| FFox Ltd EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,500 |
| Fidelity Accounting & Business Services Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £5,700 |
| Fides Corporate Services Limited | | | anti-money-laundering deficiencies | 2024 | UK-GFSC | £140,000 |
| Fiducia Property Asset Management Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £6,400 |
| Figaro Fashion Ltd | | | tax violations | 2017 | UK-HMRC | £59,584 |
| Fil Fresh Bathrooms Limited | | | tax violations | 2017 | UK-HMRC | £61,981 |
| Filaos Company Ltd | | | tax violations | 2022 | UK-HMRC | £33,677 |
| Finbridge Advisors Limited ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £1,350 |
| Finnigan McNeill Properties (Sourcing) Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £3,600 |
| Fintech Associates Limited | | | accounting fraud or deficiencies | 2022 | UK-ICAEW | £5,664 |
| Fio's Cash and Carry Ltd | | | tax violations | 2019 | UK-HMRC | £471,352 |
| Firma Handlowo-Uslugowa | | | tax violations | 2021 | UK-HMRC | £12,825 |
| First Class (Carter Lane) Ltd dba 1st Class Pizza | | | tax violations | 2022 | UK-HMRC | £39,799 |
| First Industries Limited | | | tax violations | 2014 | UK-HMRC | £22,630 |
| First Stop Shop Ltd dba First Stop Service Station | | | tax violations | 2019 | UK-HMRC | £172,777 |
| First Walk Limited dba Cook & Indi's Buffet | | | tax violations | 2018 | UK-HMRC | £113,366 |
| Fisher Phillips LLP | | | accounting fraud or deficiencies | 2022 | UK-ICAEW | £1,400 |
| Fisher, Sassoon & Marks | | | accounting fraud or deficiencies | 2023 | UK-ICAEW | £11,537 |
| Fisks Estate Agents Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £5,600 |
| Fiston Limited fka Hadleigh Fast Food | | | tax violations | 2022 | UK-HMRC | £311,635 |
| Fitzgerald & Law LLP | | | accounting fraud or deficiencies | 2016 | UK-ICAEW | £1,500 |
| Fitzgerald Mithia Springer Limited | | | accounting fraud or deficiencies | 2023 | UK-ICAEW | £4,200 |
| Five Fingers Hospitality Limited t/a Tayview Hotel | | | tax violations | 2024 | UK-HMRC | £28,694 |
| Five Hands Limited dba Milano Pizza | | | tax violations | 2017 | UK-HMRC | £184,074 |
| Five Rivers Catering Division Limited | | | tax violations | 2021 | UK-HMRC | £61,225 |
| Fizzthinks360 Limited | | | tax violations | 2021 | UK-HMRC | £40,459 |
| FKCA Limited | | | accounting fraud or deficiencies | 2016 | UK-ICAEW | £3,067 |
| FKP Industrial Ltd | | | tax violations | 2018 | UK-HMRC | £50,582 |
| Flaming Great | | | tax violations | 2016 | UK-HMRC | £27,130 |
| Flashfix Home Solutions Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £4,050 |
| Flat Quest Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £2,750 |
| Flatbay Ltd dba Oriental Chef | | | tax violations | 2017 | UK-HMRC | £54,978 |
| Fly Eagle 1 LLC | | | tax violations | 2018 | UK-HMRC | £283,406 |
| Flynn Johnson Estates Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £52,000 |
| FM Software Ltd | | | tax violations | 2019 | UK-HMRC | £86,139 |
| Focus 15 Trading Limited | | | tax violations | 2018 | UK-HMRC | £137,006 |
| Folkestone Kebab & Pizza Limited | | | tax violations | 2022 | UK-HMRC | £47,162 |
| Foo Lin (Alfreton) Ltd | | | tax violations | 2022 | UK-HMRC | £17,893 |
| Foods 1 Ltd | | | tax violations | 2020 | UK-HMRC | £140,772 |
| Forbes Dawson | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £1,400 |
| Ford Fine Art Limited AMP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £5,000 |
| Fordyce Furnivall EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £4,500 |
| Forever Recycling UK Ltd | | | tax violations | 2019 | UK-HMRC | £11,345 |
| Forex Capital Markets Ltd and FXCM Securities Ltd | | | investor protection violation | 2014 | UK-FCA | £4,000,000 |
| Forge Homes Residential Sales and Lettings Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £4,130 |
| Forshaws Accountants Limited | | | accounting fraud or deficiencies | 2019 | UK-ICAEW | £12,720 |
| Forshaws Accountants Limited | | | accounting fraud or deficiencies | 2022 | UK-ICAEW | £2,800 |
| Fortune | | | tax violations | 2024 | UK-HMRC | £11,521 |
| Fortus Midlands Ltd | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £6,879 |
