| Nortel Group | Nortel Networks | telecommunications | employment-related offences | 2017 | UK-TPR | £1,000,000,000 |
| Airbus SE | Airbus | aerospace and military contracting | competition-related offences | 2020 | UK-SFO | £991,000,000 |
| Entain plc | Entain PLC | entertainment | competition-related offences | 2023 | UK-HMRC | £615,000,000 |
| Rolls-Royce PLC | Rolls-Royce | aerospace and military contracting | competition-related offences | 2017 | UK-SFO | £510,250,000 |
| AstraZeneca | AstraZeneca | pharmaceuticals | financial offences | 2010 | UK-HMRC | £505,000,000 |
| Taveta Investments Limited and Taveta Investments (No.2) Limited | Taveta Investments | diversified | employment-related offences | 2017 | UK-TPR | £343,000,000 |
| Link Fund Solutions | | | financial offences | 2024 | UK-FCA | £298,404,919 |
| Credit Suisse | UBS | financial services | financial offences | 2021 | UK-FCA | £292,209,276 |
| Barclays Bank plc | Barclays | financial services | competition-related offences | 2015 | UK-FCA | £284,432,000 |
| Glencore Energy (UK) Ltd | Glencore | financial services | competition-related offences | 2022 | UK-SFO | £280,965,092 |
| National Westminster Bank plc | NatWest Group PLC | financial services | financial offences | 2021 | UK-FCA | £264,772,619 |
| Coats Group plc | Coats Group PLC | miscellaneous manufacturing | employment-related offences | 2017 | UK-TPR | £255,500,000 |
| UBS AG | UBS | financial services | competition-related offences | 2014 | UK-FCA | £233,814,000 |
| Deutsche Bank AG | Deutsche Bank | financial services | competition-related offences | 2015 | UK-FCA | £226,800,000 |
| Citibank N.A. | Citigroup | financial services | competition-related offences | 2014 | UK-FCA | £225,575,000 |
| JPMorgan Chase Bank N.A. | JPMorgan Chase | financial services | competition-related offences | 2014 | UK-FCA | £222,166,000 |
| The Royal Bank of Scotland plc | NatWest Group PLC | financial services | competition-related offences | 2014 | UK-FCA | £217,000,000 |
| HSBC Bank plc | HSBC | financial services | competition-related offences | 2014 | UK-FCA | £216,363,000 |
| H2O AM LLP | | | financial offences | 2024 | UK-FCA | £213,070,000 |
| Virgin Holidays Ltd and Virgin Atlantic Airways Ltd. and Virgin Atlantic Ltd. | Virgin Group | diversified | consumer-protection-related offences | 2020 | UK-CMA | £203,000,000 |
| Deutsche Bank AG | Deutsche Bank | financial services | financial offences | 2017 | UK-FCA | £163,076,224 |
| UBS AG | UBS | financial services | competition-related offences | 2012 | UK-FSA | £160,000,000 |
| National Grid Electricity Transmission plc and Scottish Power Transmission plc | National Grid | utilities and power generation | consumer-protection-related offences | 2021 | UK-OFGEM | £158,000,000 |
| JPMorgan Chase Bank N.A. | JPMorgan Chase | financial services | financial offences | 2013 | UK-FCA | £137,610,000 |
| Tesco Stores Limited | Tesco PLC | retailing | financial offences | 2019 | UK-SFO | £132,000,000 |
| Google | Alphabet Inc. | information technology | financial offences | 2016 | UK-HMRC | £130,000,000 |
| Accord-UK | Intas Pharmaceuticals Ltd. | pharmaceuticals | competition-related offences | 2021 | UK-CMA | £130,000,000 |
| Auden Mckenzie and Actavis UK | Intas Pharmaceuticals Ltd. | pharmaceuticals | competition-related offences | 2023 | UK-CMA | £130,000,000 |
| Southern Water | Macquarie | financial services | consumer-protection-related offences | 2019 | UK-OFWAT | £126,000,000 |
| The Bank of New York Mellon International Limited et al. | Bank of New York Mellon | financial services | financial offences | 2015 | UK-FCA | £126,000,000 |
| Thames Water Utilities Limited | Thames Water Utilities Ltd. | utilities and power generation | consumer-protection-related offences | 2018 | UK-OFWAT | £120,000,000 |
| Lloyds Bank plc and Bank of Scotland plc and Black Horse Limited | Lloyds Banking Group | financial services | consumer-protection-related offences | 2015 | UK-FCA | £117,430,600 |
| British Telecommunications plc | BT | telecommunications | competition-related offences | 2012 | UK-OFCOM | £117,042,000 |
| Santander UK Plc | Banco Santander | financial services | financial offences | 2022 | UK-FCA | £107,793,300 |
