| Alphabet Inc. and Google UK Ltd. and Google LLC | Alphabet Inc. | information technology | price-fixing or anti-competitive practices | 2022 | UK-CMA | £0 |
| Tarmac | CRH PLC | building materials | price-fixing or anti-competitive practices | 2022 | UK-CMA | £0 |
| Railway Assessment Centre Forum | | | price-fixing or anti-competitive practices | 2022 | UK-CMA | £0 |
| Glencore Energy (UK) Ltd | Glencore | financial services | bribery | 2022 | UK-SFO | £0 |
| Waitrose | John Lewis Partnership | retailing | price-fixing or anti-competitive practices | 2022 | UK-CMA | £0 |
| Motorola Solutions UK Limited | Motorola Solutions | telecommunications | price-fixing or anti-competitive practices | 2022 | UK-OFCOM | £0 |
| Motorola Solutions, Inc. | Motorola Solutions | telecommunications | price-fixing or anti-competitive practices | 2023 | UK-CMA | £0 |
| Adret Ltd and Berangere Ltd | | | energy market violation | 2015 | UK-OFGEM | £0 |
| UK Capacity Reserve | | | energy market violation | 2015 | UK-OFGEM | £0 |
| Deutsche Bank | Deutsche Bank | financial services | price-fixing or anti-competitive practices | 2023 | UK-CMA | £0 |
| Citigroup Global Markets Limited | Citigroup | financial services | price-fixing or anti-competitive practices | 2023 | UK-CMA | £0 |
| J Sainsbury plc | J Sainsbury PLC | retailing | price-fixing or anti-competitive practices | 2023 | UK-CMA | £0 |
| Asda | EG Group | retailing | price-fixing or anti-competitive practices | 2023 | UK-CMA | £0 |
| JD Sports Fashion plc | JD Sports Fashion | retailing | price-fixing or anti-competitive practices | 2023 | UK-CMA | £0 |
| Three Counties Estate Agents Limited | | | price-fixing or anti-competitive practices | 2015 | UK-CMA | £90 |
| Sulion | | | price-fixing or anti-competitive practices | 2022 | UK-PSR | £572 |
| Owens Installations Limited | | | price-fixing or anti-competitive practices | 2013 | UK-OFT | £1,777 |
| The Association of Model Agents Limited | | | price-fixing or anti-competitive practices | 2016 | UK-CMA | £2,500 |
| EDF Energy | EDF-Electricite de France | utilities and power generation | consumer protection violation | 2020 | UK-OFGEM | £3,237 |
| Dollar East (International Travel & Money Transfer) Ltd | | | price-fixing or anti-competitive practices | 2023 | UK-FCA | £3,600 |
| Coriolis Projects Ltd. | | | price-fixing or anti-competitive practices | 2019 | UK-CMA | £7,735 |
| Hafiz Bros Travel & Money Transfer Limited | | | price-fixing or anti-competitive practices | 2023 | UK-FCA | £11,200 |
| Peter O'Rourke Electrical Limited | | | price-fixing or anti-competitive practices | 2013 | UK-OFT | £15,933 |
| Castles Property Services Limited | | | price-fixing or anti-competitive practices | 2015 | UK-CMA | £17,348 |
| Entice Energy | | | energy market violation | 2021 | UK-OFGEM | £20,000 |
| SSE Energy Services | OVO Energy | utilities and power generation | energy market violation | 2021 | UK-OFGEM | £20,000 |
| Dyball Associates | | | price-fixing or anti-competitive practices | 2019 | UK-OFGEM | £20,000 |
| Saxons PS Limited | | | price-fixing or anti-competitive practices | 2017 | UK-CMA | £20,257 |
| KW Supplies Ltd. | | | price-fixing or anti-competitive practices | 2016 | UK-CMA | £22,248 |
| Fender Musical Instruments Europe Limited | | | price-fixing or anti-competitive practices | 2019 | UK-CMA | £25,000 |
| Copart, Inc.and CPRT LLP and Copart UK Limited | Copart Inc. | information services | price-fixing or anti-competitive practices | 2023 | UK-CMA | £25,000 |
| iSupply Energy | | | consumer protection violation | 2019 | UK-OFGEM | £28,183 |
| allpay Limited | | | price-fixing or anti-competitive practices | 2022 | UK-PSR | £28,553 |
| Avro Energy | | | energy market violation | 2021 | UK-OFGEM | £30,000 |
| Asda Group Ltd | EG Group | retailing | price-fixing or anti-competitive practices | 2023 | UK-CMA | £30,000 |