| Fossa Consulting Ltd | | | tax violations | 2017 | UK-HMRC | £159,081 |
| Foster & Co (Sussex) Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £27,000 |
| Foster & Co Ltd | | | accounting fraud or deficiencies | 2018 | UK-ICAEW | £2,500 |
| Fountain Bar Café | | | tax violations | 2023 | UK-HMRC | £40,972 |
| Four Oaks Taxation & Accounting Services Limited | | | accounting fraud or deficiencies | 2016 | UK-ICAEW | £20,799 |
| Four Wents Fish Bar | | | tax violations | 2017 | UK-HMRC | £17,310 |
| Fourth Culture Films Limited | | | tax violations | 2016 | UK-HMRC | £18,871 |
| Fowler Oldfield Ltd | | | tax violations | 2017 | UK-HMRC | £3,488,081 |
| Fox Associate LLP | | | accounting fraud or deficiencies | 2022 | UK-ICAEW | £29,037 |
| Fox Hayes | | | investor protection violation | 2011 | UK-FSA | £454,770 |
| Fox Service Ltd | | | tax violations | 2024 | UK-HMRC | £106,509 |
| Franklin Cole Properties Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £5,350 |
| Fraser McHugh Ltd | | | tax violations | 2016 | UK-HMRC | £27,012 |
| Freeagent247.Com Ltd EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £13,950 |
| Fresh Bishopbriggs Ltd dba Cook & Indi's | | | tax violations | 2019 | UK-HMRC | £27,051 |
| Fresh Central Ltd dba Cook & Indi's | | | tax violations | 2019 | UK-HMRC | £87,425 |
| Fresh Darnley Ltd | | | tax violations | 2019 | UK-HMRC | £27,051 |
| Fresh Motherwell Ltd | | | tax violations | 2019 | UK-HMRC | £98,604 |
| Fresh Renfield Ltd dba Cook & Indi's | | | tax violations | 2019 | UK-HMRC | £54,930 |
| Fresh Sauchiehall Ltd dba Cook & Indi's | | | tax violations | 2019 | UK-HMRC | £29,439 |
| Friend-James Ltd | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £1,050 |
| Frost & Company | | | accounting fraud or deficiencies | 2024 | UK-ICAEW | £8,735 |
| FRS Realisations 2016 Ltd dba Foresight Recruitment Solutions Ltd | | | tax violations | 2017 | UK-HMRC | £58,267 |
| FS Sokoli Limited dba Wimpy | | | tax violations | 2022 | UK-HMRC | £26,367 |
| FSL Building Services | | | tax violations | 2016 | UK-HMRC | £46,125 |
| FSPG | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £20,731 |
| FSport Ltd | | | tax violations | 2023 | UK-HMRC | £775,000 |
| FTU Pod Trans | | | tax violations | 2021 | UK-HMRC | £307,045 |
| Fulfilled Living Limited | | | tax violations | 2024 | UK-HMRC | £84,337 |
| Fullers Estates Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £4,500 |
| Furnisherworld Ltd | | | tax violations | 2019 | UK-HMRC | £30,171 |
| Furrytails LLC | | | tax violations | 2018 | UK-HMRC | £66,401 |
| Fusion Etc Limited (Trading as ‘House of Agnes’) | | | tax violations | 2023 | UK-HMRC | £20,927 |
| Fusion Foods (BFD) Ltd | | | tax violations | 2023 | UK-HMRC | £95,901 |
| Future Renewable Solutions Ltd | | | tax violations | 2021 | UK-HMRC | £32,666 |
| G & G Engineering Mechanical Services Ltd | | | tax violations | 2018 | UK-HMRC | £11,918 |
| G and GT Foods Limited | | | tax violations | 2016 | UK-HMRC | £723,333 |
| G Boat Square Limited dba The Golden Boat R2 | | | tax violations | 2018 | UK-HMRC | £36,807 |
| G Force Investments Ltd | | | tax violations | 2022 | UK-HMRC | £20,741 |
| G K V Development | | | tax violations | 2016 | UK-HMRC | £85,391 |
| G Mann Accountancy Solutions Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £2,650 |
| G P Boyle & Co Ltd | | | accounting fraud or deficiencies | 2018 | UK-ICAEW | £3,613 |
| G&A Fastfood | | | tax violations | 2020 | UK-HMRC | £32,955 |
| G-Pound Zone Ltd | | | tax violations | 2017 | UK-HMRC | £19,424 |
| G. Spratt Accountancy Limited | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £4,500 |
| G.K.T. Scaffolding Ltd | | | tax violations | 2017 | UK-HMRC | £115,338 |
| G.Y.Construction Ltd | | | tax violations | 2022 | UK-HMRC | £30,123 |
| G1 Cleaning Limited dba Duke of Iron | | | tax violations | 2018 | UK-HMRC | £56,677 |
| G4S Care and Justice Services (UK) Ltd | Allied Universal Security Services | business services | fraud | 2020 | UK-SFO | £44,400,000 |
| G8 Consult Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £3,000 |
| Gabba Consultancy Ltd ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,750 |
| Gaffney’s Property Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £2,609 |
