MAC Address Lookup
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United Kingdom MAC address blocks

The IEEE registry carries 1626 blocks with registration addresses in United Kingdom, together 13.8 billion addresses across 1346 organizations.

Organization Blocks Addresses First registered
SKY UK LIMITED40671 million16 Oct 2006
3COM EUROPE LTD12201 million22 Apr 1998
3Com Ltd11185 million5 Jun 2002
Cambium Networks Limited9151 million23 Nov 2000
Raspberry Pi (Trading) Ltd10135 million20 Mar 2019
ADVA Optical Networking Ltd.7117 million22 Apr 1998
Dyson Limited467.1 million12 Mar 2014
Madge Ltd.467.1 million22 Apr 1998
Nothing Technology Limited467.1 million22 Jan 2021
Sophos Ltd467.1 million5 Dec 2006
Adtran Inc350.3 million2 Feb 2012
EDMI Europe Ltd350.3 million24 Oct 2014
CARDIAC RECORDERS, INC.233.6 million8 Sep 2000
Connected Home233.6 million4 Feb 2017
DATA RECALL LTD.233.6 million8 Sep 2000
DisplayLink (UK) Ltd233.6 million17 Mar 2004
Flextronics International233.6 million18 Jun 2008
Frontier Silicon Ltd233.6 million18 Jun 2008
Green Energy Options Ltd233.6 million6 Nov 2010
HME Clear-Com LTD.233.6 million22 Apr 1998
LOGIC REPLACEMENT TECH. LTD.233.6 million8 Sep 2000
NCTech Ltd233.6 million6 Mar 2012
Paxton Access Ltd233.6 million3 Dec 2002
Snell233.6 million17 Apr 2001
Ultra Electronics Command & Control Systems233.6 million22 Apr 1998
Apption Labs Limited217.8 million3 Apr 2016
CGI IT UK LIMITED217.8 million5 Feb 2019
Infinity Electronics Ltd217.8 million3 Jul 2025
Saab Seaeye Ltd217.8 million10 Dec 2022
BAE Systems316.8 million28 Aug 2016
Leonardo UK Ltd316.8 million22 Apr 1998
Ace Axis Limited216.8 million30 Jul 2008
BitBox Ltd216.8 million30 Jul 2008
Blu Wireless Technology Ltd216.8 million8 Mar 2015
Calibre UK LTD216.8 million30 Jul 2008
CAMBRIDGE CONSULTANTS LTD216.8 million14 Jul 2006
Cello Electronics (UK) Ltd216.8 million25 Sep 2010
Concept Pro Surveillance216.8 million5 Apr 2025
Crystal Vision Ltd216.8 million30 Jul 2008
George Wilson Industries Ltd216.8 million25 Sep 2016
Leo Bodnar Electronics Ltd216.8 million20 Mar 2016
Linn Products Ltd216.8 million30 Jul 2008
Lumacron Technology Ltd.216.8 million22 Jan 2017
myenergi Ltd216.8 million19 Sep 2020
Protec Fire Detection plc216.8 million13 Jun 2006
Rako Controls Ltd216.8 million15 Apr 2018
Salience Labs216.8 million5 Sep 2025
Sonifex Ltd216.8 million30 Jul 2008
Telecom FM216.8 million30 Jul 2008
Thales UK Limited216.8 million1 Feb 2009
Ultra Electronics Sonar System Division216.8 million9 Jul 2013
Vesper Technologies216.8 million7 Jun 2024
WyreStorm Technologies Ltd216.8 million15 Jun 2014
Y-cam Solutions Ltd216.8 million1 Apr 2012
2 Save Energy Ltd116.8 million18 Dec 2010
3 Greens Aviation Limited116.8 million30 Jul 2008
3view Ltd116.8 million18 Jun 2010
3Way Networks Ltd116.8 million5 Dec 2006
802 Global116.8 million24 Jul 2004
802automation Limited116.8 million8 Apr 2007
8086 Consultancy116.8 million18 Jun 2008
A & R Cambridge116.8 million20 Feb 2007
A. W. Communication Systems Ltd116.8 million9 Aug 2005
Abicom International116.8 million6 Jan 2012
Access Devices Limited116.8 million24 Oct 2001
Accessia Technology Ltd.116.8 million16 Sep 2022
ACORN COMPUTERS LIMITED116.8 million22 Apr 1998
Action Imaging Solutions116.8 million5 Jun 2002
ACTIVE IMAGING PLC116.8 million22 Apr 1998
Active Silicon Ltd116.8 million17 Apr 2001
Aculab PLC116.8 million8 Sep 2000
Adam Communications Systems Int Ltd116.8 million18 Aug 2007
Adder Technology Limited116.8 million23 Jan 2004
Advanced Micro Peripherals116.8 million22 Sep 2009
ADVANCED TELECOMMUNICATIONS MODULES, LTD.116.8 million22 Apr 1998
Advantage Six Ltd116.8 million8 Apr 2006
Adventiq Ltd.116.8 million31 Dec 2007
Aegate Ltd116.8 million4 Nov 2005
AFE COMPUTERS LTD.116.8 million8 Sep 2000
Agatel Ltd116.8 million14 Sep 2021
Airspan Communications, Ltd.116.8 million8 Sep 2000
Aker Subsea Ltd116.8 million16 Dec 2012
Alcatel-Lucent Telecom Limited116.8 million28 Jan 2012
ALGORITHMICS LTD.116.8 million8 Sep 2000
Alpha Data Parallel Systems, Ltd.116.8 million8 Sep 2000
AMG Systems Ltd.116.8 million3 Sep 2014
Amino Communications Ltd116.8 million29 Feb 2020
AMS NEVE LTD116.8 million20 Oct 2009
Amscreen Group Ltd116.8 million12 Jan 2012
Amulet Hotkey116.8 million13 Apr 2006
Anakreon UK LLP116.8 million1 Mar 2013
Analogue & Micro Ltd116.8 million25 Jun 2007
ANITE TELECOMS116.8 million8 Sep 2000
Anritsu, Ltd.116.8 million8 Sep 2000
Antare Technology Ltd116.8 million24 Oct 2025
ANTLOW COMMUNICATIONS, LTD.116.8 million22 Apr 1998
APD Communications Ltd116.8 million6 Mar 2006
Apollo Fire Detectors Ltd116.8 million1 Mar 2007
Application Solutions (Electronics and Vision) Ltd116.8 million21 Oct 2009
Apption Labs Ltd116.8 million12 Jan 2024
APRICOT COMPUTERS, LTD116.8 million22 Apr 1998
Arcade Communications Ltd.116.8 million5 Sep 2013
ARM116.8 million8 Sep 2000
Arm Ltd116.8 million7 May 2026
ARRAY TECHNOLOGY LTD.116.8 million22 Apr 1998
Artimi Ltd116.8 million17 Feb 2005
Artistic Licence Engineering Ltd116.8 million4 Jun 2001
ask-technologies.com116.8 million8 Sep 2000
ASTON ELECTRONIC DESIGNS LTD.116.8 million8 Sep 2000
AT & T Laboratories - Cambridge Ltd116.8 million24 Oct 2001
Atlas Elektronik UK Limited116.8 million3 Jun 2010
ATOMWIDE LTD.116.8 million8 Sep 2000
Audio Partnership116.8 million20 Feb 2008
Audiotonix Group Limited116.8 million24 Jan 2001
Audoo Limited (UK)116.8 million23 May 2021
Autocom Products Ltd116.8 million17 Dec 2006
Ava Security Limited116.8 million31 Jul 2019
Avaya ECS Ltd116.8 million22 Apr 1998
AVIRE Trading Limited116.8 million14 May 2024
AVOLITES LTD.116.8 million26 Oct 2004
Avtex Ltd116.8 million26 Apr 2009
Axell Wireless Limited116.8 million22 May 2005
Axona Limited116.8 million9 Nov 2008
B&W Group LTD116.8 million1 May 2010
Bamboo Systems Group116.8 million4 Feb 2017
BARRON MCCANN LTD.116.8 million22 Apr 1998
BAXALL SECURITY LTD.116.8 million8 Sep 2000
Bayan Audio116.8 million13 Sep 2012
Baydel Ltd.116.8 million17 Apr 2001
Beech Hill Electronics116.8 million25 Sep 2007
Bel Fuse Europe Ltd.,UK116.8 million23 Jul 2003
BERAN INSTRUMENTS LTD.116.8 million8 Sep 2000
BICC INFORMATION SYSTEMS & SVC116.8 million8 Sep 2000
Biodata Ltd116.8 million5 Mar 2010
BITSWITCH LTD.116.8 million8 Sep 2000
Blue Chip Technology Ltd116.8 million22 Apr 1998
BlueArc UK Ltd116.8 million8 Sep 2000
Boosty116.8 million23 Apr 2014
Boxx TV Ltd116.8 million27 Jan 2013
Brain Boxes Limited116.8 million3 Aug 2002
BRAND COMMUNICATIONS, LTD.116.8 million22 Apr 1998
Brandywine Communications UK Ltd.116.8 million22 Apr 1998
Bridgeworks Ltd.116.8 million9 Nov 2000
British Federal Ltd.116.8 million8 Sep 2000
British Telecommunications plc116.8 million8 Sep 2000
BROWN'S OPERATING SYSTEM SERVICES, LTD.116.8 million22 Apr 1998
Brunel University116.8 million6 Dec 2011
Building Block Video116.8 million22 Dec 2011
BVM LIMITED116.8 million22 Apr 1998
BW Broadcast116.8 million20 Oct 2012
Bytemark Computer Consulting Ltd116.8 million19 Sep 2012
C-Matic Systems Ltd116.8 million8 Oct 2008
CableFree Networks Limited116.8 million8 Jul 2021
Cabletime Limited116.8 million24 Oct 2001
Cadac Holdings Ltd116.8 million8 Feb 2011
Caldero Limited116.8 million25 May 2017
CALISTA116.8 million22 Apr 1998
Calrec Audio Ltd116.8 million8 Apr 2003
Cambridge Broadband Networks Group116.8 million4 Jun 2001
Cambridge Executive Limited116.8 million14 Dec 2011
Cambridge Medical Robotics Ltd116.8 million16 Jan 2016