| Abbott and Frost Estate Agents Limited | | | price-fixing or anti-competitive practices | 2017 | UK-CMA | £30,099 |
| Glyn Jackson Communications Limited | | | price-fixing or anti-competitive practices | 2013 | UK-OFT | £35,700 |
| Salegroup Limited (The) | | | price-fixing or anti-competitive practices | 2019 | UK-OFCOM | £40,000 |
| Waterfords (Estate Agents) Limited | | | price-fixing or anti-competitive practices | 2015 | UK-CMA | £46,186 |
| West Coast Property Services (UK) Limited | | | price-fixing or anti-competitive practices | 2017 | UK-CMA | £55,624 |
| Whoop Energy | | | energy market violation | 2021 | UK-OFGEM | £56,306 |
| Delta Gas and Power Limited | | | energy market violation | 2022 | UK-OFGEM | £57,000 |
| Oakley Interiors Ltd. | | | price-fixing or anti-competitive practices | 2019 | UK-CMA | £58,558 |
| Delta Gas and Power Limited | | | energy market violation | 2023 | UK-OFGEM | £70,000 |
| King Pharmaceuticals Ltd. and Praze Consultants Ltd. | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £75,573 |
| King Pharmaceuticals Ltd. and Praze Consultants Ltd. | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £75,573 |
| Trinity Mirror Southern Ltd. and Trinity Mirror plc | | | price-fixing or anti-competitive practices | 2015 | UK-CMA | £91,257 |
| Gary Berryman Estate Agents Ltd. and Warne Investments Ltd. | | | price-fixing or anti-competitive practices | 2017 | UK-CMA | £93,555 |
| Symbio Energy Limited | | | energy market violation | 2021 | UK-OFGEM | £100,000 |
| Electricity North West Limited | | | energy market violation | 2011 | UK-OFGEM | £100,000 |
| SSE | SSE PLC | utilities and power generation | energy market violation | 2015 | UK-OFGEM | £100,000 |
| Crosfill & Archer Claims Limited | | | privacy violation | 2021 | UK-FCA | £110,000 |
| Road Range Limited | | | price-fixing or anti-competitive practices | 2013 | UK-OFT | £115,774 |
| Opus Energy Limited | Drax Group PLC | utilities and power generation | energy market violation | 2012 | UK-OFGEM | £125,000 |
| npower Direct Ltd. and npower Ltd. and npower Northern Ltd. and npower Yorkshire Ltd. | E.ON | utilities and power generation | energy market violation | 2014 | UK-OFGEM | £125,328 |
| Balmoral Tanks Ltd. and Balmoral Group Holdings Ltd. | | | price-fixing or anti-competitive practices | 2019 | UK-CMA | £130,000 |
| Thomas Gunn Navigation Systems Ltd | | | bribery | 2012 | UK-COPFS | £138,000 |
| LCC Trans-Sending Ltd. and Small World Financial Services Group Ltd. t/a Small World | | | price-fixing or anti-competitive practices | 2023 | UK-FCA | £139,500 |
| Michael Hardy & Company (Wokingham) Limited and Geocharbert UK Ltd | | | price-fixing or anti-competitive practices | 2019 | UK-CMA | £142,843 |
| Premier Model Management Limited | | | price-fixing or anti-competitive practices | 2016 | UK-CMA | £150,000 |
| Trod Limited | | | price-fixing or anti-competitive practices | 2016 | UK-CMA | £163,371 |
| Greenslade Taylor Hunt | | | price-fixing or anti-competitive practices | 2017 | UK-CMA | £170,549 |
| International Tubular Services Limited | | | bribery | 2014 | UK-COPFS | £172,200 |
| Alissa Healthcare Research Ltd. | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £174,912 |
| Utilita Energy | | | energy market violation | 2019 | UK-OFGEM | £175,000 |
| Sapien Capital Ltd | | | investor protection violation | 2021 | UK-FCA | £178,000 |
| Tiofarma Beheer B.V. and Tiofarma B.V. | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £186,442 |
| Richard Worth Limited and Richard Worth Holdings Limited | | | price-fixing or anti-competitive practices | 2019 | UK-CMA | £193,911 |
| Economy Energy Trading Ltd | | | price-fixing or anti-competitive practices | 2019 | UK-OFGEM | £200,000 |
