| Bridgegate Patrol Dogs Ltd | | | tax violations | 2018 | UK-HMRC | £58,199 |
| Bridge Investment & Developments Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £8,400 |
| Brian Ziff Limited | | | accounting fraud or deficiencies | 2022 | UK-ICAEW | £350 |
| Brian Paul Limited | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £12,792 |
| Brian McManus Car Sales Ltd | | | tax violations | 2022 | UK-HMRC | £10,250 |
| Brian Hughes and Sons | | | tax violations | 2019 | UK-HMRC | £384,010 |
| Brewchoice Ltd | | | tax violations | 2018 | UK-HMRC | £956,388 |
| Brentwood Alaturka Ltd dba A La Turka | | | tax violations | 2020 | UK-HMRC | £37,821 |
| Brandfresh Ltd | | | tax violations | 2017 | UK-HMRC | £123,371 |
| Bramwell Morris | | | accounting fraud or deficiencies | 2019 | UK-ICAEW | £1,464 |
| Bramley Off Licence Ltd | | | tax violations | 2018 | UK-HMRC | £25,850 |
| Braham Good LLP EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £6,555 |
| Brafman Enterprises Limited dba Le Cafe | | | tax violations | 2017 | UK-HMRC | £32,113 |
| Bradwell & Partners | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £750 |
| Bradshaw Estate Agents Limited | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £0 |
| Bracken Rothwell Limited | | | accounting fraud or deficiencies | 2018 | UK-ICAEW | £4,350 |
| BR Estate Agents Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £3,000 |
| BPC Chandarana & Co Ltd | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £1,750 |
| BP Remit Limited  | | | anti-money-laundering deficiencies | 2021 | UK-HMRC | £0 |
| Boyce Care Ltd | | | tax violations | 2018 | UK-HMRC | £235,770 |
| Boy Plant Ltd | | | tax violations | 2022 | UK-HMRC | £602,191 |
| Bournemouth Lahore Ltd | | | tax violations | 2022 | UK-HMRC | £16,360 |
| Borneo House Ltd dba The Laughing Buddha | | | tax violations | 2016 | UK-HMRC | £136,149 |
| Born Associates Limited | | | anti-money-laundering deficiencies | 2021 | UK-ICAEW | £5,000 |
| Borders & West (Inc. Howe & Co) Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £3,888 |
| Bordeaux Services (Guernsey) Limited | | | investor protection violation | 2016 | UK-GFSC | £100,000 |
| Bora Bora Limited | | | tax violations | 2023 | UK-HMRC | £15,406 |
| Boot & Son Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £5,800 |
| Bono Properties Number Two Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £3,950 |
| Bond Wolfe Auctions Limited EAB | | | anti-money-laundering deficiencies | 2021 | UK-HMRC | £52,000 |
| Bombay Blues (Westclife) Ltd | | | tax violations | 2022 | UK-HMRC | £85,027 |
| Bolton Reed Limited ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £14,000 |
| Boldmore Real Estate Limited EAB | | | anti-money-laundering deficiencies | 2021 | UK-HMRC | £1,350 |
| Boblec Hall Limited | | | tax violations | 2018 | UK-HMRC | £46,288 |
| Boava Solutions Ltd | | | tax violations | 2022 | UK-HMRC | £72,845 |
| BNY Mellon Corporate Trustee Services Ltd TCSP | Bank of New York Mellon | financial services | anti-money-laundering deficiencies | 2021 | UK-HMRC | £9,465 |
| Bluevale Structures Ltd | | | tax violations | 2019 | UK-HMRC | £57,709 |
| Blueprint Partnership (Manchester) Ltd | | | tax violations | 2022 | UK-HMRC | £243,757 |
| Blue Ice Consortium Ltd dba Maya Fine Indian Dining | | | tax violations | 2020 | UK-HMRC | £46,974 |
| Blue Chilli Transport Limited | | | tax violations | 2017 | UK-HMRC | £417,429 |
| Blue Bell Inn Nottm Ltd | | | tax violations | 2018 | UK-HMRC | £502,673 |
| Blue Arrow Accounting Ltd | Impellam Group PLC | business services | accounting fraud or deficiencies | 2021 | UK-ICAEW | £779 |
| Blu Sky Tax Ltd | | | accounting fraud or deficiencies | 2023 | UK-ICAEW | £7,000 |
| Blick Rothenberg Global Business Services Limited | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £7,924 |
| Blenheim Fiduciary Group Limited | | | anti-money-laundering deficiencies | 2017 | UK-GFSC | £70,000 |
| Blaze Tanning | | | tax violations | 2019 | UK-HMRC | £61,158 |
| Blaydon Bookkeeping Ltd ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £4,228 |
| Blackstone Properties Group Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £7,200 |
| Blackrock Investment Management (UK) Limited | BlackRock | financial services | investor protection violation | 2012 | UK-FSA | £9,533,100 |