Cambridge Silicon Radio116.8 million8 Sep 2000
Cambridge Visual Networks Ltd116.8 million18 Jun 2008
Cambrionix Ltd116.8 million18 Feb 2015
CAME UK116.8 million19 Dec 2023
Camrivox Ltd.116.8 million15 Mar 2006
CAMTEC ELECTRONICS LTD.116.8 million8 Sep 2000
CAPITOL BUSINESS SYSTEMS, LTD.116.8 million8 Sep 2000
CARADON TREND LTD.116.8 million22 Apr 1998
Carallon Limited116.8 million17 Feb 2005
Cashmaster International Limited116.8 million22 Aug 2009
Castle Technology Ltd116.8 million29 Mar 2002
CCC Network Systems Group Ltd.116.8 million8 Sep 2000
cellXica ltd116.8 million20 Oct 2023
CELOXICA Ltd116.8 million16 May 2013
Chameleon Technology (UK) Limited116.8 million29 Nov 2011
CHASE COMMUNICATIONS116.8 million8 Sep 2000
CHASE RESEARCH LTD.116.8 million8 Sep 2000
CHECKOUT COMPUTER SYSTEMS, LTD116.8 million8 Sep 2000
Chelton Limited116.8 million22 Oct 2007
CHEVIN SOFTWARE ENG. LTD.116.8 million22 Apr 1998
Chiron Technology Ltd116.8 million3 Jun 2004
Chubb Electronic Security Systems Ltd116.8 million13 May 2007
Cisco Systems Inc116.8 million9 Feb 2007
Citel116.8 million22 Apr 1998
Citel Technologies Ltd.116.8 million24 Oct 2001
Cloudview Limited116.8 million27 Jan 2013
Cocoon Alarm Ltd116.8 million18 Feb 2016
Codex Digital Limited116.8 million22 Apr 2015
Codian Ltd116.8 million10 Jun 2003
Cogent Defence & Security Networks,116.8 million21 Jan 2003
Cogent Healthcare Systems Ltd116.8 million12 Apr 2011
Coherent Research Limited116.8 million8 Apr 2006
COLORGRAPH LTD116.8 million22 Apr 1998
COMENDEC LTD116.8 million8 Sep 2000
CommAgility Ltd116.8 million18 Jun 2008
CommScope Inc116.8 million22 Apr 1998
COMMUNICATIONS ELECTRONICS SECURITY GROUP116.8 million22 Apr 1998
COMPACT DATA, LTD.116.8 million22 Apr 1998
Companies House to GlucoRx Technologies Ltd.116.8 million18 Oct 2019
Complementary Technologies Ltd116.8 million2 Feb 2001
Complete Media Systems116.8 million1 Oct 2005
Compulogic Limited116.8 million8 Apr 2003
COMPUTER OPERATIONAL116.8 million22 Apr 1998
CompXs Limited116.8 million8 Sep 2003
Comtrol Europe, Ltd.116.8 million8 Sep 2000
Concurrent Technologies Ltd.116.8 million22 Apr 1998
Consort Controls Ltd116.8 million28 Jan 2012
Consultronics Europe Ltd116.8 million7 Apr 2005
Control Techniques116.8 million25 Apr 2003
Corintech Ltd.116.8 million27 Aug 2011
Cosworth Electronics Ltd116.8 million22 Apr 1998
COUNTER SOLUTIONS LTD.116.8 million22 Apr 1998
CRAY COMMUNICATIONS, LTD.116.8 million22 Apr 1998
CRFS Limited116.8 million22 Oct 2007
CRISTIE ELECTRONICS LTD.116.8 million22 Apr 1998
Crompton Instruments116.8 million16 Oct 2019
CSE-Servelec Limited116.8 million12 Jun 2012
CSL Dualcom Ltd116.8 million24 Feb 2021
Curvalux116.8 million8 Jun 2021
Custom Micro Products, Ltd.116.8 million8 Sep 2000
D-TACQ Solutions Ltd116.8 million18 Jun 2008
DACOLL LIMITED116.8 million22 Apr 1998
DATA & CONTROL EQUIPMENT LTD.116.8 million8 Sep 2000
DATA & INFORMATION TECHNOLOGY116.8 million22 Apr 1998
Data Track Technology PLC116.8 million8 Sep 2000
DATAHOUSE INFORMATION SYSTEMS116.8 million22 Apr 1998
Datasound Laboratories Ltd116.8 million4 Jun 2001
Datel Electronics116.8 million3 Dec 2002
DATONG ELECTRONICS LTD.116.8 million8 Sep 2000
Dawevision Ltd116.8 million13 Jun 2006
DEDICATED MICROCOMPUTERS116.8 million8 Sep 2000
Deep Sea Electronics Ltd116.8 million22 Aug 2009
Deltenna Ltd116.8 million10 Apr 2010
Design Design Technology Ltd116.8 million18 Jun 2008
Devlin Electronics Limited116.8 million28 Mar 2012
DEXDYNE, LTD.116.8 million8 Sep 2000
DIAMOND SALES LIMITED116.8 million8 Sep 2000
Digiquest Electronics LTD116.8 million22 Nov 2013
Digital Barriers Advanced Technologies116.8 million9 Nov 2008
Digital Projection Ltd116.8 million23 Sep 2010
DIGITAL SERVICES, LTD.116.8 million22 Apr 1998
Disruptive Ltd116.8 million6 Aug 2011
Domino UK Ltd116.8 million8 Jun 2016
Domo Ltd116.8 million3 Jun 2004
Domo Tactical Communications116.8 million11 Mar 2021
Dot Origin Ltd116.8 million28 May 2026
Double D Electronics Ltd116.8 million21 Jan 2003
DTL Broadcast Ltd116.8 million11 Feb 2007
DU PONT PIXEL SYSTEMS .116.8 million8 Sep 2000
Dycon Limited116.8 million28 Sep 2010
Dynamix Promotions Limited116.8 million23 Dec 2005
Dynamode Group116.8 million9 Feb 2010
E-Domus International Limited116.8 million28 Jan 2010
E-T-A Circuit Breakers Ltd116.8 million1 Aug 2020
e2v technologies (UK) ltd.116.8 million13 Jun 2006
EasySYNC Ltd.116.8 million23 Feb 2011
ECM Systems Ltd116.8 million20 Dec 2004
Edwards Ltd.116.8 million7 Feb 2003
ELECTROSONIC LTD.116.8 million22 Apr 1998
ELONEX PLC116.8 million22 Apr 1998
Emizon Networks Limited116.8 million16 May 2014
EMPEG Ltd116.8 million8 Sep 2000
EMS Satcom116.8 million3 Jun 2004
Endeleo Limited116.8 million23 Jan 2004
Enecsys Ltd116.8 million11 Dec 2009
Enigma Diagnostics Limited116.8 million17 Dec 2010
EQUIINET LTD.116.8 million8 Sep 2000
Erskine Systems Ltd116.8 million23 Dec 2001
Eseye Design Ltd116.8 million8 Sep 2000
essensys plc116.8 million9 Jan 2022
ETL Systems Ltd116.8 million31 Dec 2007
Eurotech S.p.A.116.8 million8 Sep 2000
EUROTHERM LIMITED116.8 million3 Aug 2002
Eyeheight Ltd.116.8 million18 Aug 2007
Ezurio Ltd116.8 million29 Nov 2005
FERRANTI COMPUTER SYS. LIMITED116.8 million8 Sep 2000
FFEI Ltd.116.8 million12 Dec 2006
Filtronic plc116.8 million21 Dec 2003
Finsoft Ltd116.8 million20 Feb 2007
FireBrick Limited116.8 million9 Nov 2000
FireBrick Ltd116.8 million20 Jun 2023
FIVEMERE, LTD.116.8 million8 Sep 2000
Flashbay Limited116.8 million4 Jun 2014
Focusrite Audio Engineering Limited116.8 million11 Dec 2004
Fortx116.8 million14 Aug 2024
FOURTHTRACK SYSTEMS116.8 million22 Apr 1998
FOXTECH116.8 million28 Nov 2017
FRONTIER SMART TECHNOLOGIES LTD116.8 million4 Mar 2022
Fujitsu Services Ltd116.8 million22 Apr 1998
FUNASSET LIMITED116.8 million22 Apr 1998
Fusion Digital Technology116.8 million16 Nov 2004
FYLDE MICRO LTD116.8 million18 Mar 2011
G24 Power Limited116.8 million24 Jul 2015
GAI-Tronics116.8 million15 Mar 2006
Galleon Systems116.8 million3 Jun 2011
Gardasoft VisionLimited116.8 million30 Jun 2011
GDX Technologies Ltd.116.8 million13 Jun 2006
GE Energy116.8 million19 Nov 2011
GEC AVERY, LTD.116.8 million22 Apr 1998
General Dynamics United Kingdom Ltd116.8 million22 May 2005
General Engine Management Systems Ltd.116.8 million3 Aug 2013
GENRAD LTD.116.8 million8 Sep 2000
George Robotics Limited116.8 million23 Sep 2018
GEW (EC) Ltd116.8 million26 Jun 2026
Gigawave LTD116.8 million23 Nov 2010
Gizmondo Europe Ltd116.8 million10 Oct 2004
Glensound Electronics Ltd116.8 million18 Jun 2008
Global Reach Technology116.8 million27 Apr 2019
GlobalReach Technology EMEA Ltd116.8 million16 Mar 2026
GN Netcom Ltd.116.8 million24 Oct 2001
Gnodal Ltd116.8 million18 Feb 2010
Grandeye Ltd116.8 million25 Apr 2004
Group 4 Technology Ltd116.8 million9 Sep 2005
Groupe Atlantic116.8 million13 Jun 2019
GSM-SYNTEL, LTD.116.8 million22 Apr 1998
GWD Media Limited116.8 million18 Jun 2008
H. BOLLMANN MANUFACTURERS, LTD116.8 million22 Apr 1998
H+S Polatis Ltd116.8 million27 Jun 2017
Hanover Displays Limited116.8 million15 Aug 2012
Hay Systems Ltd116.8 million15 Oct 2009
HERO SYSTEMS, LTD.116.8 million22 Apr 1998
HIGH LEVEL HARDWARE116.8 million8 Sep 2000
Hive116.8 million13 May 2007
Hive Internet, Ltd.116.8 million4 Dec 2000
HUGH SYMONS CONCEPT Technologies Ltd.116.8 million22 Apr 1998
Huntleigh Healthcare116.8 million7 Jun 2005
HW Communications Ltd116.8 million12 Apr 2016
Hypervolt Ltd116.8 million14 Jan 2022
HYTEC ELECTRONICS LTD.116.8 million22 Apr 1998