| URE Energy Limited | | | energy market violation | 2019 | UK-OFGEM | £209,013 |
| Brand-Rex Ltd | | | bribery | 2015 | UK-COPFS | £212,800 |
| Rangers Football Club Limited and Rangers International Football Club Plc | | | price-fixing or anti-competitive practices | 2022 | UK-CMA | £225,000 |
| Hillside (UK Sports) ENC | bet365 | entertainment | gambling industry violation | 2024 | UK-GC | £239,085 |
| H&L Garages Limited | | | price-fixing or anti-competitive practices | 2013 | UK-OFT | £242,076 |
| Viva Model Management London Limited and Viva Model Management Sarl | | | price-fixing or anti-competitive practices | 2016 | UK-CMA | £245,000 |
| FM Model Agency Limited | | | price-fixing or anti-competitive practices | 2016 | UK-CMA | £251,000 |
| SSE | SSE PLC | utilities and power generation | energy market violation | 2023 | UK-OFGEM | £252,000 |
| Prospect Estate Agency Limited and Prospect Holdings (Reading) Limited | | | price-fixing or anti-competitive practices | 2019 | UK-CMA | £268,765 |
| GAK.co.uk Ltd. and The Guitar, Amp & Keyboard Centre Ltd. and GAK.co.uk (Holdings) Ltd. | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £278,945 |
| British Telecommunications plc | BT | telecommunications | price-fixing or anti-competitive practices | 2017 | UK-OFCOM | £300,000 |
| ION Investment Group Limited and ION Trading Technologies Limited | | | price-fixing or anti-competitive practices | 2021 | UK-CMA | £325,000 |
| Hillside (UK Gaming) ENC | bet365 | entertainment | gambling industry violation | 2024 | UK-GC | £343,035 |
| Enza Motors Limited and Enza Holdings Limited and Enza Group Limited | | | price-fixing or anti-competitive practices | 2013 | UK-OFT | £347,198 |
| Hudson Energy Supply UK Ltd. | | | consumer protection violation | 2019 | UK-OFGEM | £350,000 |
| EDF Energy | EDF-Electricite de France | utilities and power generation | energy market violation | 2018 | UK-OFGEM | £350,000 |
| Hamsard 3149 Ltd. and Quantum Pharmaceutical Ltd. and Total Medication Management System dba Tomms Pharmacy | | | price-fixing or anti-competitive practices | 2014 | UK-OFT | £370,226 |
| Wales and West Utilities Limited | CK Hutchison Holdings | diversified | energy market violation | 2012 | UK-OFGEM | £375,000 |
| Consultant Eye Surgeons Partnership (CESP) Ltd. | | | price-fixing or anti-competitive practices | 2015 | UK-CMA | £382,500 |
| Models One Ltd. and One Worldwide Ltd. and Models 1 New Co Ltd. | | | price-fixing or anti-competitive practices | 2016 | UK-CMA | £394,000 |
| Alsford Page & Gems Limited | | | consumer protection violation | 2021 | UK-FCA | £399,902 |
| Central Networks East plc and Central Networks West plc | | | energy market violation | 2011 | UK-OFGEM | £400,000 |
| Footasylum | | | price-fixing or anti-competitive practices | 2022 | UK-CMA | £400,000 |
| Clifford Devlin Ltd | | | price-fixing or anti-competitive practices | 2023 | UK-CMA | £423,615 |
| Scottish Power | Iberdrola | utilities and power generation | energy market violation | 2023 | UK-OFGEM | £440,000 |
| GDF Suez/IPM | Engie | utilities and power generation | energy market violation | 2015 | UK-OFGEM | £450,000 |
| Elite Sports Group Limited and Elite Corporation Limited | | | price-fixing or anti-competitive practices | 2022 | UK-CMA | £459,000 |
| Hudson Energy Supply UK Ltd | | | consumer protection violation | 2018 | UK-OFGEM | £477,039 |
| Storm Model Management Limited and Storm Models Limited | | | price-fixing or anti-competitive practices | 2016 | UK-CMA | £491,000 |
| British Gas | Centrica | utilities and power generation | energy market violation | 2015 | UK-OFGEM | £500,000 |
| Scottish Hydro Electric Power Distribution plc | SSE PLC | utilities and power generation | energy market violation | 2011 | UK-OFGEM | £500,000 |
| Symbio Energy Limited | | | energy market violation | 2020 | UK-OFGEM | £506,308 |
