| Rail Assessment Centre Forum (RACF) | | | price-fixing or anti-competitive practices | 2022 | UK-ORR | £0 |
| Thames Water | Thames Water Utilities Ltd. | utilities and power generation | price-fixing or anti-competitive practices | 2022 | UK-OFWAT | £0 |
| DFDS A/S | | | price-fixing or anti-competitive practices | 2022 | UK-CMA | £0 |
| P&O Ferries Holdings Limited | | | price-fixing or anti-competitive practices | 2022 | UK-CMA | £0 |
| Moto Hospitality Limited | | | price-fixing or anti-competitive practices | 2022 | UK-CMA | £0 |
| Moto Holdings Limited | | | price-fixing or anti-competitive practices | 2022 | UK-CMA | £0 |
| Roadchef Limited | Macquarie | financial services | price-fixing or anti-competitive practices | 2022 | UK-CMA | £0 |
| Extra MSA Property (UK) Limited | | | price-fixing or anti-competitive practices | 2022 | UK-CMA | £0 |
| Google | Alphabet Inc. | information technology | price-fixing or anti-competitive practices | 2022 | UK-CMA | £0 |
| Mastercard | MasterCard | financial services | price-fixing or anti-competitive practices | 2022 | UK-PSR | £31,560,062 |
| allpay Limited | | | price-fixing or anti-competitive practices | 2022 | UK-PSR | £28,553 |
| Prepaid Financial Services Limited | | | price-fixing or anti-competitive practices | 2022 | UK-PSR | £916,746 |
| Advanced Payment Solutions | | | price-fixing or anti-competitive practices | 2022 | UK-PSR | £755,419 |
| Sulion | | | price-fixing or anti-competitive practices | 2022 | UK-PSR | £572 |
| Footasylum | | | price-fixing or anti-competitive practices | 2022 | UK-CMA | £400,000 |
| JD Sports | JD Sports Fashion | retailing | price-fixing or anti-competitive practices | 2022 | UK-CMA | £4,320,000 |
| Alphabet Inc. and Google UK Ltd. and Google LLC | Alphabet Inc. | information technology | price-fixing or anti-competitive practices | 2022 | UK-CMA | £0 |
| Meta Platforms, Inc. and Tabby Acquisition Sub Inc. and Facebook UK Ltd. | Meta Platforms Inc. | information technology | price-fixing or anti-competitive practices | 2022 | UK-CMA | £1,500,000 |
| Focus Pharmaceuticals Limited and Focus Pharma Holdings Limited | Nordic Capital | private equity (including portfolio companies) | price-fixing or anti-competitive practices | 2022 | UK-CMA | £549,343 |
| Lexon (UK) Limited and Lexon UK Holdings Limited | Bestway Healthcare | healthcare services | price-fixing or anti-competitive practices | 2022 | UK-CMA | £593,780 |
| Focus Pharmaceuticals Ltd. and Focus Pharma Holdings Ltd. and Mercury Pharma Group Ltd. | Nordic Capital | private equity (including portfolio companies) | price-fixing or anti-competitive practices | 2022 | UK-CMA | £921,357 |
| Medreich plc and Medreich Ltd | Meiji Group | food products | price-fixing or anti-competitive practices | 2022 | UK-CMA | £1,167,554 |
| Focus Pharmaceuticals Limited and Mercury Pharma Group Ltd. and Cinven Partners LLP et al. | Nordic Capital | private equity (including portfolio companies) | price-fixing or anti-competitive practices | 2022 | UK-CMA | £1,843,380 |
| Medreich plc and Medreich Ltd and Meiji Seika Pharma Co. Ltd and Meiji Holdings Co. Ltd. | Meiji Group | food products | price-fixing or anti-competitive practices | 2022 | UK-CMA | £3,452,446 |
| Cinven Capital Management (V) GP Ltd. and Cinven Partners LLP et al. | Cinven Group | private equity (including portfolio companies) | price-fixing or anti-competitive practices | 2022 | UK-CMA | £4,856,620 |
| Lexon (UK) Limited | Bestway Healthcare | healthcare services | price-fixing or anti-competitive practices | 2022 | UK-CMA | £6,706,220 |
| Focus Pharmaceuticals Limited and Mercury Pharma Group Ltd. and Concordia Investments (Jersey) Ltd. and Advanz Pharma Corp. Ltd. et al. | Nordic Capital | private equity (including portfolio companies) | price-fixing or anti-competitive practices | 2022 | UK-CMA | £7,288,853 |
| Alliance Pharmaceuticals Limited and Alliance Pharma plc | Alliance Pharma PLC | pharmaceuticals | price-fixing or anti-competitive practices | 2022 | UK-CMA | £7,900,000 |
| 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 |
| JD Sports Fashion Plc | JD Sports Fashion | retailing | price-fixing or anti-competitive practices | 2022 | UK-CMA | £1,485,000 |
| Elite Sports Group Limited and Elite Corporation Limited | | | price-fixing or anti-competitive practices | 2022 | UK-CMA | £459,000 |
| Rangers Football Club Limited and Rangers International Football Club Plc | | | price-fixing or anti-competitive practices | 2022 | UK-CMA | £225,000 |
| Waitrose | John Lewis Partnership | retailing | price-fixing or anti-competitive practices | 2022 | UK-CMA | £0 |
| Pfizer Limited | Pfizer | pharmaceuticals | price-fixing or anti-competitive practices | 2022 | UK-CMA | £63,300,000 |
| Flynn Pharma Limited | | | price-fixing or anti-competitive practices | 2022 | UK-CMA | £6,704,422 |
| Glencore Energy (UK) Ltd | Glencore | financial services | bribery | 2022 | UK-SFO | £280,965,092 |
