| Ernst & Young LLP | Ernst & Young | business services | accounting fraud or deficiencies | 2015 | UK-ICAEW | £345,000 |
| Winchester Services Ltd | | | tax violations | 2024 | UK-HMRC | £344,888 |
| Majestic NW Limited | | | tax violations | 2024 | UK-HMRC | £338,963 |
| Meera Catering Ltd dba Meera Caterers | | | tax violations | 2018 | UK-HMRC | £337,783 |
| Wilok’s International | | | tax violations | 2023 | UK-HMRC | £332,573 |
| A G Plant Hire Limited | | | tax violations | 2016 | UK-HMRC | £331,223 |
| Parwaz Money Exchange Limited MSB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £330,594 |
| Deloitte LLP | Deloitte | business services | accounting fraud or deficiencies | 2022 | UK-FRC | £330,000 |
| Nachi Ltd | | | tax violations | 2019 | UK-HMRC | £329,505 |
| Global SFX Ltd | | | tax violations | 2017 | UK-HMRC | £329,369 |
| Kkrol Ltd | | | tax violations | 2023 | UK-HMRC | £327,463 |
| OPP Group Ltd | | | tax violations | 2021 | UK-HMRC | £325,707 |
| Timer Construction Ltd | | | tax violations | 2017 | UK-HMRC | £323,542 |
| McDouglas Developments Ltd | | | tax violations | 2018 | UK-HMRC | £321,584 |
| Beaumont Contracts Ltd. fka Linton Contractors Ltd and Linton Decorators Ltd | | | tax violations | 2019 | UK-HMRC | £318,746 |
| Celtic Carriers Limited | | | tax violations | 2016 | UK-HMRC | £318,408 |
| Services A-Z Ltd | | | tax violations | 2022 | UK-HMRC | £316,602 |
| Willows Construction Services Ltd. | | | tax violations | 2016 | UK-HMRC | £315,928 |
| Trademotors Limited | | | tax violations | 2021 | UK-HMRC | £315,219 |
| Besso Limited | Ardonagh Group | financial services | investor protection violation | 2014 | UK-FCA | £315,000 |
| Parazitu Solutions Ltd | | | tax violations | 2021 | UK-HMRC | £314,124 |
| Gurmail Construction Ltd | | | tax violations | 2023 | UK-HMRC | £312,400 |
| Fiston Limited fka Hadleigh Fast Food | | | tax violations | 2022 | UK-HMRC | £311,635 |
| Enviro Solutions (Yorkshire) Limited | | | tax violations | 2020 | UK-HMRC | £310,953 |
| Oatfield Developments Ltd | | | tax violations | 2020 | UK-HMRC | £309,846 |
| Karam Express | | | tax violations | 2018 | UK-HMRC | £309,707 |
| Omega Plus Ltd dba Dynasty Chinese | | | tax violations | 2018 | UK-HMRC | £307,725 |
| FTU Pod Trans | | | tax violations | 2021 | UK-HMRC | £307,045 |
| Delta Force Guarding Ltd | | | tax violations | 2023 | UK-HMRC | £306,703 |
| Hargreave Hale Ltd | | | insider trading | 2019 | UK-FCA | £306,300 |
| Shawty Trading Ltd | | | tax violations | 2019 | UK-HMRC | £304,184 |
| Swift Insulation & Construction Ltd | | | tax violations | 2022 | UK-HMRC | £303,911 |
| MDIS Construction Ltd | | | tax violations | 2023 | UK-HMRC | £302,577 |
| Inspiron Networks Ltd | | | tax violations | 2023 | UK-HMRC | £301,105 |
| Nordyc Ltd (Formerly known as AA Decorators and Painters Limited) | | | tax violations | 2023 | UK-HMRC | £299,634 |
| Trident Trust Company (I.O.M.) Limited | | | anti-money-laundering deficiencies | 2022 | UK-IOM | £295,221 |
| Turkish Bank (UK) Ltd | | | anti-money-laundering deficiencies | 2012 | UK-FSA | £294,000 |
| Exillon Energy plc | | | investor protection violation | 2012 | UK-FSA | £292,950 |
| Alppa Pan | | | tax violations | 2019 | UK-HMRC | £291,155 |
| HN Restaurants Limited dba Dallas Chicken | | | tax violations | 2023 | UK-HMRC | £291,077 |
| Twenty 4 Time | | | tax violations | 2021 | UK-HMRC | £290,392 |
| MP Food & Wine/J&M News | | | tax violations | 2018 | UK-HMRC | £289,280 |
| Eagle Motors (Luton) Limited | | | tax violations | 2016 | UK-HMRC | £287,845 |
| Torchwood Trading Ltd | | | tax violations | 2022 | UK-HMRC | £286,895 |
| GPSK Limited | | | tax violations | 2021 | UK-HMRC | £286,593 |
| Fly Eagle 1 LLC | | | tax violations | 2018 | UK-HMRC | £283,406 |
| No. 4 Mayfair Limited | | | tax violations | 2019 | UK-HMRC | £281,698 |
| Golden 77 Limited | | | tax violations | 2019 | UK-HMRC | £281,451 |
| Shenzhenshi Yueyiyinshuayouxiangongsi dba Yueying | | | tax violations | 2020 | UK-HMRC | £279,484 |
| Hall Brickwork Limited | | | tax violations | 2021 | UK-HMRC | £276,711 |
| On Point Reviews Ltd | | | tax violations | 2023 | UK-HMRC | £273,986 |