| Cooperatieve Centrale Raiffeisen-Boerenleenbank B.A. | Rabobank | financial services | competition-related offences | 2013 | UK-FCA | £105,000,000 |
| Lloyds Bank plc and Bank of Scotland plc | Lloyds Banking Group | financial services | competition-related offences | 2014 | UK-FCA | £105,000,000 |
| Amec Foster Wheeler Limited | Wood Group | oilfield services and supplies | competition-related offences | 2021 | UK-SFO | £103,000,000 |
| TSB Bank plc | Banco de Sabadell | financial services | consumer-protection-related offences | 2024 | UK-FCA | £102,633,093 |
| Standard Chartered Bank | Standard Chartered | financial services | financial offences | 2019 | UK-FCA | £102,163,200 |
| Yorkshire Water | Kelda Group | utilities and power generation | consumer-protection-related offences | 2022 | UK-OFWAT | £100,000,000 |
| Serco Geografix Ltd | Serco Group | miscellaneous services | competition-related offences | 2019 | UK-SFO | £91,400,000 |
| Lloyds Bank General Insurance Limited | Lloyds Banking Group | financial services | consumer-protection-related offences | 2021 | UK-FCA | £90,688,400 |
| SOUTHERN WATER SERVICES LTD | Macquarie | financial services | environment-related offences | 2021 | UK-EA | £90,000,000 |
| The Royal Bank of Scotland plc | NatWest Group PLC | financial services | competition-related offences | 2013 | UK-FSA | £87,500,000 |
| Credit Suisse International and Credit Suisse Securities (Europe) Ltd | UBS | financial services | financial offences | 2023 | UK-PRA | £87,082,000 |
| Petrofac Limited | Petrofac Limited | oilfield services and supplies | competition-related offences | 2021 | UK-SFO | £77,034,625 |
| Coats Group plc | Coats Group PLC | miscellaneous manufacturing | employment-related offences | 2017 | UK-TPR | £74,000,000 |
| Barclays Bank plc | Barclays | financial services | financial offences | 2015 | UK-FCA | £72,069,400 |
| Lloyds Bank plc and Bank of Scotland plc and The Mortgage Business plc | Lloyds Banking Group | financial services | consumer-protection-related offences | 2020 | UK-FCA | £64,046,800 |
| HSBC Bank plc | HSBC | financial services | financial offences | 2021 | UK-FCA | £63,946,800 |
| Pfizer Limited | Pfizer | pharmaceuticals | competition-related offences | 2022 | UK-CMA | £62,370,000 |
| Chemtura Corp. and Chemtura Manufacturing UK Ltd. | Lanxess | chemicals | employment-related offences | 2011 | UK-TPR | £60,000,000 |
| Barclays Bank plc | Barclays | financial services | competition-related offences | 2012 | UK-FSA | £59,500,000 |
| British Airways | International Airlines Group | airlines | competition-related offences | 2012 | UK-OFT | £58,500,000 |
| HSBC Bank plc and HSBC UK Bank plc | HSBC | financial services | financial offences | 2024 | UK-PRA | £57,417,500 |
| Flybe Limited | Flybe Limited | airlines | environment-related offences | 2020 | UK-EA | £51,885,049 |
| Facebook | Meta Platforms Inc. | information technology | competition-related offences | 2021 | UK-CMA | £50,500,000 |
| Royal Mail plc | International Distributions Services PLC | miscellaneous services | competition-related offences | 2018 | UK-OFCOM | £50,000,000 |
| Goldman Sachs International | Goldman Sachs | financial services | financial offences | 2020 | UK-PRA | £48,308,400 |
| Goldman Sachs International | Goldman Sachs | financial services | financial offences | 2020 | UK-FCA | £48,308,400 |
| Monarch Airlines Limited | Monarch Airlines Limited | airlines | environment-related offences | 2020 | UK-EA | £48,154,044 |
| Standard Chartered Bank | Standard Chartered | financial services | financial offences | 2021 | UK-PRA | £46,550,000 |
| Bank of Scotland | Lloyds Banking Group | financial services | financial offences | 2019 | UK-FCA | £45,500,000 |
| G4S Care and Justice Services (UK) Ltd | Allied Universal Security Services | business services | competition-related offences | 2020 | UK-SFO | £44,400,000 |
| Cadent Gas Limited | Cadent Gas Limited | utilities and power generation | competition-related offences | 2019 | UK-OFGEM | £44,000,000 |
| Citigroup Global Markets Limited, Citibank N.A. London branch and Citibank Europe Plc UK branch | Citigroup | financial services | financial offences | 2019 | UK-PRA | £43,890,000 |