I-CUBED LIMITED116.8 million22 Apr 1998
Ibridge Networks & Communications Ltd.116.8 million1 Mar 2009
ImageCom Limited116.8 million17 Apr 2001
Imagination Technologies Ltd116.8 million16 Oct 2006
Imerge Ltd116.8 million5 Jun 2002
IMI Norgren Ltd116.8 million3 Jun 2004
In Home Displays Ltd116.8 million27 Mar 2013
INDIGO ACTIVE VISION SYSTEMS LIMITED116.8 million8 Sep 2000
INFINITE NETWORKS LTD.116.8 million22 Apr 1998
INFORMATION TECHNOLOGY LIMITED116.8 million8 Sep 2000
INFOTEC LTD116.8 million23 Jul 2003
Infrared Integrated Systems Ltd116.8 million18 Jun 2008
Inmarsat116.8 million21 Jan 2012
INQ Mobile Limited116.8 million8 Mar 2011
INSTEM COMPUTER SYSTEMS, LTD.116.8 million22 Apr 1998
INTEGRATED BUSINESS NETWORKS116.8 million22 Apr 1998
INTEGRATED MICRO PRODUCTS LTD116.8 million22 Apr 1998
Integrated System Technologies Ltd116.8 million24 Oct 2012
Intelligent Distributed Controls Ltd116.8 million11 Jan 2007
Intellimedia Systems Ltd116.8 million14 Aug 2012
Intellitect Water Ltd116.8 million8 Apr 2007
INTERCEPT SERVICES LIMITED116.8 million4 Oct 2018
INTERLINK COMMUNICATIONS LTD.116.8 million22 Apr 1998
International Computers, Ltd116.8 million22 Apr 1998
Invacom Ltd116.8 million3 Aug 2002
Invensys Controls UK Limited116.8 million1 May 2015
Iosoft Ltd.116.8 million14 Oct 2002
IoT Tech Limited116.8 million9 Dec 2012
IP Control Systems Ltd.116.8 million16 Sep 2005
IPaXiom Networks116.8 million8 Oct 2008
ISDN Communications, Ltd.116.8 million8 Sep 2000
Isotek Electronics Ltd116.8 million8 Oct 2008
IT-IS International116.8 million1 May 2013
J & S Marine Ltd.116.8 million24 Oct 2001
JAROGATE LTD.116.8 million8 Sep 2000
K-NET LTD.116.8 million22 Apr 1998
KATANA PRODUCTS116.8 million22 Apr 1998
Kelman Limited116.8 million15 Mar 2006
Kelvin Hughes Ltd116.8 million8 Apr 2007
Key Radio Systems Limited116.8 million2 Jun 2005
KeyMed Ltd116.8 million17 Mar 2004
Kinetic Avionics Limited116.8 million6 Jul 2011
Kingspan Environmental Ltd116.8 million8 Mar 2011
KNX LTD.116.8 million22 Apr 1998
LAIIER116.8 million20 Oct 2023
LANergy Ltd.116.8 million24 Oct 2001
Lantronix116.8 million25 Apr 2003
Lascar Electronics Ltd116.8 million14 Jan 2008
Lee-Dickens Ltd116.8 million8 Jun 2010
Leica Microsystems116.8 million13 May 2007
Life Racing Ltd116.8 million7 Feb 2003
LightwaveRF Technology Ltd116.8 million20 Aug 2010
Linea Research Ltd116.8 million30 Mar 2012
Lismore Instruments Limited116.8 million29 Nov 2006
Litton Marine Systems B.V.116.8 million8 Sep 2000
LM Technologies Ltd116.8 million4 Aug 2015
LocSoft Limited116.8 million8 Sep 2000
Logic3 plc116.8 million10 Feb 2013
Logically Us Ltd116.8 million3 May 2025
LUCIDATA LTD.116.8 million22 Apr 1998
Magicard Ltd116.8 million13 Oct 2005
Malvern Instruments Ltd116.8 million6 Dec 2014
Manhattan TV Ltd116.8 million31 Dec 2007
Mantis Deposition116.8 million6 Oct 2012
MARCONI ELECTRONICS LTD.116.8 million8 Sep 2000
Marconi plc116.8 million8 Sep 2000
MAVENIR IPA UK LTD116.8 million8 Sep 2000
Maxeler Technologies Ltd.116.8 million28 Apr 2011
MBM Technology Ltd.116.8 million4 Jun 2001
MCDONNELL DOUGLAS COMPUTER SYS116.8 million8 Sep 2000
Measurement Devices Ltd116.8 million8 Apr 2007
Mediplan Limited116.8 million1 Oct 2013
MEIKO116.8 million8 Sep 2000
Meridian Audio Limited116.8 million21 Dec 2008
METIER MANAGEMENT SYSTEMS LTD.116.8 million8 Sep 2000
METRODATA LTD.116.8 million22 Apr 1998
MICROBUS DESIGNS LTD.116.8 million22 Apr 1998
MICROGNOSIS INTERNATIONAL116.8 million8 Sep 2000
MICROTECH ELECTRONICS LIMITED116.8 million22 Apr 1998
MICROTROL LIMITED116.8 million21 Dec 2003
Midas Klark Teknik Ltd116.8 million28 Jan 2010
Mini-Cam Limited116.8 million8 Jul 2017
MISYS FINANCIAL SYSTEMS, LTD.116.8 million22 Apr 1998
Miura Systems Ltd.116.8 million6 Mar 2018
Mode Lighting (UK ) Ltd.116.8 million13 May 2007
Monitoring Technologies Limited116.8 million15 Jun 2004
MRG SYSTEMS, LTD.116.8 million8 Sep 2000
MST CORPORATION116.8 million16 Feb 2011
MTL Instruments PLC116.8 million30 Jan 2002
Multitone Electronics PLC116.8 million14 Dec 2001
Nallatech Ltd116.8 million8 Apr 2003
Nautronix Limited116.8 million17 Aug 2013
NDS Limited116.8 million8 Sep 2003
Nebra Ltd116.8 million1 Aug 2021
NET TEK AND KARLNET, INC.116.8 million22 Apr 1998
NETCOMM LIMITED116.8 million8 Sep 2000
NetEngines Ltd.116.8 million24 Oct 2001
Neterix Ltd116.8 million26 Sep 2014
Network Critical Solutions Ltd116.8 million25 Sep 2007
NETWORK DESIGNERS, LTD.116.8 million8 Sep 2000
NETWORK PERIPHERALS, LTD.116.8 million8 Sep 2000
Neul Ltd116.8 million21 May 2011
Newport Networks116.8 million29 Mar 2002
Nexsan Technologies, Ltd.116.8 million9 Nov 2000
NextGen Venturi LTD116.8 million13 May 2007
NEXUS ELECTRONICS116.8 million8 Sep 2000
NineTiles Networks, Ltd.116.8 million22 Apr 1998
NOKIA WIRELESS BUSINESS COMMUN116.8 million22 Apr 1998
Norcott116.8 million19 Jul 2008
Northover Solutions Limited116.8 million23 Jan 2004
Northstar Engineering Ltd.116.8 million2 Feb 2001
NovaPal Ltd116.8 million9 Sep 2002
NOVUS NETWORKS LTD116.8 million22 Apr 1998
NST Audio Ltd116.8 million21 Dec 2018
OAK SOLUTIONS, LTD.116.8 million22 Apr 1998
Omitec Instrumentation Ltd.116.8 million24 Jan 2001
Omneality Ltd.116.8 million6 Dec 2009
Omni-ID116.8 million9 Oct 2021
Omnima Limited116.8 million17 Mar 2012
Omnisense Ltd116.8 million21 Jan 2012
ONE Investment Group Limited116.8 million8 Apr 2003
ONELAN LTD.116.8 million22 Apr 1998
Onzo Ltd116.8 million14 Jan 2011
Optimal Audio Ltd116.8 million11 Sep 2020
Optos Plc116.8 million14 Apr 2008
Otus Technologies Ltd116.8 million29 Aug 2009
OVATION SYSTEMS LTD.116.8 million22 Apr 1998
Oxford Diagnostics Ltd.116.8 million29 Oct 2005
OXFORD INSTRUMENTS116.8 million22 Apr 1998
OXFORD METRICS LIMITED116.8 million22 Apr 1998
OXFORD SEMICONDUCTOR LTD.116.8 million8 Sep 2000
OXTEL, LTD.116.8 million8 Sep 2000
PAC International Ltd116.8 million29 Apr 2003
Packet Vision Ltd116.8 million13 May 2007
Paradise Datacom Ltd.116.8 million25 Apr 2004
Park Air Systems Ltd116.8 million24 Aug 2005
Parker Hannifin Manufacturing (UK) Ltd116.8 million13 May 2011
PassivSystems Ltd116.8 million11 Sep 2009
PAV Electronics Limited116.8 million25 Sep 2007
PAXDATA NETWORKS LTD.116.8 million8 Sep 2000
PELCOMBE GROUP LTD.116.8 million22 Apr 1998
Petards Ltd116.8 million4 Jun 2001
Phabrix Limited116.8 million14 Jan 2008
PHILIPS ELECTRONICS UK LTD116.8 million20 Nov 2007
Phorm116.8 million6 Aug 2010
Pico Technology116.8 million20 Apr 2010
Picochip Ltd116.8 million19 Sep 2005
PIRELLI FOCOM NETWORKS116.8 million8 Sep 2000
PIXEL POWER LTD.116.8 million22 Apr 1998
PlayFusion Limited116.8 million14 Sep 2016
Plexus Corp (UK) Ltd116.8 million23 Jul 2003
Power Ethernet116.8 million23 Aug 2011
PowerChord Group Limited116.8 million29 Jul 2017
Primagraphics Limited116.8 million25 Apr 2003
Prism Media Products Limited116.8 million15 Jun 2004
Promethean Limited116.8 million23 Feb 2010
ProSys Development Services116.8 million23 Feb 2012
ProVision Communications116.8 million30 Jul 2008
PSION DACOM PLC.116.8 million22 Apr 1998
Pulse Eight Limited116.8 million24 Aug 2005
Purple WiFi Limited116.8 million13 Nov 2025
Pyronix Ltd116.8 million16 Oct 2006
Q Electronics Ltd116.8 million16 Dec 2010
QinetiQ Ltd116.8 million24 Jul 2004
Qstik116.8 million14 Jan 2006
Quadrics Ltd116.8 million29 Nov 2005
Quadriga UK116.8 million23 Nov 2000
Qualitrol116.8 million25 Sep 2006
Quantel Ltd116.8 million22 Apr 1998
QUESTECH, LTD.116.8 million22 Apr 1998
