| Salegroup Limited (The) | | | price-fixing or anti-competitive practices | 2019 | UK-OFCOM | £40,000 |
| GNERGYLimited | | | energy market violation | 2019 | UK-OFGEM | £673,876 |
| Engie Global Markets | Engie | utilities and power generation | energy market manipulation | 2019 | UK-OFGEM | £2,128,236 |
| Hudson Energy Supply UK Ltd. | | | consumer protection violation | 2019 | UK-OFGEM | £350,000 |
| EPEX Spot SE and EEX | | | price-fixing or anti-competitive practices | 2019 | UK-OFGEM | £0 |
| E (Gas and Electricity) Ltd | | | price-fixing or anti-competitive practices | 2019 | UK-OFGEM | £650,000 |
| Economy Energy Trading Ltd | | | price-fixing or anti-competitive practices | 2019 | UK-OFGEM | £200,000 |
| Dyball Associates | | | price-fixing or anti-competitive practices | 2019 | UK-OFGEM | £20,000 |
| iSupply Energy | | | consumer protection violation | 2019 | UK-OFGEM | £28,183 |
| URE Energy Limited | | | energy market violation | 2019 | UK-OFGEM | £209,013 |
| SSE Energy Services | OVO Energy | utilities and power generation | consumer protection violation | 2019 | UK-OFGEM | £4,775,705 |
| Guralp Systems Ltd | | | bribery | 2019 | UK-SFO | £2,069,861 |
| Alstom Network UK Ltd | Alstom | miscellaneous energy products and systems | bribery | 2019 | UK-SFO | £16,400,000 |
| Sarclad Ltd | | | bribery | 2019 | UK-SFO | £6,553,085 |
| FH Bertling Ltd | | | bribery | 2019 | UK-SFO | £850,000 |
| Utilita Energy | | | energy market violation | 2019 | UK-OFGEM | £175,000 |
| Cadent Gas Limited | Cadent Gas Limited | utilities and power generation | energy market violation | 2019 | UK-OFGEM | £44,000,000 |
| SSE Energy Services | OVO Energy | utilities and power generation | energy market violation | 2019 | UK-OFGEM | £700,000 |
| SSE Plc | SSE PLC | utilities and power generation | energy market violation | 2019 | UK-OFGEM | £705,000 |
| FP McCann Limited | FP McCann Limited | construction and engineering | price-fixing or anti-competitive practices | 2020 | UK-CMA | £25,449,676 |
| Essential Pharma | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £0 |
| Mabey Hire Ltd | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £0 |
| Vp plc | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £11,235,660 |
| M.G.F (Trench Construction Systems) Ltd | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £3,773,910 |
| Hanson UK | HeidelbergCement | building materials | price-fixing or anti-competitive practices | 2020 | UK-CMA | £0 |
| H.J. Enthoven Limited and Eco-Bat Technologies Limited | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £8,076,504 |
| Associated Lead Mills Limited and Royston Sheet Lead Limited and International Metal Industries Limited | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £1,510,228 |
| Yamaha Music Europe GmbH | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £0 |
| 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 |
| Amilco Ltd. | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £0 |
| Aspen Pharmacare Holdings Ltd. et al. | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £10,101,954 |
| Tiofarma Beheer B.V. and Tiofarma B.V. | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £186,442 |
| Spire Healthcare Ltd. and Spire Healthcare Group plc | Spire Healthcare PLC | healthcare services | price-fixing or anti-competitive practices | 2020 | UK-CMA | £1,200,000 |
| Korg (UK) Ltd. and Korg Inc. | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £1,504,707 |