| Blackman Terry LLP | | | accounting fraud or deficiencies | 2023 | UK-ICAEW | £201 |
| Blackman Real Estate Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £3,700 |
| Black Sparrow Fife Ltd. dba Maya's Indian Restaurant | | | tax violations | 2016 | UK-HMRC | £17,144 |
| Black Cherry Club | | | tax violations | 2021 | UK-HMRC | £29,538 |
| Biznav Limited | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £3,096 |
| Bismilla Property Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £2,530 |
| Bishop Fleming LLP | | | accounting fraud or deficiencies | 2022 | UK-ICAEW | £3,117 |
| Biresa Limited dba Pomodoro E Basilico | | | tax violations | 2020 | UK-HMRC | £736,929 |
| Birch Vehicle Sales Ltd | | | tax violations | 2022 | UK-HMRC | £18,479 |
| Bilston High Street Fish Bar Ltd | | | tax violations | 2019 | UK-HMRC | £113,020 |
| Bill Dane Property Sales Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £5,600 |
| Bigs Agri Engineering | | | tax violations | 2018 | UK-HMRC | £12,236 |
| Bideshi Ltd dba Desii Restaurant | | | tax violations | 2018 | UK-HMRC | £23,387 |
| Biberetto Ltd | | | tax violations | 2021 | UK-HMRC | £51,339 |
| Bhinda Sahota Construction Ltd | | | tax violations | 2018 | UK-HMRC | £42,359 |
| BH2 EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £44,054 |
| BGC Brokers LP and GFI Brokers Ltd and GFI Securities Ltd | | | investor protection violation | 2022 | UK-FCA | £4,775,200 |
| BFE Brays Ltd | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £1,400 |
| Beycafe Ltd dba Frenchgate Cafe | | | tax violations | 2019 | UK-HMRC | £112,984 |
| Bewar Food Store | | | tax violations | 2018 | UK-HMRC | £38,951 |
| Bevells Estates Ltd EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £3,300 |
| Bevells Estates Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £3,300 |
| Bevan-Evans & Capehorn Solicitors LLP | | | anti-money-laundering deficiencies | 2023 | UK-SRA | £4,000 |
| Best Kebabs (Limbury) Ltd | | | tax violations | 2018 | UK-HMRC | £34,012 |
| Best Kebab | | | tax violations | 2023 | UK-HMRC | £51,668 |
| Besso Limited | BGC Partners | financial services | investor protection violation | 2014 | UK-FCA | £315,000 |
| Berwyn Construction Ltd | | | tax violations | 2020 | UK-HMRC | £79,936 |
| Bernham Ltd | | | tax violations | 2017 | UK-HMRC | £15,361 |
| Beresfords | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £4,200 |
| Beresfords | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £4,000 |
| Benson Wood Limited | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £700 |
| Bengal Dynasty of Market Ltd | | | tax violations | 2020 | UK-HMRC | £12,324 |
| Benedicts Consultants Surveyors Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £4,500 |
| Benassi & Company Ltd dba Slice | | | tax violations | 2019 | UK-HMRC | £41,925 |
| Belvoir Printing Limited | | | tax violations | 2022 | UK-HMRC | £47,547 |
| Belvedere Homes (UK) Ltd | | | tax violations | 2019 | UK-HMRC | £172,042 |
| Bellside Development Ltd | | | tax violations | 2021 | UK-HMRC | £15,429 |
| Bellissima Fine Wines Ltd | | | tax violations | 2019 | UK-HMRC | £34,752 |
| Belle Green Mini Market | | | tax violations | 2018 | UK-HMRC | £69,698 |
| Bell Windows (NI) Limited | | | tax violations | 2021 | UK-HMRC | £21,637 |
| Bell & Co Estates Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £3,900 |
| Belgrave Motor Company Ltd | | | anti-money-laundering deficiencies | 2020 | UK-HMRC | £2,226 |
| Belfers Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £3,000 |
| Begbies | | | accounting fraud or deficiencies | 2016 | UK-ICAEW | £2,400 |
| Beeston Construction Ltd | | | tax violations | 2018 | UK-HMRC | £21,170 |
| Beaver Log Cabins Limited | | | tax violations | 2021 | UK-HMRC | £47,062 |
| Beaumont Street Ltd | | | tax violations | 2019 | UK-HMRC | £82,125 |
| Beaumont Contracts Ltd. fka Linton Contractors Ltd and Linton Decorators Ltd | | | tax violations | 2019 | UK-HMRC | £318,746 |
| Bearsden Foods Ltd | | | tax violations | 2018 | UK-HMRC | £13,202 |
| Bear Joe Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £13,100 |
| Beacon Wills and Probate Limited | | | accounting fraud or deficiencies | 2019 | UK-ICAEW | £1,000 |
| BDSwiss Holding Plc | | | investor protection violation | 2021 | UK-FCA | £0 |
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