QUICK CONTROLS LTD.116.8 million22 Apr 1998
QUIN SYSTEMS LTD116.8 million22 Apr 1998
Quixant Ltd116.8 million27 May 2005
Radioscape PLC116.8 million18 Aug 2007
RADSTONE TECHNOLOGY116.8 million22 Apr 1998
Raster Vision Ltd116.8 million15 Apr 2010
Raymarine UK Ltd116.8 million24 Jul 2004
Red Embedded Design Limited116.8 million29 Sep 2009
Red-M Products Limited116.8 million5 Jun 2002
Redwood Technologies LTD116.8 million1 Jun 2003
REFLEX MANUFACTURING SYSTEMS116.8 million8 Sep 2000
Regenersis (Glenrothes) Ltd116.8 million23 May 2012
Remsdaq Limited116.8 million21 Dec 2003
Renesas Electronics Operations Services Limited116.8 million7 Feb 2026
Renishaw PLC116.8 million4 Jun 2001
Rentokil Initial116.8 million27 Jul 2024
RESEARCH MACHINES116.8 million8 Sep 2000
Resource Data Management Ltd116.8 million4 Jun 2001
REUTERS HOLDINGS PLC116.8 million22 Apr 1998
RICARDO TEST AUTOMATION LTD.116.8 million22 Apr 1998
Rinicom Holdings116.8 million14 Feb 2013
RISC DEVELOPMENTS LTD.116.8 million22 Apr 1998
RiscStation Ltd.116.8 million8 Sep 2000
Risk Technology Ltd116.8 million20 Feb 2014
RIVA ELECTRONICS116.8 million22 Apr 1998
Roberts Radio limited116.8 million9 Feb 2007
ROLI Ltd.116.8 million5 Jun 2015
ROTORK INSTRUMENTS, LTD.116.8 million8 Sep 2000
Rowley Associates Limited116.8 million4 May 2012
RSD Communications Ltd116.8 million9 Feb 2008
Ruroc LTD116.8 million4 Apr 2019
RyCo Electronic Systems Limited116.8 million17 Feb 2005
Sabre Technology (Hull) Ltd116.8 million12 Jul 2011
Samsung Electronics (UK) Ltd116.8 million28 May 2017
Sanyo Industries (UK) Limited116.8 million29 Mar 2002
Sarian Systems, Ltd.116.8 million23 Nov 2000
SATCHWELL CONTROL SYSTEMS, LTD116.8 million8 Sep 2000
SATELCOM (UK) LTD116.8 million8 Sep 2000
Satmap Systems Ltd116.8 million13 Apr 2013
Scannex Electronics Ltd.116.8 million8 Sep 2000
SCI Innovations Ltd116.8 million4 Aug 2011
SCORPION LOGIC, LTD.116.8 million22 Apr 1998
SCREEN SUBTITLING SYSTEMS, LTD116.8 million22 Apr 1998
Seamap (UK) Ltd116.8 million19 Aug 2009
Secure Electrans Ltd116.8 million14 Jan 2010
Secure Meters (UK) Limited116.8 million21 Aug 2010
SEEL LTD.116.8 million22 Apr 1998
Segnet Ltd.116.8 million13 May 2007
Sendo Ltd116.8 million17 Feb 2005
Senient Systems LTD116.8 million4 Oct 2016
Senscient Ltd116.8 million21 Jun 2009
Senselogix Ltd116.8 million8 Dec 2010
Sensium Healthcare Limited116.8 million5 Sep 2012
Sepura Limited116.8 million2 Nov 2007
Sertel Electronics UK Ltd116.8 million31 Jan 2014
SiConnect116.8 million9 Nov 2000
SIEMENS AG, Digital Factory, Motion Control System116.8 million1 Sep 2017
Siemens Healthcare Diagnostics Manufacturing Ltd116.8 million13 Jun 2006
Siemens Mobility Limited116.8 million22 Aug 2012
Sienda Multimedia Ltd116.8 million1 Apr 2025
Sierra Wireless, ULC116.8 million6 Jan 2018
SIGMEX LTD.116.8 million8 Sep 2000
Silverflare Ltd.116.8 million23 Apr 2013
SilverNet Ltd116.8 million7 Aug 2012
Simm Tronic Limited116.8 million23 Apr 2010
Simoco Ltd.116.8 million16 Oct 2006
Simple Audio Ltd116.8 million1 Mar 2011
Simtec Electronics116.8 million30 Jun 2004
Sinetica Corporation Limited116.8 million24 Oct 2001
Sintela Ltd116.8 million5 Apr 2022
Sitehop Ltd116.8 million15 Jun 2023
SITRONIK116.8 million31 May 2013
Skardin (UK) Ltd116.8 million19 Aug 2004
SKF (U.K.) Limited116.8 million8 Sep 2000
Smith Myers Communications Ltd.116.8 million11 Aug 2010
Solartron Metrology Ltd116.8 million16 Nov 2008
Sonardyne International Ltd116.8 million6 Aug 2010
SONIX COMMUNICATIONS, LTD.116.8 million22 Apr 1998
Soundcraft116.8 million3 Apr 2004
SPECTRA - TEK116.8 million22 Apr 1998
SPG Controls116.8 million7 Dec 2016
SPI Lasers Ltd116.8 million27 Jan 2011
SPIDER SYSTEMS LIMITED116.8 million22 Apr 1998
Spire Payments116.8 million9 Dec 2011
Splicecom116.8 million24 Oct 2001
STA Infinity LLP116.8 million20 Aug 2013
StarLeaf Ltd.116.8 million21 Jun 2009
Static Systems Group PLC116.8 million12 Nov 2010
STC BUSINESS SYSTEMS116.8 million8 Sep 2000
STI Ltd116.8 million5 Sep 2012
STMicroelectronics SRL116.8 million22 Apr 1998
STRAND LIGHTING LIMITED116.8 million22 Apr 1998
STRATEGY & TECHNOLOGY, LIMITED116.8 million8 Sep 2000
StreamScale Limited116.8 million23 Jan 2004
Sub10 Systems Ltd116.8 million18 Aug 2011
Switchgear and Instrumentation Ltd116.8 million29 Mar 2002
SY Electronics Ltd116.8 million13 Jul 2023
SYMBIONICS, LTD.116.8 million8 Sep 2000
Synaptec116.8 million17 Mar 2021
Synectics Systems Limited116.8 million24 Oct 2001
SYNERGY (UK) LTD.116.8 million22 Apr 1998
Synoptics Limited116.8 million24 Oct 2001
Syphan Technologies Ltd116.8 million1 Mar 2009
System Loco Ltd116.8 million14 Jul 2026
Systembase Limited116.8 million18 Jun 2013
t+ Medical Ltd116.8 million25 Feb 2005
t-mac Technologies Ltd116.8 million2 Aug 2012
TADPOLE TECHNOLOGY PLC116.8 million8 Sep 2000
TAG ELECTRONIC SYSTEMS116.8 million8 Sep 2000
Tattile SRL116.8 million8 Sep 2000
TDSi116.8 million16 Nov 2011
Team Simoco Ltd116.8 million8 Sep 2003
TECHNOLOGY CONCEPTS, LTD.116.8 million22 Apr 1998
Technomate Ltd116.8 million9 Jul 2015
Techsan Electronics Co., Ltd.116.8 million23 Nov 2000
Tecmobile (International) Ltd.116.8 million10 Aug 2012
Tecton Ltd116.8 million3 Aug 2002
Tedipay UK Ltd116.8 million12 Dec 2015
TeleAdapt Ltd116.8 million17 Dec 2009
Telegesis116.8 million18 Jun 2008
Telesoft Technologies Ltd.116.8 million8 Sep 2000
TELSIS LIMITED116.8 million8 Sep 2000
TELSPEC LTD116.8 million8 Sep 2000
TELTREND LTD.116.8 million22 Apr 1998
Terrier SC Ltd116.8 million21 Jun 2009
Texcel Technology PLC116.8 million8 Sep 2000
Thales Avionics Ltd116.8 million18 Jun 2008
Thales Contact Solutions Ltd.116.8 million22 Apr 1998
Thales e-Security Ltd.116.8 million8 Sep 2000
The Goldman Sachs Group, Inc.116.8 million16 Sep 2009
The Open Group116.8 million8 Apr 2003
THE SAGE GROUP PLC116.8 million22 Apr 1998
The Tintometer Ltd116.8 million20 Feb 2007
The Wandsworth Group Ltd116.8 million13 May 2007
Third Millennium Systems Ltd.116.8 million30 Aug 2017
ThruVision Ltd116.8 million6 Mar 2006
Timespace Technology116.8 million17 Mar 2004
Timeware Ltd.116.8 million8 Sep 2000
Tiscali UK Ltd116.8 million21 Dec 2003
Titan Products Ltd.116.8 million14 May 2024
TomTom Software Ltd116.8 million2 Oct 2013
TORUS SYSTEMS LIMITED116.8 million8 Sep 2000
Touchstar ATC Limited116.8 million22 Apr 1998
Trackflow Ltd.116.8 million4 Nov 2005
Traka plc116.8 million29 Aug 2013
Trakm8 Ltd116.8 million6 Mar 2021
TRANSMITTON LTD.116.8 million22 Apr 1998
Trend Communications, Ltd.116.8 million8 Sep 2000
TRENDVIEW RECORDERS LTD.116.8 million8 Sep 2000
Trig Avionics Limited116.8 million16 Nov 2022
Trilogy Communications Ltd116.8 million30 Jan 2002
Trio Motion Technology Ltd116.8 million31 Dec 2007
TRL TECHNOLOGY, LTD.116.8 million22 Apr 1998
Trust Power Ltd.116.8 million15 Feb 2011
TSL COMMUNICATIONS LTD.116.8 million8 Sep 2000
TSL PPL116.8 million17 Aug 2012
TV One Ltd116.8 million29 Nov 2005
U4EA Technologies Ltd116.8 million12 Dec 2006
Ubinetics Limited116.8 million5 Jun 2002
Ubisense Limited116.8 million24 Jul 2004
UK Grid Solutions Limited116.8 million8 Sep 2000
UK Grid Solutions Ltd116.8 million23 Feb 2011
Ultra Electronics Electrics116.8 million25 Sep 2010
Unilever R&D116.8 million13 Jun 2006
United Technologists Europe Limited116.8 million21 Dec 2003
V V S Limited116.8 million3 Aug 2002
Velocity Semiconductor116.8 million29 Mar 2002
Vertu Corporation Limited116.8 million31 Aug 2012
VERTU INTERNATIONAL CORPORATION LIMITED116.8 million12 Apr 2018