| British Telecommunications plc | BT | telecommunications | competition-related offences | 2017 | UK-OFCOM | £42,000,000 |
| Royal Bank of Scotland Plc and National Westminster Bank Plc and Ulster Bank Plc | NatWest Group PLC | financial services | financial offences | 2014 | UK-FCA | £42,000,000 |
| Advanz Pharma | Nordic Capital | private equity (including portfolio companies) | competition-related offences | 2021 | UK-CMA | £40,900,000 |
| Welsh Water | Dwr Cymru Cyfyngedig (Welsh Water) | utilities and power generation | consumer-protection-related offences | 2024 | UK-OFWAT | £40,000,000 |
| Commerzbank AG | Commerzbank | financial services | financial offences | 2020 | UK-FCA | £37,805,400 |
| Barclays Bank plc | Barclays | financial services | financial offences | 2014 | UK-FCA | £37,745,000 |
| InterGen | | | competition-related offences | 2020 | UK-OFGEM | £37,200,000 |
| Cinven | Cinven Group | private equity (including portfolio companies) | competition-related offences | 2021 | UK-CMA | £37,100,000 |
| Merrill Lynch International | Bank of America | financial services | financial offences | 2017 | UK-FCA | £34,524,000 |
| Goldman Sachs International | Goldman Sachs | financial services | financial offences | 2019 | UK-FCA | £34,344,700 |
| Citigroup Global Markets Limited | Citigroup | financial services | financial offences | 2024 | UK-PRA | £33,880,000 |
| J.P. Morgan Securities Ltd. | JPMorgan Chase | financial services | financial offences | 2010 | UK-FSA | £33,320,000 |
| Beatrice Offshore Windfarm Limited | | | competition-related offences | 2024 | UK-OFGEM | £33,140,000 |
| Serco Limited | Serco Group | miscellaneous services | employment-related offences | 2014 | UK-TPR | £33,000,000 |
| Santander UK plc | Banco Santander | financial services | financial offences | 2018 | UK-FCA | £32,817,800 |
| Thomas Cook Airlines Limited | | | environment-related offences | 2020 | UK-EA | £32,137,926 |
| Mastercard | MasterCard | financial services | competition-related offences | 2022 | UK-PSR | £31,560,062 |
| Standard Life Assurance Limited | Phoenix Group Holdings PLC | financial services | financial offences | 2019 | UK-FCA | £30,792,500 |
| HomeServe Membership Limited | Brookfield Corporation | diversified | consumer-protection-related offences | 2014 | UK-FCA | £30,647,400 |
| GPT Special Project Management Ltd/Airbus | Airbus | aerospace and military contracting | competition-related offences | 2021 | UK-SFO | £30,324,920 |
| Barclays plc | Barclays | financial services | financial offences | 2024 | UK-FCA | £30,000,000 |
| BAE Systems plc | BAE Systems | aerospace and military contracting | competition-related offences | 2010 | UK-SFO | £30,000,000 |
| TSB Bank plc | Banco de Sabadell | financial services | financial offences | 2022 | UK-FCA | £29,750,000 |
| UBS AG | UBS | financial services | financial offences | 2012 | UK-FSA | £29,700,000 |
| The Carphone Warehouse Limited | Currys PLC | retailing | consumer-protection-related offences | 2019 | UK-FCA | £29,107,600 |
| Starling Bank Limited | | | financial offences | 2024 | UK-FCA | £28,959,426 |
| Royal Bank of Scotland Group plc | NatWest Group PLC | financial services | competition-related offences | 2011 | UK-OFT | £28,590,000 |
| Lloyds Bank plc and Bank of Scotland plc | Lloyds Banking Group | financial services | financial offences | 2013 | UK-FCA | £28,038,800 |
| Citigroup Global Markets Limited | Citigroup | financial services | financial offences | 2024 | UK-FCA | £27,766,200 |
| UBS AG | UBS | financial services | financial offences | 2019 | UK-FCA | £27,599,400 |
| Rio Tinto plc | Rio Tinto | mining and minerals | financial offences | 2017 | UK-FCA | £27,385,400 |
| Volkswagen Financial Services (UK) Limited | Volkswagen | motor vehicles | consumer-protection-related offences | 2024 | UK-FCA | £26,897,600 |
| Barclays Bank UK PLC and Barclays Bank PLC and Clydesdale Financial Services Ltd. | Barclays | financial services | consumer-protection-related offences | 2020 | UK-FCA | £26,056,400 |
| Barclays Bank plc | Barclays | financial services | financial offences | 2014 | UK-FCA | £26,033,500 |