| Auden Mckenzie (Pharma Division) Ltd. and Accord-UK Ltd. | Intas Pharmaceuticals Ltd. | pharmaceuticals | price-fixing or anti-competitive practices | 2020 | UK-CMA | £2,882,238 |
| Alissa Healthcare Research Ltd. | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £174,912 |
| 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 |
| Tesco plc | Tesco PLC | retailing | price-fixing or anti-competitive practices | 2020 | UK-CMA | £0 |
| Fender Musical Instruments Europe Ltd. and Fender Musical Instruments Corp. | | | price-fixing or anti-competitive practices | 2020 | UK-CMA | £4,531,185 |
| BT Group plc | BT | telecommunications | price-fixing or anti-competitive practices | 2020 | UK-OFCOM | £6,300,000 |
| Robin Hood Energy Limited | | | energy market violation | 2020 | UK-OFGEM | £12,091,824 |
| iSupply Energy | | | consumer protection violation | 2020 | UK-OFGEM | £520,539 |
| British Gas | Centrica | utilities and power generation | consumer protection violation | 2020 | UK-OFGEM | £1,728,070 |
| Bulb | | | consumer protection violation | 2020 | UK-OFGEM | £1,757,837 |
| E (Gas and Electricity) Limited | | | consumer protection violation | 2020 | UK-OFGEM | £0 |
| iSupply | | | consumer protection violation | 2020 | UK-OFGEM | £1,500,000 |
| Hudson Energy Supply UK Ltd | | | consumer protection violation | 2020 | UK-OFGEM | £750,000 |
| EDF Energy | EDF-Electricite de France | utilities and power generation | consumer protection violation | 2020 | UK-OFGEM | £3,237 |
| Hornsea 1 Limited | | | energy market violation | 2020 | UK-OFGEM | £4,500,000 |
| RWE Generation UK plc | RWE AG | utilities and power generation | energy market violation | 2020 | UK-OFGEM | £4,500,000 |
| Eastern Power Networks plc and South Eastern Power Networks plc | | | energy market violation | 2020 | UK-OFGEM | £1,500,000 |
| Airline Services Limited | | | bribery | 2020 | UK-SFO | £2,979,685 |
| Airbus SE | Airbus | aerospace and military contracting | bribery | 2020 | UK-SFO | £991,000,000 |
| EDF Energy (Thermal Generation) Limited | EDF-Electricite de France | utilities and power generation | energy market violation | 2020 | UK-OFGEM | £6,000,000 |
| Nabuh Energy Ltd | | | energy market violation | 2020 | UK-OFGEM | £2,683,631 |
| Symbio Energy Limited | | | energy market violation | 2020 | UK-OFGEM | £506,308 |
| SSE Generation Limited | SSE PLC | utilities and power generation | energy market violation | 2020 | UK-OFGEM | £2,060,000 |
| SSE Energy Services | OVO Energy | utilities and power generation | energy market violation | 2020 | UK-OFGEM | £1,200,000 |
| InterGen | | | energy market violation | 2020 | UK-OFGEM | £37,200,000 |
| Advanz Pharma | Nordic Capital | private equity (including portfolio companies) | price-fixing or anti-competitive practices | 2021 | UK-CMA | £40,900,000 |
| Waymade Plc | | | price-fixing or anti-competitive practices | 2021 | UK-CMA | £2,500,000 |
| Bank of Ireland UK plc | Bank of Ireland | financial services | banking violation | 2021 | UK-CMA | £0 |
| Monzo Bank Limited | | | banking violation | 2021 | UK-CMA | £0 |
| NatWest Group | NatWest Group PLC | financial services | banking violation | 2021 | UK-CMA | £0 |
| Assist UK Group Limited | | | consumer protection violation | 2021 | UK-FCA | £0 |
| Consumer Money Worries Ltd | | | consumer protection violation | 2021 | UK-FCA | £0 |
| Debt Help Limited | | | consumer protection violation | 2021 | UK-FCA | £0 |
| Faith Financial Solutions Ltd | | | consumer protection violation | 2021 | UK-FCA | £0 |
| Two Financial Services Limited | | | consumer protection violation | 2021 | UK-FCA | £0 |