VG LABORATORY SYSTEMS LTD116.8 million8 Sep 2000
Vibration Technology Limited116.8 million29 Oct 2005
VIDECOM LIMITED116.8 million8 Sep 2000
Viogem Limited116.8 million3 May 2012
VIRTUAL ACCESS, LTD.116.8 million22 Apr 1998
Visimetrics (UK) Ltd116.8 million14 Oct 2002
VITEC116.8 million13 Jun 2006
Vitec Group, Camera Dynamics Ltd116.8 million23 Jan 2010
Vodafone UK116.8 million13 Apr 2010
voestalpine Signaling UK Ltd.116.8 million30 Nov 2011
VOLAMP, LTD.116.8 million22 Apr 1998
Voxent Systems Ltd.116.8 million8 Sep 2000
Vutrix Technologies Ltd116.8 million23 Sep 2010
Wavesight Limited116.8 million9 Nov 2000
Wayfarer Transit Systems Ltd116.8 million16 Oct 2006
WebWayOne Ltd116.8 million5 Jun 2002
West Instruments116.8 million12 Feb 2004
WHITECHAPEL COMPUTER WORKS116.8 million8 Sep 2000
WHITECROSS SYSTEMS116.8 million22 Apr 1998
Wireless CCTV Ltd116.8 million7 Sep 2018
Wireless Measurement Ltd116.8 million30 Jun 2009
WISDM LTD.116.8 million22 Apr 1998
X2 MSA Group116.8 million7 Feb 2003
XENPAK MSA Group116.8 million23 Dec 2001
XMOS Semiconductor116.8 million21 Jun 2008
XSTREAMIS PLC116.8 million8 Sep 2000
XTA Electronics Ltd116.8 million26 Jul 2013
York Instruments Ltd116.8 million23 Jun 2017
ZBD Displays Ltd116.8 million10 Sep 2010
Zenitel GB Ltd116.8 million21 Oct 2009
ZETA COMMUNICATIONS, LTD.116.8 million22 Apr 1998
Zinwave Ltd116.8 million6 Mar 2006
Zipher Ltd116.8 million23 Jan 2004
ZONAL RETAIL DATA SYSTEMS116.8 million8 Sep 2000
SureFlap Ltd32.1 million6 Aug 2017
Strongbyte Solutions Limited22.1 million6 Nov 2016
Active Research Limited41.1 million27 Mar 2016
ATG UV Technology31.1 million2 Dec 2012
Daatrics LTD31.1 million8 Jul 2018
Volumatic Limited31.1 million30 Jul 2008
Access IS21.1 million30 Jul 2008
Blake UK21.1 million21 Feb 2019
Chronos Technology Ltd.21.1 million12 Oct 2008
Clear Flow by Antiference21.1 million23 Oct 2019
COTT Electronics21.1 million21 May 2019
FX TECHNOLOGY LIMITED21.1 million1 Jul 2019
Graphcore Ltd21.1 million11 Oct 2018
Guralp Systems Limited21.1 million30 Jul 2008
HDANYWHERE21.1 million2 Oct 2016
InSync Technology Ltd21.1 million30 Jul 2008
Metrasens Limited21.1 million24 Feb 2021
Penny & Giles Aerospace Ltd21.1 million30 Jul 2008
pureLiFi Ltd21.1 million22 Feb 2015
Rheinmetall Electronics UK Ltd21.1 million15 Aug 2014
Smart Component Technologies LTD21.1 million10 Dec 2017
Thurlby Thandar Instruments LTD21.1 million29 Jun 2014
VANTAGE INTEGRATED SECURITY SOLUTIONS PVT LTD21.1 million28 Jun 2015
Veracity UK Ltd21.1 million7 Dec 2008
VirtualV Trading Limited21.1 million15 Feb 2024
Wharton Electronics Ltd21.1 million30 Jul 2008
WiFi Nation Ltd21.1 million9 Aug 2019
XOR UK Corporation Limited21.1 million10 Sep 2021
2iC-Care Ltd11 million16 Nov 2023
accesso Technology Group11 million4 Dec 2016
Advanced Diagnostics LTD11 million21 Feb 2016
Advanced Electronics Ltd11 million9 Sep 2020
ALL.SPACE Networks Ltd11 million3 Mar 2023
Amiosec Ltd11 million22 Apr 2018
Ampetronic Ltd11 million17 Jun 2018
Angee Technologies Ltd.11 million7 May 2017
AVO DEVELOPMENT LTD11 million24 Oct 2018
BAS-IP LP11 million2 Apr 2020
BGResearch11 million9 Nov 2024
Broadcast Wireless Systems Ltd11 million16 Jul 2017
BRUSH ELECTRICAL MACHINES LTD11 million31 Oct 2025
Captec Ltd11 million6 Aug 2017
CITA SMART SOLUTIONS LTD11 million16 Oct 2015
Clicks Technology Ltd11 million11 Feb 2026
CompanyDeep11 million31 Dec 2020
CRESTCHIC (UK) LIMITED11 million25 Mar 2026
Cron AI11 million18 Sep 2026
Cyber1st11 million14 Aug 2016
Cyrus Audio LTD11 million30 Sep 2022
Datapath Limited11 million16 Oct 2015
DefPower Ltd11 million7 Aug 2016
Delmatic Limited11 million8 May 2025
Destiny Automate Limited11 million15 May 2022
disguise Technologies Limited11 million13 Jul 2019
Docobo Limited11 million16 Oct 2015
Domotz Ltd11 million26 Feb 2017
EA Technology Ltd11 million1 Jul 2019
EISST International Ltd11 million8 Oct 2019
EISST Ltd11 million4 Oct 2018
EkkoSense Ltd11 million8 May 2020
em-trak11 million7 Jul 2023
Entotem LTD11 million16 Oct 2015
EV4 Limited11 million31 Oct 2025
FireAngel Safety Technology Ltd11 million29 Jan 2019
Flintec UK Ltd.11 million22 Apr 2018
G4S Monitoring Technologies Ltd11 million1 Apr 2018
Garrison Technology11 million21 Feb 2016
Gemini Data Loggers (UK) Limited11 million14 Jan 2018
Global Design Solutions Ltd11 million16 Oct 2015
GoodBox11 million7 Sep 2018
Ground Control Technologies UK Ltd.11 million24 Jan 2024
Hexagon Metrology Services Ltd.11 million23 Jun 2022
HiHi Ltd11 million22 Jul 2018
Hive Media Control11 million1 Oct 2024
Honeywell Analytics Ltd11 million11 Mar 2023
Indra Renewable Technologies11 million29 Mar 2024
Innovative Electronic Technology11 million16 Oct 2015
Innovative Technology Ltd11 million17 Apr 2016
Integrated Design Ltd11 million25 Sep 2016
Itron UK Limited11 million13 Dec 2015
Johnson Matthey11 million13 Nov 2016
Jump Trading11 million6 Mar 2019
Kahf Software Limited11 million14 Aug 2026
Kano Computing Limited11 million31 Mar 2021
Kraken Technologies Ltd11 million13 Nov 2021
L.T.H. Electronics Limited11 million16 Nov 2024
Labman Automation11 million11 May 2022
Light Blue Optics Ltd.11 million20 Aug 2017
Lisle Design Ltd11 million31 Dec 2017
Machine Max11 million27 Nov 2018
Metasphere Ltd11 million23 Jul 2022
Minibems Ltd11 million31 Mar 2021
Mitsubishi Electric Europe B.V UK Branch11 million6 Mar 2025
Navitas Digital Safety Ltd11 million14 Mar 2021
Neos Ventures Limited11 million15 Jul 2018
Netavo Global Data Services Ltd11 million7 Mar 2024
Netvio Ltd11 million29 Jul 2021
Newtons4th Ltd11 million8 Jul 2018
nodor international11 million5 Jun 2026
Nomad Digital Ltd.11 million16 Oct 2015
Norden Communication UK Ltd.11 million14 Aug 2019
Novo innovations Ltd11 million29 Jan 2017
Octopus Energy Ltd11 million30 Mar 2026
Optikinetics Ltd11 million28 Jan 2026
Origami Energy Ltd11 million8 Jan 2017
Overview Limited11 million26 Apr 2024
Oxford Nanopore Technologies Ltd.11 million7 Oct 2020
Pax11 million4 Dec 2016
Phasor Solutions Ltd11 million18 Feb 2018
Pickering Interfaces Ltd11 million19 Jul 2019
Powervault Ltd11 million3 Dec 2017
Procode Technology Litd11 million21 Jun 2026
Prolight Concepts (UK) Ltd11 million21 Oct 2025
Pulse Structural Monitoring Ltd11 million21 Apr 2023
Redvision CCTV11 million16 Oct 2015
Salunda Ltd11 million23 Apr 2017
Sam Nazarko Trading Ltd11 million25 Dec 2019
Sandal Plc11 million16 Oct 2015
Sensata Technologies11 million20 Oct 2023
Simprints Technology Ltd11 million1 May 2016
Siretta Ltd11 million3 Jul 2025
SKA Organisation11 million19 Jul 2020
snap40 Ltd11 million15 Apr 2018
Spacepath Communications Ltd11 million5 Mar 2017
SPD Development Company Ltd11 million4 Sep 2016
STERIS11 million4 Mar 2022
SY Electronics Limited11 million28 Aug 2016
Synamedia11 million4 May 2023
Synapsys Solutions Ltd.11 million26 Mar 2017
System Q Ltd11 million30 Oct 2018
TDK-Lambda UK11 million17 Mar 2026
Tenways Engineering Service Ltd11 million12 May 2021
The Magstim Company Ltd.11 million16 Oct 2015
The Professional Monitor Company Ltd11 million13 Feb 2020
thumbzup UK Limited11 million4 Sep 2016
tinylogics11 million11 Dec 2016
Toucan Systems Ltd11 million7 Sep 2018
Trumeter11 million18 Nov 2022
University of York11 million16 Oct 2015
VANGUARD11 million18 Mar 2020
Vicinity Technologies Limited11 million8 Mar 2024
Voltaware Services Limited11 million16 Jul 2017
Wunda Group plc11 million22 Oct 2017
XTX Markets Technologies Limited11 million3 Sep 2025
