| BVM Consultancy Services Limited | | | tax violations | 2023 | UK-HMRC | £14,969 |
| BVN Partners LLP | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £6,455 |
| BW Medical Accountants Limited | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £6,000 |
| BWM Accountants Limited | | | accounting fraud or deficiencies | 2023 | UK-ICAEW | £3,500 |
| BWR Trading Limited | | | tax violations | 2023 | UK-HMRC | £163,729 |
| C And D Trading Group Inc dba Supreme Value | | | tax violations | 2019 | UK-HMRC | £62,468 |
| C and V Leisure Limited | | | tax violations | 2017 | UK-HMRC | £33,985 |
| C E Mechanical Services | | | tax violations | 2019 | UK-HMRC | £108,292 |
| C H London Limited | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £3,000 |
| C M Simplified Solutions Ltd | | | tax violations | 2023 | UK-HMRC | £46,471 |
| C Mann Construction Limited | | | tax violations | 2022 | UK-HMRC | £850,781 |
| C&L Cleaning and Drylining Ltd | | | tax violations | 2024 | UK-HMRC | £40,318 |
| C.J. Lucking & Co | | | accounting fraud or deficiencies | 2018 | UK-ICAEW | £1,000 |
| C.J. Pizza Limited dba Lonestar Pizza | | | tax violations | 2020 | UK-HMRC | £49,169 |
| C.J.M Tiling Ltd | | | tax violations | 2017 | UK-HMRC | £90,154 |
| C4C Investments Limited fka Cardboard 4 Cash Limited | | | tax violations | 2024 | UK-HMRC | £162,587 |
| C5 Clothing | | | tax violations | 2021 | UK-HMRC | £15,572 |
| Cabezo Ltd | | | tax violations | 2024 | UK-HMRC | £804,212 |
| Cadwallader & Co LLP | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £2,856 |
| Cafe 96 | | | tax violations | 2019 | UK-HMRC | £23,539 |
| Cafe Cod | | | tax violations | 2019 | UK-HMRC | £212,430 |
| Cafe Jeera Ltd | | | tax violations | 2018 | UK-HMRC | £54,825 |
| Cafe TJ Limited | | | tax violations | 2019 | UK-HMRC | £15,863 |
| Cafe Zoot Limited | | | tax violations | 2020 | UK-HMRC | £1,340,674 |
| Cakes and Bakes | | | tax violations | 2017 | UK-HMRC | £32,234 |
| Calicon and Associates | | | accounting fraud or deficiencies | 2018 | UK-ICAEW | £1,000 |
| Cam 3228 Ltd | | | tax violations | 2021 | UK-HMRC | £24,324 |
| Camac Engineering Ltd | | | tax violations | 2019 | UK-HMRC | £64,660 |
| Camden Kebab Ltd dba Real Taste | | | tax violations | 2018 | UK-HMRC | £78,475 |
| Cameron & Associates Ltd | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £1,292 |
| Campbell Cairns EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,750 |
| Campbell Property Consultants Ltd EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,585 |
| Canal View Bus Cafe Limited | | | tax violations | 2023 | UK-HMRC | £39,799 |
| Canale Residential Ltd EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £1,250 |
| Canara Bank | Canara Bank | financial services | anti-money-laundering deficiencies | 2018 | UK-FCA | £896,100 |
| Candy Restaurant | | | tax violations | 2016 | UK-HMRC | £24,288 |
| Canim Fruit and Veg (Sheffield) Limited | | | tax violations | 2019 | UK-HMRC | £38,925 |
| Cannards Well Limited | | | tax violations | 2019 | UK-HMRC | £37,844 |
| Cannon Street Business Centre Limited TCSP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £1,750 |
| Canova Fine Arts Limited AMP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £10,000 |
| Canova Fine Arts Limited AMP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £10,000 |
| Canuta Interiors Ltd | | | tax violations | 2023 | UK-HMRC | £108,856 |
| CAP Accountancy Limited | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £700 |
| CAP10 Limited dba Indian Palace Takeaway | | | tax violations | 2018 | UK-HMRC | £27,716 |
| Cape Verde Property Investmnets Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £4,500 |
| Capital Bookkeeping Services Limited ASP | | | anti-money-laundering deficiencies | 2021 | UK-HMRC | £1,500 |
| Capital Care Investments Ltd EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,703 |
| Capital Impex Ltd | | | tax violations | 2021 | UK-HMRC | £257,029 |
| Capital International Limited | | | anti-money-laundering deficiencies | 2024 | UK-IOM | £119,596 |
| Capital Solutions Limited | | | investor protection violation | 2017 | UK-GFSC | £0 |
| Cappawhite Plant Hire Ltd | | | tax violations | 2017 | UK-HMRC | £32,464 |