| Crosfill & Archer Claims Limited | | | privacy violation | 2021 | UK-FCA | £110,000 |
| ICC Intercertus Capital Ltd | | | investor protection violation | 2021 | UK-FCA | £0 |
| Sapien Capital Ltd | | | investor protection violation | 2021 | UK-FCA | £178,000 |
| Alsford Page & Gems Limited | | | consumer protection violation | 2021 | UK-FCA | £399,902 |
| Finteractive Limited (trading as FXVC) | | | investor protection violation | 2021 | UK-FCA | £0 |
| Premier FX Limited | | | consumer protection violation | 2021 | UK-FCA | £0 |
| Virgin Money UK plc | Virgin Money UK PLC | financial services | banking violation | 2021 | UK-CMA | £0 |
| Roland (U.K.) Limited and Roland Corp. | | | price-fixing or anti-competitive practices | 2021 | UK-CMA | £5,004,151 |
| Lexon (UK) Limited | Bestway Healthcare | healthcare services | price-fixing or anti-competitive practices | 2021 | UK-CMA | £1,220,383 |
| Avro Energy | | | energy market violation | 2021 | UK-OFGEM | £30,000 |
| Entice Energy | | | energy market violation | 2021 | UK-OFGEM | £20,000 |
| National Grid Electricity System Operator Limited | National Grid | utilities and power generation | energy market violation | 2021 | UK-OFGEM | £1,500,000 |
| Symbio Energy Limited | | | energy market violation | 2021 | UK-OFGEM | £100,000 |
| E.ON | E.ON | utilities and power generation | consumer protection violation | 2021 | UK-OFGEM | £682,351 |
| SSE Energy Services | OVO Energy | utilities and power generation | energy market violation | 2021 | UK-OFGEM | £20,000 |
| British Gas/ Centrica | Centrica | utilities and power generation | consumer protection violation | 2021 | UK-OFGEM | £1,660,272 |
| Amec Foster Wheeler Limited | Wood Group | oilfield services and supplies | bribery | 2021 | UK-SFO | £103,000,000 |
| GPT Special Project Management Ltd/Airbus | Airbus | aerospace and military contracting | bribery | 2021 | UK-SFO | £30,324,920 |
| Symbio Energy Limited | | | consumer protection violation | 2021 | UK-OFGEM | £0 |
| Petrofac Limited | Petrofac Limited | oilfield services and supplies | bribery | 2021 | UK-SFO | £77,034,625 |
| Facebook | Meta Platforms Inc. | information technology | price-fixing or anti-competitive practices | 2021 | UK-CMA | £50,500,000 |
| Whoop Energy | | | energy market violation | 2021 | UK-OFGEM | £56,306 |
| ION Investment Group Limited and ION Trading Technologies Limited | | | price-fixing or anti-competitive practices | 2021 | UK-CMA | £325,000 |
| Utility Warehouse | Telecom Plus PLC | utilities and power generation | consumer protection violation | 2021 | UK-OFGEM | £1,500,000 |
| Ampoweruk | | | energy market violation | 2021 | UK-OFGEM | £3,590,237 |
| ESB Independent Generation Trading Limited and Carrington Power Limited | | | energy market violation | 2021 | UK-OFGEM | £6,000,000 |
| PayPoint Plc | PayPoint Group | financial services | energy market violation | 2021 | UK-OFGEM | £12,500,000 |
| National Grid Electricity Transmission plc and Scottish Power Transmission plc | National Grid | utilities and power generation | consumer protection violation | 2021 | UK-OFGEM | £158,000,000 |
| Cinven | Cinven Group | private equity (including portfolio companies) | price-fixing or anti-competitive practices | 2021 | UK-CMA | £37,100,000 |
| HGCapital | Hg Capital | private equity (including portfolio companies) | price-fixing or anti-competitive practices | 2021 | UK-CMA | £6,200,000 |
| Rail Assessment Centre Forum (RACF) | | | price-fixing or anti-competitive practices | 2022 | UK-ORR | £0 |