Zeta Alarms Limited11 million2 Nov 2023
DSP DESIGN1353.2 thousand30 Jul 2008
Season Electronics Ltd1041 thousand10 Jun 2018
DSP DESIGN LTD936.9 thousand30 Jul 2008
Vocality International Ltd832.8 thousand30 Jul 2008
Exi Flow Measurement Ltd520.5 thousand30 Jul 2008
Guardian Controls International Ltd520.5 thousand30 Jul 2008
Druck Ltd.416.4 thousand28 Feb 2021
GJD Manufacturing416.4 thousand9 Mar 2019
SEASON DESIGN TECHNOLOGY416.4 thousand6 Mar 2016
Chamsys Ltd312.3 thousand31 Mar 2013
EarTex312.3 thousand16 Oct 2016
GMI Ltd312.3 thousand9 Oct 2016
Golding Audio Ltd312.3 thousand10 Jul 2019
Invertek Drives Ltd312.3 thousand16 Oct 2016
Open System Solutions Limited312.3 thousand30 Jul 2008
Orange Tree Technologies Ltd312.3 thousand29 Nov 2015
TTi Ltd312.3 thousand30 Jul 2008
Arrowvale Electronics28.2 thousand15 Feb 2009
Assembly Contracts Limited28.2 thousand30 Jul 2008
Assembly Contracts Ltd28.2 thousand1 Sep 2013
Axxess Identification Ltd28.2 thousand27 Jan 2013
BERG Cloud Limited28.2 thousand14 Oct 2012
BIOTAGE GB LTD28.2 thousand16 Jun 2021
C21 Systems Ltd28.2 thousand15 Mar 2015
Calnex Solutions plc28.2 thousand30 Jul 2008
CEDAR Audio Ltd28.2 thousand30 Jul 2008
Chell Instruments Ltd28.2 thousand30 Jul 2008
Clockwork Dog28.2 thousand16 Sep 2020
COE Limited28.2 thousand30 Jul 2008
Cooltera Limited28.2 thousand24 Jun 2018
CyanConnode28.2 thousand30 Jul 2008
Den Automation28.2 thousand29 Apr 2018
Densitron Technologies Ltd28.2 thousand15 Mar 2009
ePOINT Embedded Computing Limited28.2 thousand4 May 2014
Green Access Ltd28.2 thousand7 May 2017
Guidance Navigation Limited28.2 thousand30 Jul 2008
HTEC Limited28.2 thousand30 Jul 2008
Huz Electronics Ltd28.2 thousand9 Jan 2022
Icon Research Ltd28.2 thousand30 Jul 2008
JTL Systems Ltd.28.2 thousand8 Mar 2009
Littlemore Scientific28.2 thousand29 Mar 2009
Loma Systems s.r.o.28.2 thousand28 May 2017
MART NETWORK SOLUTIONS LTD28.2 thousand27 Mar 2016
Navtech Radar Ltd28.2 thousand30 Jul 2008
NSP Europe Ltd28.2 thousand7 Jul 2013
Phaedrus Limited28.2 thousand30 Jul 2008
RCS Energy Management Ltd28.2 thousand30 Jul 2008
Solid State Disks Ltd28.2 thousand8 Mar 2015
Sontay Ltd.28.2 thousand7 May 2016
Tabology28.2 thousand15 Jun 2014
Vocality international T/A Cubic28.2 thousand11 Feb 2018
3DX-Ray Limited14.1 thousand30 Jul 2008
4Links Limited14.1 thousand30 Jul 2008
7thSense Design Limited14.1 thousand9 Jun 2020
A.R.G ElectroDesign Ltd14.1 thousand30 Jul 2008
AB PRECISION (POOLE) LTD14.1 thousand12 Jul 2019
Abitsoftware, Ltd.14.1 thousand10 May 2015
Acc+Ess Ltd14.1 thousand28 Jun 2015
Acco Brands Europe14.1 thousand9 Mar 2014
ADIXEIN LIMITED14.1 thousand31 Mar 2013
Advanced Desktop Systems Ltd14.1 thousand25 Oct 2009
Advanced Modular Computers Ltd.14.1 thousand30 Jul 2008
Advanced Vision Technology Ltd14.1 thousand12 Mar 2017
AEL Microsystems Limited14.1 thousand21 Aug 2011
AERIAL CAMERA SYSTEMS Ltd14.1 thousand19 Jun 2020
AERONAUTICAL & GENERAL INSTRUMENTS LTD.14.1 thousand20 Jul 2014
Afonics Fibreoptics Ltd14.1 thousand30 Jul 2008
AGWTech Ltd14.1 thousand27 Dec 2009
AHM Limited (CLiKAPAD)14.1 thousand10 May 2009
Air Monitors Ltd14.1 thousand14 Jun 2009
Airborne Engineering Limited14.1 thousand2 Nov 2014
Allen Martin Conservation Ltd14.1 thousand30 Jul 2008
Alstom Signalling Ltd.14.1 thousand30 Jul 2008
ALTRAN UK14.1 thousand6 Mar 2016
Amantys Ltd14.1 thousand2 Dec 2012
Anglian Water Business (National) Limited14.1 thousand25 Jun 2026
Applied Materials UK Ltd14.1 thousand30 Jul 2008
Aqua Broadcast Ltd14.1 thousand27 Oct 2021
Aquavision Distribution Ltd14.1 thousand28 Aug 2016
Armour Home Electronics LTD14.1 thousand22 Aug 2010
Ashton Bentley Collaboration Spaces14.1 thousand11 Aug 2021
ASL Holdings14.1 thousand12 Apr 2015
Atlantic Pumps Ltd14.1 thousand12 Nov 2021
Audient Ltd14.1 thousand28 Feb 2010
Aural Ltd14.1 thousand8 Jul 2018
Axis Electronics14.1 thousand30 Jul 2008
AYC Telecom Ltd14.1 thousand30 Jul 2008
Bactest Limited14.1 thousand23 Sep 2012
BAE Systems Surface Ships Limited14.1 thousand21 Feb 2016
Bassett Electronic Systems ltd14.1 thousand26 Apr 2009
BCD Audio14.1 thousand14 Jan 2018
Beam Ltd14.1 thousand7 Aug 2011
beespace Technologies Limited14.1 thousand12 Sep 2025
Beringar14.1 thousand21 Aug 2020
Beta Lasermike Ltd14.1 thousand30 Jul 2008
BLIGHTER SURVEILLANCE SYSTEMS LTD14.1 thousand13 Oct 2021
BlinkPipe Ltd14.1 thousand11 Aug 2013
Bluebell Opticom Limited14.1 thousand30 Jul 2008
BlueBox Video Limited14.1 thousand22 Jul 2018
Board Level Limited14.1 thousand30 Jul 2008
Boundary Technologies Ltd14.1 thousand11 Oct 2020
BPC circuits Ltd14.1 thousand22 Mar 2009
BrainBoxes Ltd14.1 thousand30 Jul 2008
Brightlights Intellectual Property Ltd14.1 thousand30 Jul 2008
Brightwell Dispensers14.1 thousand30 Sep 2012
Brightwell Dosing ltd14.1 thousand20 May 2026
Broyce Control Ltd14.1 thousand18 Dec 2024
C21 Systems Limited14.1 thousand30 Jul 2008
C4I Systems Ltd14.1 thousand4 Mar 2020
CA Traffic Ltd14.1 thousand29 Mar 2009
CallTech International Limited14.1 thousand30 Jul 2008
Calon Associates Limited14.1 thousand14 Jul 2013
Cambridge Pixel14.1 thousand10 Dec 2017
Cambridge Research Systems Ltd14.1 thousand8 Mar 2023
Cambustion Ltd14.1 thousand8 Oct 2008
Cammegh Limited14.1 thousand21 Mar 2010
Cannon Technologies14.1 thousand30 Jul 2008
Cascade Technologies Ltd14.1 thousand30 Jul 2008
CaTs3 Limited14.1 thousand8 Oct 2008
CDS Rail14.1 thousand30 Jul 2008
CENSIS, Uiversity of Glasgow14.1 thousand2 Aug 2019
ChamSys14.1 thousand8 Jan 2026
Chelsea Technologies Group Ltd14.1 thousand26 Feb 2017
City Computing Ltd14.1 thousand5 Aug 2012
CLARESYS LIMITED14.1 thousand26 Jul 2020
Clifford Chance LLP14.1 thousand30 Jul 2008
Clive Green & Co. Ltd.14.1 thousand30 Jul 2008
Coda Octopus Products Limited14.1 thousand9 Dec 2020
Codex Digital Ltd14.1 thousand30 Jul 2008
Common Sense Monitoring Solutions Ltd.14.1 thousand25 Feb 2018
Comodo14.1 thousand30 Jul 2008
Computime Systems UK Ltd.14.1 thousand30 Jul 2008
Confidence Direct Ltd14.1 thousand26 Oct 2008
Connected Response14.1 thousand31 Jul 2019
Connido Limited14.1 thousand11 Oct 2020
CPC (UK)14.1 thousand9 Apr 2021
Creative Electronics Ltd14.1 thousand8 Nov 2018
CreevX14.1 thousand7 Oct 2020
Criterion Systems Limited14.1 thousand30 Jul 2008
Cronus Electronics14.1 thousand31 Aug 2022
Cross Products Ltd.14.1 thousand30 Jul 2008
Cymtec Ltd14.1 thousand19 Apr 2015
dAFTdATA Limited14.1 thousand30 Jul 2008
Damerell Design Limited (DCL)14.1 thousand26 Apr 2015
Dart Systems Ltd14.1 thousand6 Jan 2023
Data Conversion Systems Ltd14.1 thousand2 Oct 2024
Data Strategy Limited14.1 thousand19 Feb 2017
Datacomm Networks14.1 thousand4 Apr 2025
Datakinetics Ltd.14.1 thousand30 Jul 2008
Datum Electronics Limited14.1 thousand18 May 2014
Davetech Limited14.1 thousand6 Aug 2021
David Horn Communications Ltd14.1 thousand23 Sep 2018
DAVIS DERBY LIMITED14.1 thousand2 Jun 2013
dB Broadcast Limited14.1 thousand30 Jul 2008
db Broadcast Products Ltd14.1 thousand29 May 2016
DCO SYSTEMS LTD14.1 thousand23 Jul 2024
Deep Secure Limited14.1 thousand18 Feb 2021
DemoPad14.1 thousand3 Nov 2013
Design For Life Systems14.1 thousand14 Aug 2016
Detection Technologies Ltd.14.1 thousand30 Jul 2008
Dia-Stron Limited14.1 thousand22 Apr 2018
Diamond Point International (Europe) Ltd14.1 thousand15 Feb 2009
Digital Barriers14.1 thousand20 May 2012
Digital SP Ltd14.1 thousand30 Jul 2008
Digital Yacht Ltd14.1 thousand21 Feb 2016
digitrol limited14.1 thousand14 Feb 2019