| Carbon Technologies Group PLC | | | tax violations | 2018 | UK-HMRC | £19,174 |
| Care Asset Management Limited | | | investor protection violation | 2013 | UK-FSA | £56,000 |
| Caribbean Legal Services Limited EAB | | | anti-money-laundering deficiencies | 2021 | UK-HMRC | £11,347 |
| Carillion plc | | | investor protection violation | 2022 | UK-FCA | £0 |
| Carlane Construction Ltd | | | tax violations | 2019 | UK-HMRC | £69,389 |
| Carlos Gardening Services Limited | | | tax violations | 2023 | UK-HMRC | £57,674 |
| Carlton Buildings | | | tax violations | 2023 | UK-HMRC | £4,225,950 |
| Carlton Gate Marketing Company Ltd EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £4,500 |
| Carmarthen Construction Ltd | | | tax violations | 2017 | UK-HMRC | £21,044 |
| Carndale Enterprises Ltd | | | tax violations | 2017 | UK-HMRC | £940,429 |
| Carpenter & Co | | | anti-money-laundering deficiencies | 2024 | UK-SRA | £14,122 |
| Carpenter Box Limited | | | accounting fraud or deficiencies | 2023 | UK-ICAEW | £7,000 |
| Carr's BK Ltd | | | tax violations | 2019 | UK-HMRC | £105,395 |
| Carter Backer Winter LLP | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £3,986 |
| Carter Backer Winter LLP | | | accounting fraud or deficiencies | 2016 | UK-ICAEW | £4,368 |
| Carter Chatila Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £10,000 |
| Carter Chatila Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £10,000 |
| Carter Nicholls Limited | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £3,443 |
| Carter Oliver Property Experts Limited EAB | | | anti-money-laundering deficiencies | 2021 | UK-HMRC | £3,200 |
| Cartier Property Management Ltd | | | tax violations | 2018 | UK-HMRC | £119,128 |
| Cartwrights Audit Limited | | | accounting fraud or deficiencies | 2019 | UK-ICAEW | £500 |
| CasellaeXpress | | | tax violations | 2024 | UK-HMRC | £21,871 |
| Cassini Properties Estate and Lettings Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,750 |
| Castles Estate Agents Hampshire Ltd EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £3,000 |
| Castor Gallery Ltd AMP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £3,000 |
| Caterers Friend Limited | | | tax violations | 2014 | UK-HMRC | £55,771 |
| Caterina Belluardo Ltd | | | tax violations | 2020 | UK-HMRC | £19,925 |
| Caterpak Limited | | | tax violations | 2020 | UK-HMRC | £59,389 |
| Cathay International Holdings Limited | | | investor protection violation | 2019 | UK-FCA | £411,000 |
| Cattov Ltd | | | tax violations | 2023 | UK-HMRC | £57,889 |
| Causeway Coast Rentals Ltd EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,750 |
| Cavendish & Co Estate Agents Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £6,938 |
| Caver Global Sp zoo | | | tax violations | 2022 | UK-HMRC | £14,754 |
| Caversham Browne Limited | | | tax violations | 2017 | UK-HMRC | £17,605 |
| Cavu Corporate Finance Limited | | | accounting fraud or deficiencies | 2018 | UK-ICAEW | £1,284 |
| Cayenes Ltd | | | tax violations | 2023 | UK-HMRC | £74,062 |
| CB Contracts | | | tax violations | 2017 | UK-HMRC | £37,412 |
| CB Payments Limited | | | anti-money-laundering deficiencies | 2024 | UK-FCA | £3,503,546 |
| cba (Accountants) Limited | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £10,653 |
| CBB Systems Limited | | | tax violations | 2024 | UK-HMRC | £29,171 |
| CBW Property Management Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £1,350 |
| CCS Nationwide Limited TCSP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £3,657 |
| Cece Cornwall Ltd dba Funky's | | | tax violations | 2019 | UK-HMRC | £32,088 |
| Ceil Private Limited dba Ashoka Southside | | | tax violations | 2019 | UK-HMRC | £23,027 |
| Ceiling Form Ltd | | | tax violations | 2017 | UK-HMRC | £60,694 |
| CEL Group UK Limited | | | tax violations | 2023 | UK-HMRC | £27,245 |
| Celebrations Express Limited | | | tax violations | 2020 | UK-HMRC | £46,058 |
| Celestial Globe South West Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £3,350 |
| Celtic Carriers Limited | | | tax violations | 2016 | UK-HMRC | £318,408 |
| Cenkos Securities Plc | | | investor protection violation | 2016 | UK-FCA | £530,500 |