| Sepura | | | price-fixing or anti-competitive practices | 2022 | UK-OFCOM | £1,500,000 |
| Motorola Solutions UK Limited | Motorola Solutions | telecommunications | price-fixing or anti-competitive practices | 2022 | UK-OFCOM | £0 |
| Delta Gas and Power Limited | | | energy market violation | 2022 | UK-OFGEM | £57,000 |
| Delta Gas and Power Limited | | | consumer protection violation | 2022 | UK-OFGEM | £530,809 |
| Entain plc | Entain PLC | entertainment | bribery | 2023 | UK-HMRC | £615,000,000 |
| Marks and Spencer plc | Marks and Spencer Group PLC | retailing | price-fixing or anti-competitive practices | 2023 | UK-CMA | £0 |
| Wm Morrison Supermarkets Limited | Clayton Dubilier & Rice | private equity (including portfolio companies) | price-fixing or anti-competitive practices | 2023 | UK-CMA | £0 |
| Hafiz Bros Travel & Money Transfer Limited | | | price-fixing or anti-competitive practices | 2023 | UK-FCA | £11,200 |
| 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 |
| Copart, Inc. and CPRT LLP and Copart UK Ltd. | Copart Inc. | information services | price-fixing or anti-competitive practices | 2023 | UK-CMA | £2,500,000 |
| Dollar East (International Travel & Money Transfer) Ltd | | | price-fixing or anti-competitive practices | 2023 | UK-FCA | £3,600 |
| EP SHB Limited | | | energy market violation | 2023 | UK-OFGEM | £23,630,000 |
| Scottish Power | Iberdrola | utilities and power generation | energy market violation | 2023 | UK-OFGEM | £440,000 |
| British Gas | Centrica | utilities and power generation | energy market violation | 2023 | UK-OFGEM | £3,370,000 |
| OVO | | | energy market violation | 2023 | UK-OFGEM | £2,390,000 |
| Bulb | | | energy market violation | 2023 | UK-OFGEM | £1,830,000 |
| E.ON | E.ON | utilities and power generation | energy market violation | 2023 | UK-OFGEM | £1,720,000 |
| Scottish Power | Iberdrola | utilities and power generation | energy market violation | 2023 | UK-OFGEM | £1,240,000 |
| SSE | SSE PLC | utilities and power generation | energy market violation | 2023 | UK-OFGEM | £252,000 |
| Education Software Solutions Limited | | | price-fixing or anti-competitive practices | 2023 | UK-CMA | £0 |
| Motorola Solutions, Inc. | Motorola Solutions | telecommunications | price-fixing or anti-competitive practices | 2023 | UK-CMA | £0 |
| Erith Contractors Ltd and Erith Holdings Ltd | | | price-fixing or anti-competitive practices | 2023 | UK-CMA | £17,568,800 |
| Keltbray Ltd and Keltbray Holdings Ltd | | | price-fixing or anti-competitive practices | 2023 | UK-CMA | £16,000,000 |
| T. E. Scudder Ltd | | | price-fixing or anti-competitive practices | 2023 | UK-CMA | £8,256,264 |
| John F Hunt Ltd and John F Hunt Group Ltd | | | price-fixing or anti-competitive practices | 2023 | UK-CMA | £5,600,000 |
| McGee Group (Holdings) Ltd | | | price-fixing or anti-competitive practices | 2023 | UK-CMA | £3,766,278 |
| Brown and Mason Group Ltd | | | price-fixing or anti-competitive practices | 2023 | UK-CMA | £2,400,000 |
| Squibb Group Ltd. | | | price-fixing or anti-competitive practices | 2023 | UK-CMA | £2,000,000 |
| Cantillon Ltd and Cantillon Holdings Ltd | | | price-fixing or anti-competitive practices | 2023 | UK-CMA | £1,920,000 |
| DSM Demolition Ltd et al. | | | price-fixing or anti-competitive practices | 2023 | UK-CMA | £1,400,000 |
| Clifford Devlin Ltd | | | price-fixing or anti-competitive practices | 2023 | UK-CMA | £423,615 |
| Delta Gas and Power Limited | | | energy market violation | 2023 | UK-OFGEM | £70,000 |
| Drax Pumped Storage Limited | Drax Group PLC | utilities and power generation | energy market violation | 2023 | UK-OFGEM | £6,120,000 |
| 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 |
| Leicester City Football Club Limited | | | price-fixing or anti-competitive practices | 2023 | UK-CMA | £880,000 |
| JD Sports Fashion plc | JD Sports Fashion | retailing | price-fixing or anti-competitive practices | 2023 | UK-CMA | £0 |
| Asda Group Ltd | EG Group | retailing | price-fixing or anti-competitive practices | 2023 | UK-CMA | £30,000 |
| Copart, Inc.and CPRT LLP and Copart UK Limited | Copart Inc. | information services | price-fixing or anti-competitive practices | 2023 | UK-CMA | £25,000 |
| Morgan Stanley & Co. International plc | Morgan Stanley | financial services | energy market violation | 2023 | UK-OFGEM | £5,411,149 |
| SSE Generation Limited | SSE PLC | utilities and power generation | energy market violation | 2023 | UK-OFGEM | £9,780,000 |
| Auden Mckenzie and Actavis UK | Intas Pharmaceuticals Ltd. | pharmaceuticals | price-fixing or anti-competitive practices | 2023 | UK-CMA | £130,000,000 |
| Hillside (UK Sports) ENC | bet365 | entertainment | gambling industry violation | 2024 | UK-GC | £239,085 |
| Hillside (UK Gaming) ENC | bet365 | entertainment | gambling industry violation | 2024 | UK-GC | £343,035 |
| Dorenell Windfarm Limited | EDF-Electricite de France | utilities and power generation | energy market violation | 2024 | UK-OFGEM | £5,530,000 |