DIGITROL LTD14.1 thousand30 Jul 2008
Docobo Ltd14.1 thousand24 Jan 2010
Don Electronics Ltd14.1 thousand26 Jan 2014
Dunlop Systems & Components14.1 thousand31 Mar 2013
ECO MONITORING UTILITY SYSTEMS LTD14.1 thousand6 Nov 2011
EGS Technologies Ltd14.1 thousand13 Mar 2011
Electronic Media Services Ltd14.1 thousand8 Oct 2008
Elesar Limited14.1 thousand12 Apr 2015
Eloquence Ltd14.1 thousand30 Jul 2008
EM Motorsport Ltd14.1 thousand30 Jul 2008
Embed Limited14.1 thousand21 Apr 2013
Embedded Monitoring Systems Ltd.14.1 thousand10 Nov 2010
Emergency Lighting Products Limited14.1 thousand22 Oct 2017
Endusis Limited14.1 thousand30 Jul 2008
Energy Technology and Control Ltd.14.1 thousand22 Dec 2013
Enistic Limited14.1 thousand4 Mar 2012
enModus14.1 thousand21 Feb 2016
Equatel14.1 thousand12 Feb 2017
Esprit Digital Ltd14.1 thousand5 Apr 2024
Ethical Lighting and Sensor Solutions Limited14.1 thousand31 May 2015
Expro North Sea14.1 thousand26 Sep 2010
Falling Edge Technology Ltd14.1 thousand2 Sep 2026
FarSite Communications Limited14.1 thousand23 Aug 2009
Fen Systems Ltd14.1 thousand18 Mar 2018
Fen Technology Limited14.1 thousand30 Jul 2008
Feritech Ltd.14.1 thousand6 Oct 2021
FilmLight Limited14.1 thousand30 Jul 2008
Fingoti Limited14.1 thousand11 Feb 2022
Fire4 Systems UK Ltd14.1 thousand29 Oct 2017
Fischer Connectors14.1 thousand31 Mar 2021
Fleetwood Electronics Ltd14.1 thousand30 Jul 2008
Foenix Coding Ltd14.1 thousand22 Aug 2025
Formula One Management Ltd.14.1 thousand30 Jul 2008
Frame Systems Limited14.1 thousand30 Jul 2008
Frazer-Nash Consultancy14.1 thousand28 Feb 2025
FTM Marketing Limited14.1 thousand16 Nov 2008
GE Aviation Cheltenham14.1 thousand25 Jan 2015
Gencoa Ltd14.1 thousand26 Feb 2017
Genetix Ltd14.1 thousand30 Jul 2008
Geoquip Ltd14.1 thousand8 Oct 2008
Gill Instruments Ltd14.1 thousand3 Nov 2013
Glasson Electronics Ltd14.1 thousand23 Apr 2024
GlobalInvacom14.1 thousand11 Jun 2022
GLT Exports Ltd14.1 thousand28 Jun 2015
Gnutek Ltd.14.1 thousand30 Jul 2008
Golden River Traffic14.1 thousand30 Jul 2008
Goodtech Worldwide LTD ,,mobitel''14.1 thousand18 Sep 2026
Grosvenor Technology Ltd14.1 thousand30 Jul 2008
GSS Avionics Limited14.1 thousand1 Mar 2009
H M Computing Limited14.1 thousand30 Jul 2008
Harland Simon plc14.1 thousand22 Jan 2012
Harmony Fire Ltd14.1 thousand4 Nov 2023
Harper Chalice Group Limited14.1 thousand2 Aug 2009
Harvard Technology Ltd14.1 thousand27 May 2018
HGL Dynamics14.1 thousand7 Aug 2011
HGL Dynamics Ltd14.1 thousand7 Nov 2019
Hi Tech Systems Ltd14.1 thousand17 Dec 2017
Highlight Parking Systems Ltd14.1 thousand3 Jan 2010
Highrail Systems Limited14.1 thousand30 Jul 2008
Hildebrand Technology Limited14.1 thousand3 Jul 2016
Homaetrix Ltd14.1 thousand4 Dec 2011
Honey Network Research Limited14.1 thousand30 Jul 2008
I.C.S. Electronics Limited14.1 thousand30 Jul 2008
I-Evo Ltd14.1 thousand10 Apr 2011
IBEX UK Limited14.1 thousand30 Jul 2008
IDEAL INDUSTRIES Ltd t/a Casella14.1 thousand15 May 2016
IDZ Ltd14.1 thousand11 Feb 2021
Image Control Design Limited14.1 thousand30 Jul 2008
Imenco Ltd14.1 thousand4 Sep 2020
IMI Thomson Valves14.1 thousand8 Aug 2024
Imigix Ltd.14.1 thousand30 Jul 2008
Industrial Computing Ltd14.1 thousand21 Dec 2008
Industrial Control and Communication Limited14.1 thousand30 Jul 2008
Industrial Data Products Ltd14.1 thousand25 Jan 2009
Infinitive Group Limited14.1 thousand23 Feb 2023
Initial Electronic Security Systems14.1 thousand30 Jul 2008
Inova Design Solutions Ltd14.1 thousand28 Aug 2016
Instro Precision Limited14.1 thousand21 Feb 2016
Instrumentel Limited14.1 thousand20 Feb 2011
Intelligent Energy Ltd14.1 thousand7 Dec 2014
Intergrated Security Mfg. Ltd14.1 thousand30 Jul 2008
Intrinsic Group Limited14.1 thousand11 Sep 2020
Invisible Systems Limited14.1 thousand11 Mar 2018
IO Limited14.1 thousand30 Jul 2008
iOpt14.1 thousand24 Dec 2024
IoT Routers Limited14.1 thousand29 Jul 2018
ISDI Ltd14.1 thousand16 May 2023
iSiS-Ex Limited14.1 thousand1 Mar 2015
IT-IS International Ltd.14.1 thousand25 Jul 2010
Itrinegy Ltd.14.1 thousand26 Jul 2015
ITsynergy Ltd14.1 thousand18 Jan 2020
Jacarta Ltd14.1 thousand3 Dec 2017
JESE Ltd14.1 thousand21 Feb 2021
Jiskoot Ltd14.1 thousand17 Jan 2010
JVF Communications Ltd14.1 thousand30 Jul 2008
Keene Electronics Ltd.14.1 thousand8 Oct 2008
KENDA ELECTRONIC SYSTEMS LIMITED14.1 thousand11 Jan 2009
Kentech Instruments Limited14.1 thousand14 Dec 2014
Kenton Research Ltd14.1 thousand30 Jul 2008
Kinesys Projects Limited14.1 thousand30 Jul 2008
Kohler Mira Ltd14.1 thousand20 Dec 2015
KOP Ltd14.1 thousand30 Jul 2008
Kratos Analytical Ltd14.1 thousand24 Apr 2016
Kromek Limited14.1 thousand21 Mar 2024
LabLogic Systems14.1 thousand12 Aug 2022
Laser Electronics Ltd14.1 thousand30 Jul 2008
Legrand Electric Ltd14.1 thousand6 Apr 2019
LESTER ELECTRONICS LTD14.1 thousand30 Jul 2008
LK Ltd14.1 thousand30 Jul 2008
Lo-Q plc14.1 thousand8 May 2011
Loanguard T/A SE Controls14.1 thousand11 Jan 2019
LONAP Limited14.1 thousand30 Jul 2008
LPA Excil Electronics14.1 thousand12 Jul 2015
Luke Granger-Brown14.1 thousand18 Apr 2023
M.A.C. Solutions (UK) Ltd14.1 thousand12 Dec 2019
M Squared Lasers Limited14.1 thousand30 Jul 2008
M5 Data Limited14.1 thousand30 Jul 2008
MAC Solutions (UK) Ltd14.1 thousand22 Nov 2018
MacDonald Humfrey (Products) Ltd14.1 thousand30 Jul 2008
Malden Electronics Ltd14.1 thousand30 Jul 2008
Marine Communications Limited14.1 thousand30 Jul 2008
Marine Entertainment Systems Ltd14.1 thousand9 Aug 2009
Mark Roberts Motion Control14.1 thousand2 Sep 2022
Matrix Telematics Limited14.1 thousand19 Aug 2020
MDA SatConn UK14.1 thousand23 Apr 2026
Media Technologies Ltd.14.1 thousand9 May 2010
Mediaport Systems Ltd14.1 thousand7 Aug 2024
Mediashare Ltd14.1 thousand8 Feb 2024
Medisafe International14.1 thousand7 Aug 2016
Mercury HMI Ltd14.1 thousand31 Mar 2013
Meta Vision Systems Ltd.14.1 thousand30 Jul 2008
MetaWave Vedeo Systems14.1 thousand30 Jul 2008
MEV Limited14.1 thousand8 Oct 2008
Michael Stevens & Partners Ltd14.1 thousand7 Dec 2008
Micro-Robotics Limited14.1 thousand30 Jul 2008
Microvideo14.1 thousand5 Aug 2018
Milmega Ltd14.1 thousand30 Jul 2008
Mo-Sys Engineering Ltd14.1 thousand22 Oct 2017
Motion Impossible Ltd14.1 thousand22 Nov 2024
Motohaus Powersports Limited14.1 thousand18 Nov 2020
MST SYSTEMS LIMITED14.1 thousand30 Jul 2008
MSU UK Ltd14.1 thousand30 Jul 2008
Multimessage Systems Ltd.14.1 thousand30 Jul 2008
Multiple Access Communications Ltd14.1 thousand6 Feb 2019
Naim Audio14.1 thousand30 Jul 2008
Nanospeed Technologies Limited14.1 thousand7 Jun 2015
ND METER14.1 thousand16 Jul 2017
Neo Electronics Ltd14.1 thousand30 Jul 2008
neQis14.1 thousand5 Feb 2017
Network Rail14.1 thousand17 Dec 2025
Nixer Ltd14.1 thousand1 Dec 2022
Nokia Bell Labs14.1 thousand4 Nov 2023
Nomad Digital Limited14.1 thousand3 Feb 2013
Nortek Global HVAC14.1 thousand19 Nov 2017
Nortel Networks PLC (UK)14.1 thousand30 Jul 2008
North Building Technologies Limited14.1 thousand28 Sep 2024
Northern Design (Electronics) Ltd14.1 thousand10 Apr 2025
Ocarina14.1 thousand15 Jan 2026
OmniBuds Ltd14.1 thousand10 Aug 2026
on-systems limited14.1 thousand5 Jan 2021
OnDis Solutions Ltd14.1 thousand13 May 2025
Optionexist Limited14.1 thousand30 Jul 2008
Orange Tree Technologies14.1 thousand15 Mar 2009
Orbital Astronautics Ltd14.1 thousand3 Nov 2022
Oxford Monitoring Solutions Ltd14.1 thousand2 Apr 2019
PA CONSULTING SERVICES14.1 thousand22 Feb 2015