| LBBH LLC dba xpress beauty | | | tax violations | 2018 | UK-HMRC | £272,714 |
| Poets House Limited | | | tax violations | 2016 | UK-HMRC | £271,078 |
| Sherzi Exchange Limited MSB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £270,530 |
| Kiani Investments Limited | | | tax violations | 2023 | UK-HMRC | £269,522 |
| Purplebricks Group PLC | | | anti-money-laundering deficiencies | 2020 | UK-HMRC | £266,793 |
| Monter Limited | | | tax violations | 2016 | UK-HMRC | £266,766 |
| Fat Cat Sherwood Ltd | | | tax violations | 2018 | UK-HMRC | £263,713 |
| UK Camera Ltd | | | tax violations | 2021 | UK-HMRC | £263,163 |
| Crosstube Rail Limited | | | tax violations | 2018 | UK-HMRC | £262,709 |
| Consulting Europe Limited | | | tax violations | 2022 | UK-HMRC | £262,261 |
| The Rowley Bar and Grill Ltd | | | tax violations | 2022 | UK-HMRC | £260,656 |
| Red Point Recruitment Ltd | | | tax violations | 2023 | UK-HMRC | £260,578 |
| Harpers (Brandesburton) Ltd | | | tax violations | 2020 | UK-HMRC | £260,404 |
| Shenzhen Yuanbei Technologies Co. Ltd | | | tax violations | 2019 | UK-HMRC | £259,497 |
| Rebos Investments Ltd | | | tax violations | 2022 | UK-HMRC | £258,105 |
| Maaz Supermarket Ltd | | | tax violations | 2017 | UK-HMRC | £257,148 |
| Capital Impex Ltd | | | tax violations | 2021 | UK-HMRC | £257,029 |
| Nexia Smith & Williamson Audit Limited | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £254,248 |
| Fat Cat Nottingham Limited | | | tax violations | 2018 | UK-HMRC | £253,244 |
| A.B.V Southeast Ltd | | | tax violations | 2023 | UK-HMRC | £252,955 |
| Slobrasil Limited | | | tax violations | 2021 | UK-HMRC | £251,177 |
| PayPal Holdings, Inc. and PayPal (Europe) Sarl et Cie SCA and PayPal SE | PayPal Holdings | financial services | investor protection violation | 2019 | UK-CMA | £250,000 |
| Mazars LLP | Mazars LLP | business services | accounting fraud or deficiencies | 2022 | UK-FRC | £250,000 |
| Mazars LLP | Mazars LLP | business services | accounting fraud or deficiencies | 2022 | UK-FRC | £250,000 |
| Allyan Ltd dba Canton Cuisine | | | tax violations | 2019 | UK-HMRC | £249,339 |
| UHY Hacker Young LLP | UHY Hacker Young | business services | accounting fraud or deficiencies | 2024 | UK-ICAEW | £248,306 |
| What Next Media Ltd | | | tax violations | 2017 | UK-HMRC | £248,195 |
| CHG Holdings Ltd | | | tax violations | 2022 | UK-HMRC | £247,463 |
| Standard Bank Isle of Man Limited | | | anti-money-laundering deficiencies | 2022 | UK-IOM | £247,324 |
| AWM Accountant and Tax Advisors | | | tax violations | 2019 | UK-HMRC | £244,445 |
| Blueprint Partnership (Manchester) Ltd | | | tax violations | 2022 | UK-HMRC | £243,757 |
| Deluxe Printers Ltd | | | tax violations | 2019 | UK-HMRC | £243,278 |
| Istanbul Grill Limited | | | tax violations | 2017 | UK-HMRC | £241,100 |
| Haweli Twyford Ltd | | | tax violations | 2019 | UK-HMRC | £240,095 |
| Gali (London) Ltd | | | tax violations | 2021 | UK-HMRC | £239,817 |
| AWA Contractors Ltd | | | tax violations | 2019 | UK-HMRC | £239,102 |
| UK Waste 2 Energy Limited | | | tax violations | 2016 | UK-HMRC | £236,146 |
| Premier Skip Hire | | | tax violations | 2021 | UK-HMRC | £235,988 |
| Boyce Care Ltd | | | tax violations | 2018 | UK-HMRC | £235,770 |
| PricewaterhouseCoopers CI LLP | PricewaterhouseCoopers | business services | accounting fraud or deficiencies | 2022 | UK-ICAEW | £234,405 |
| TMT Autobodies Limited | | | tax violations | 2023 | UK-HMRC | £233,031 |
| Lina Enterprises | | | tax violations | 2017 | UK-HMRC | £232,901 |
| Mr Food Design Limited | | | tax violations | 2019 | UK-HMRC | £232,482 |
| Wings Edinburgh Limited | | | tax violations | 2023 | UK-HMRC | £231,318 |
| B&B Convenience Stores Ltd dba Kwik Stop Convenience Store | | | tax violations | 2022 | UK-HMRC | £231,073 |
| Execution Noble & Company Limited | | | investor protection violation | 2014 | UK-FCA | £231,000 |
| Banssi Solutions Ltd | | | tax violations | 2018 | UK-HMRC | £229,988 |
| Guangzhou Wenyi Communication Equipment Co Ltd | | | tax violations | 2019 | UK-HMRC | £229,938 |
| Al-Ummah Halal Poultry Limited | | | tax violations | 2020 | UK-HMRC | £228,531 |
| Popov Constructions Ltd | | | tax violations | 2021 | UK-HMRC | £228,444 |
