| Care UK Health and Social Care Holdings Ltd et al. | Bridgepoint Group PLC | private equity (including portfolio companies) | consumer protection violation | 2019 | UK-CMA | £0 |
| Fremantle Trust | | | consumer protection violation | 2019 | UK-CMA | £0 |
| Hallmark Care Homes Group Holdings Limited et al. | | | consumer protection violation | 2019 | UK-CMA | £0 |
| Jim Chapman Limited | | | consumer protection violation | 2019 | UK-CMA | £0 |
| Louise Thompson Associates Limited | | | consumer protection violation | 2019 | UK-CMA | £0 |
| M McKenna Limited | | | consumer protection violation | 2019 | UK-CMA | £0 |
| Rosia Promotions Limited | | | consumer protection violation | 2019 | UK-CMA | £0 |
| viagogo AG | | | consumer protection violation | 2018 | UK-CMA | £0 |
| Lloyds Banking Group | Lloyds Banking Group | financial services | insurance violation | 2018 | UK-CMA | £0 |
| Jumpman Gaming Limited | | | consumer protection violation | 2018 | UK-CMA | £0 |
| Progress Play Limited | | | consumer protection violation | 2018 | UK-CMA | £0 |
| Barclays Bank UK plc | Barclays | financial services | insurance violation | 2018 | UK-CMA | £0 |
| Daligas Ltd. | | | consumer protection violation | 2018 | UK-CMA | £0 |
| Venntro Media Group Limited | | | consumer protection violation | 2018 | UK-CMA | £0 |
| Sunrise Senior Living Ltd. | | | consumer protection violation | 2018 | UK-CMA | £2,000,000 |
| Ticketmaster UK Limited | Live Nation Entertainment | entertainment | consumer protection violation | 2018 | UK-CMA | £0 |
| Affordable Car Hire Limited | | | consumer protection violation | 2018 | UK-CMA | £0 |
| Flexiblecarhire.com Limited | | | consumer protection violation | 2018 | UK-CMA | £0 |
| P&P Associates Limited | | | consumer protection violation | 2018 | UK-CMA | £0 |
| BGO Entertainment Ltd. | | | consumer protection violation | 2018 | UK-CMA | £0 |
| Ladbrokes Betting & Gaming Limited | Entain PLC | entertainment | consumer protection violation | 2018 | UK-CMA | £0 |
| PT Entertainment Services Limited | | | consumer protection violation | 2018 | UK-CMA | £0 |
| WHG (International) Ltd dba William Hill | 888 Holdings PLC | entertainment | consumer protection violation | 2018 | UK-CMA | £0 |
| Maria Mallaband Care Group | | | consumer protection violation | 2018 | UK-CMA | £0 |
| Kettering General Hospital NHS Foundation Trust | | | consumer protection violation | 2017 | UK-CMA | £0 |
| Northern Health and Social Care Trust | | | consumer protection violation | 2017 | UK-CMA | £0 |
| Royal Devon and Exeter NHS Foundation Trust | | | consumer protection violation | 2017 | UK-CMA | £0 |
| Salford Royal NHS Foundation Trust | | | consumer protection violation | 2017 | UK-CMA | £0 |
| Sandwell and Birmingham Hospitals NHS Trust | | | consumer protection violation | 2017 | UK-CMA | £0 |
| Taunton and Somerset NHS Foundation Trust | | | consumer protection violation | 2017 | UK-CMA | £0 |
| Western Health and Social Care Trust | | | consumer protection violation | 2017 | UK-CMA | £0 |
| Airbnb Ireland UC | | | consumer protection violation | 2017 | UK-CMA | £0 |
| Amazon Media EU S.a.r.l. | Amazon.com | retailing | consumer protection violation | 2017 | UK-CMA | £0 |
| Apple Distribution International | | | consumer protection violation | 2017 | UK-CMA | £0 |
| Microsoft Corporation | Microsoft | information technology | consumer protection violation | 2017 | UK-CMA | £0 |
| University of East Anglia | | | consumer protection violation | 2017 | UK-CMA | £0 |
| Aviva | Aviva PLC | financial services | insurance violation | 2017 | UK-CMA | £0 |
| Lloyds Banking Group | Lloyds Banking Group | financial services | insurance violation | 2017 | UK-CMA | £0 |
| CIS General Insurance Ltd. dba Co-op Insurance | | | insurance violation | 2017 | UK-CMA | £0 |
| Santander UK plc | Banco Santander | financial services | insurance violation | 2016 | UK-CMA | £0 |
| University of Glasgow | | | consumer protection violation | 2016 | UK-CMA | £0 |
| British Telecommunications plc | BT | telecommunications | consumer protection violation | 2016 | UK-CMA | £0 |
| Dropbox Inc. and Dropbox Ireland | | | consumer protection violation | 2016 | UK-CMA | £0 |
| Google Inc. | Alphabet Inc. | information technology | consumer protection violation | 2016 | UK-CMA | £0 |
| Mozy International Limited | | | consumer protection violation | 2016 | UK-CMA | £0 |
| Social Chain Ltd. | | | consumer protection violation | 2016 | UK-CMA | £0 |
| Woolovers Limited | | | consumer protection violation | 2016 | UK-CMA | £0 |
| Birkbeck College, University of London | | | consumer protection violation | 2016 | UK-CMA | £0 |
| Buckinghamshire New University | | | consumer protection violation | 2016 | UK-CMA | £0 |
| University of Buckingham | | | consumer protection violation | 2016 | UK-CMA | £0 |