Paradigm Communication Systems Ltd14.1 thousand28 Jun 2015
Paragraf14.1 thousand29 Mar 2022
Paraytec Ltd14.1 thousand30 Jul 2008
Patronics International LTD14.1 thousand14 Dec 2008
PBSI Group Limited14.1 thousand25 Oct 2015
PCME Ltd.14.1 thousand22 Feb 2015
PDD Group Ltd14.1 thousand11 Oct 2015
PDU EXPERT UK LTD14.1 thousand9 Oct 2011
Photonic Science and Engineering Ltd14.1 thousand3 Aug 2022
Picocom Technology Ltd14.1 thousand13 Oct 2021
Picsolve International Limited14.1 thousand8 Oct 2008
Plant Integrity Limited14.1 thousand7 Aug 2011
Plastic Logic14.1 thousand30 Jul 2008
Plextek Limited14.1 thousand30 Jul 2008
Polar Bear Design14.1 thousand23 May 2023
Polatis Ltd14.1 thousand30 Jul 2008
Portable Add-Ons14.1 thousand30 Jul 2008
Positioneering Limited14.1 thousand4 Dec 2011
Postjet Systems Ltd14.1 thousand5 Jan 2010
PowTechnology Limited14.1 thousand12 Jan 2024
Practical Control Ltd14.1 thousand18 Apr 2010
Prior Scientific Instruments Ltd14.1 thousand1 Jul 2019
Procon Engineering Limited14.1 thousand12 Apr 2009
Profusion Limited14.1 thousand26 Apr 2020
Purite Ltd14.1 thousand1 Mar 2009
Pycom Ltd14.1 thousand3 Jul 2016
QED Advanced Systems Limited14.1 thousand1 Dec 2013
QLM Technology Ltd14.1 thousand21 Apr 2021
Quail14.1 thousand18 Apr 2010
Quantum Detectors14.1 thousand19 Feb 2017
quantumBEAM Limited14.1 thousand30 Jul 2008
Quarch Technology Ltd14.1 thousand6 Dec 2009
Quorum Technologies Ltd14.1 thousand11 Jan 2009
R3 IoT Ltd.14.1 thousand6 Apr 2023
RAB Microfluidics R&D Company Ltd14.1 thousand1 Dec 2022
Racelogic Ltd14.1 thousand24 Jul 2025
Radiant Networks Plc14.1 thousand30 Jul 2008
RCS Energy Management Limited14.1 thousand16 Jun 2013
RDT Ltd14.1 thousand30 Apr 2017
Reactec Ltd14.1 thousand21 Feb 2016
Red Sensors Limited14.1 thousand26 Jun 2021
RedWave Labs Ltd14.1 thousand21 Feb 2016
Remote Diagnostic Technologies Ltd14.1 thousand9 Feb 2020
Revolution Education Ltd14.1 thousand30 Jul 2008
RF CREATIONS LTD14.1 thousand15 May 2016
Richard Paul Russell Ltd14.1 thousand12 Nov 2017
Rimota Limited14.1 thousand13 Mar 2016
Riverlink Computers, Ltd.14.1 thousand30 Jul 2008
Roke Manor Research Ltd14.1 thousand30 Jul 2008
Row Seven Ltd14.1 thousand30 Jul 2008
SA Instrumentation Limited14.1 thousand6 Dec 2015
Safe Place Solutions Ltd14.1 thousand8 Apr 2012
Salent Technologies Ltd14.1 thousand30 Jul 2008
Samuel Cosgrove14.1 thousand26 Jul 2024
Sascal Displays Ltd14.1 thousand15 Jan 2012
Satkirit Ltd14.1 thousand6 Oct 2013
Saturn Solutions Ltd14.1 thousand31 Mar 2013
SECUREAAi14.1 thousand27 Jan 2026
Security Services Group (SSG)14.1 thousand13 Feb 2011
Sedo Systems Ltd14.1 thousand30 Jul 2008
SELEX Communications Limited14.1 thousand10 Nov 2010
SELEX Communications Ltd14.1 thousand30 Jul 2008
Senceive Ltd14.1 thousand14 Jul 2013
Sencon UK Ltd.14.1 thousand27 Sep 2009
Sensoptics Ltd14.1 thousand30 Jul 2008
Sensor Highway Ltd14.1 thousand26 Jan 2014
Sentec Ltd14.1 thousand27 Dec 2009
Sequoia Technology Group Ltd14.1 thousand18 Apr 2010
Sertone, a division of Opti-Knights Ltd14.1 thousand12 Jun 2016
Signatrol Ltd14.1 thousand25 Nov 2021
Silicon Safe Ltd14.1 thousand21 Feb 2016
Silixa Ltd14.1 thousand6 Aug 2017
SilverNet14.1 thousand8 Nov 2009
Silvertree Engineering Ltd14.1 thousand30 Jul 2008
Sinetica Corp14.1 thousand30 Jul 2008
Skylake Talix14.1 thousand30 Jul 2008
Skylark Lasers14.1 thousand8 May 2026
Slipstream Engineering Design Ltd14.1 thousand21 Jun 2026
Smart Energy Code Company Limited14.1 thousand22 Mar 2015
Smashtag Ltd14.1 thousand23 Sep 2018
SMC Gateway14.1 thousand18 Oct 2025
sohonet ltd14.1 thousand4 Oct 2018
Solid State Logic14.1 thousand30 Jul 2008
Solid State Supplies Ltd14.1 thousand12 Nov 2022
Solotech14.1 thousand28 Jan 2025
SomerData ltd14.1 thousand30 Jul 2008
Sorion Electronics ltd14.1 thousand13 Jun 2019
Specialised Imaging Limited14.1 thousand29 Jan 2017
Specialist Electronics Services Ltd14.1 thousand28 Feb 2010
Spectra Displays Ltd14.1 thousand27 Sep 2015
Sphere Medical Ltd14.1 thousand23 Dec 2012
Spirent Communications (Scotland) Limited14.1 thousand30 Jul 2008
SPX Radiodetection14.1 thousand9 Feb 2020
STAR-Dundee Ltd14.1 thousand30 Jul 2008
StoreTech Limited14.1 thousand30 Jul 2008
SunGard Vivista14.1 thousand30 Jul 2008
Syndora Alto Technology Limited14.1 thousand20 Aug 2024
Systems Mechanics14.1 thousand6 Sep 2023
Systemteq Limited14.1 thousand27 Dec 2009
Szabo Software & Engineering UK Ltd14.1 thousand27 Dec 2015
T2 Communication Ltd14.1 thousand30 Jul 2008
Tandata Systems Ltd14.1 thousand30 Jul 2008
Technolog Ltd14.1 thousand8 Jul 2026
Telecom Protection Technologies Limited14.1 thousand30 Jul 2008
Teledyne Defence Limited14.1 thousand23 Aug 2009
Telensa Ltd14.1 thousand23 Sep 2018
TerOpta Ltd14.1 thousand15 Nov 2015
Testbook Ltd14.1 thousand9 Jun 2013
TGS Geophysical Company (UK) Limited14.1 thousand31 Mar 2013
Thales Communications Ltd14.1 thousand30 Jul 2008
Thales UK14.1 thousand30 Jul 2008
The DX Shop Limited14.1 thousand1 May 2016
Thermify Holdings Ltd14.1 thousand29 Aug 2023
Thermo Onix Ltd14.1 thousand13 Jul 2021
Thruvision Limited14.1 thousand23 Feb 2019
Tiab Limited14.1 thousand19 Oct 2014
Timebeat.app Ltd14.1 thousand12 Jun 2024
Transportal Solutions Ltd14.1 thousand29 Nov 2015
Transtech DSP14.1 thousand30 Jul 2008
Trikon Technologies Ltd.14.1 thousand30 Jul 2008
Tritech International Ltd14.1 thousand15 Nov 2009
Triton Electronics Ltd14.1 thousand3 Dec 2017
Trolex Limited14.1 thousand12 Jul 2009
Tsien (UK) Ltd14.1 thousand30 Jul 2008
TT electronics plc14.1 thousand30 Jul 2008
TTi LTD (Thurlby Thandar Instruments LTD)14.1 thousand20 May 2012
TTPCom Ltd.14.1 thousand30 Jul 2008
TXMission Ltd.14.1 thousand19 Dec 2019
Typhon Treatment Systems Ltd14.1 thousand21 Sep 2019
Ultamation Limited14.1 thousand9 Mar 2014
Unilever R&D14.1 thousand31 Mar 2013
Uniwell Systems (UK) Ltd.14.1 thousand30 Jul 2008
Utopi Ltd14.1 thousand7 Nov 2020
Varisys Ltd14.1 thousand30 Jul 2008
Vars Technology14.1 thousand16 Jan 2020
Vemotion14.1 thousand23 Sep 2012
Vessel Technology Ltd14.1 thousand3 Jan 2020
Vickers Electronics Ltd14.1 thousand27 Jul 2014
Videosys Broadcast Ltd14.1 thousand22 Jan 2025
Viper Innovations Ltd14.1 thousand26 Feb 2019
Virtual Control Systems Ltd14.1 thousand7 Sep 2018
Virtuosys Ltd14.1 thousand28 May 2017
Visi-tech Systems Ltd14.1 thousand30 Jul 2008
Vision4ce Ltd14.1 thousand7 Sep 2018
Visual Engineering Technologies Ltd14.1 thousand22 Feb 2015
vivaMOS14.1 thousand26 Mar 2017
Viziontech UK14.1 thousand19 Mar 2025
Voltaware Limited14.1 thousand6 Mar 2016
Voltech Instruments14.1 thousand28 Nov 2010
Volution Group UK14.1 thousand4 Apr 2020
Vortex IoT Ltd14.1 thousand12 Aug 2023
Wayne Kerr Electronics14.1 thousand30 May 2010
Westek Technology Ltd14.1 thousand30 Jul 2008
Westinghouse Rail Systems Ltd14.1 thousand30 Jul 2008
Wired Broadcast Ltd14.1 thousand28 May 2020
World Time Solutions Limited14.1 thousand4 Jul 2010
Wotbox ltd14.1 thousand10 Apr 2011
Xad Communications Ltd14.1 thousand26 Oct 2008
Xentech Solutions Limited14.1 thousand7 May 2016
Yarg Biometrics Limited14.1 thousand30 Jul 2008
YESpay International Ltd14.1 thousand6 Oct 2013
Zelp Ltd14.1 thousand27 Jul 2022
Zetechtics Ltd14.1 thousand26 Mar 2017
Zeus Control Systems Ltd14.1 thousand13 May 2020
Zeus Product Design Ltd14.1 thousand16 Nov 2023
Zilica Limited14.1 thousand8 Jan 2022

Every organization with blocks registered in United Kingdom, sorted by total address space.

Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.