| Dixons Carphone plc | Currys PLC | retailing | consumer protection violation | 2016 | UK-CMA | £0 |
| JDI Backup Limited dba JustCloud | | | consumer protection violation | 2016 | UK-CMA | £0 |
| Livedrive Internet Ltd | | | consumer protection violation | 2016 | UK-CMA | £0 |
| Barclays Bank UK plc | Barclays | financial services | insurance violation | 2016 | UK-CMA | £0 |
| MYJAR Ltd. | | | consumer protection violation | 2016 | UK-CMA | £0 |
| Starcom Worldwide Ltd. | | | consumer protection violation | 2016 | UK-CMA | £0 |
| TAN Media Ltd. | | | consumer protection violation | 2016 | UK-CMA | £0 |
| Care Opinion | | | consumer protection violation | 2016 | UK-CMA | £0 |
| Carehome.co.uk | | | consumer protection violation | 2016 | UK-CMA | £0 |
| Checkatrade | | | consumer protection violation | 2016 | UK-CMA | £0 |
| Most Recommended Care | | | consumer protection violation | 2016 | UK-CMA | £0 |
| Trustatrader | | | consumer protection violation | 2016 | UK-CMA | £0 |
| University College London | | | consumer protection violation | 2015 | UK-CMA | £0 |
| Avis Budget | Avis Budget Group | miscellaneous services | consumer protection violation | 2015 | UK-CMA | £0 |
| Enterprise Rent-a-Car | Enterprise Holdings | miscellaneous services | consumer protection violation | 2015 | UK-CMA | £0 |
| Europcar | | | consumer protection violation | 2015 | UK-CMA | £0 |
| Hertz | Hertz | miscellaneous services | consumer protection violation | 2015 | UK-CMA | £0 |
| Sixt | | | consumer protection violation | 2015 | UK-CMA | £0 |
| Truly Holdings Ltd | | | consumer protection violation | 2021 | UK-CMA | £0 |
| NewDay Ltd. | NewDay Limited | financial services | consumer protection violation | 2021 | UK-CMA | £0 |
| Groupon, Inc. and MyCityDeal Ltd. and Groupon Goods Global GmbH. | Groupon | information technology | consumer protection violation | 2021 | UK-CMA | £0 |
| Countryside Properties | Vistry Group PLC | construction and engineering | consumer protection violation | 2021 | UK-CMA | £0 |
| Dar Lighting Ltd and Castlegate 624 | | | price-fixing or anti-competitive practices | 2022 | UK-CMA | £1,500,000 |
| Barclays Bank UK plc | Barclays | financial services | consumer protection violation | 2022 | UK-CMA | £0 |
| Lloyds Banking Group plc | Lloyds Banking Group | financial services | consumer protection violation | 2022 | UK-CMA | £0 |
| Adriatic Land 3 Limited | | | consumer protection violation | 2022 | UK-CMA | £0 |
| Brigante Properties Limited | | | consumer protection violation | 2022 | UK-CMA | £0 |
| Chris Allnutt and Co. Management Limited | | | consumer protection violation | 2022 | UK-CMA | £0 |
| Claycourt Limited | | | consumer protection violation | 2022 | UK-CMA | £0 |
| Great Places Housing Association | | | consumer protection violation | 2022 | UK-CMA | £0 |
| London and Quadrant Housing Trust | London & Quadrant Group | miscellaneous services | consumer protection violation | 2022 | UK-CMA | £0 |
| Mann Island Properties Limited | | | consumer protection violation | 2022 | UK-CMA | £0 |
| Notting Hill Genesis | Notting Hill Genesis | miscellaneous services | consumer protection violation | 2022 | UK-CMA | £0 |
| Penult 101 Limited | | | consumer protection violation | 2022 | UK-CMA | £0 |
| Poplar Housing and Regeneration Community Association Limited | | | consumer protection violation | 2022 | UK-CMA | £0 |
| RG Reversions 2014 Limited | | | consumer protection violation | 2022 | UK-CMA | £0 |
| RMB 102 Limited | | | consumer protection violation | 2022 | UK-CMA | £0 |
| SF Ground Rents No 15 Limited | | | consumer protection violation | 2022 | UK-CMA | £0 |
| Tapestart Limited | | | consumer protection violation | 2022 | UK-CMA | £0 |
| Weathercourt Limited | | | consumer protection violation | 2022 | UK-CMA | £0 |
| The London Clinic | | | consumer protection violation | 2022 | UK-CMA | £0 |
| Gridserve Holdings Limited | | | price-fixing or anti-competitive practices | 2022 | UK-CMA | £0 |
| Truly Travel Ltd and Alpha Holidays Ltd | | | consumer protection violation | 2022 | UK-CMA | £0 |
| Barclays Bank UK plc | Barclays | financial services | consumer protection violation | 2022 | UK-CMA | £0 |
| Tesco Bank | Tesco PLC | retailing | consumer protection violation | 2022 | UK-CMA | £0 |
| Monzo Bank Ltd | | | consumer protection violation | 2022 | UK-CMA | £0 |
| Tesco Bank | Tesco PLC | retailing | consumer protection violation | 2022 | UK-CMA | £0 |
| Microsoft Limited and Microsoft Ireland Operations Limited | Microsoft | information technology | consumer protection violation | 2022 | UK-CMA | £0 |
| Dante Labs S.r.l. and Dante Labs Inc. | | | consumer protection violation | 2022 | UK-CMA | £0 |
| Taylor Wimpey plc | Taylor Wimpey PLC | construction and engineering | consumer protection violation | 2021 | UK-CMA | £0 |
| Monzo Bank Ltd. | | | consumer protection violation | 2022 | UK-CMA | £0 |
