| Redstones Property Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,750 |
| Redstone Mortgages Limited | | | mortgage abuses | 2010 | UK-FSA | £630,000 |
| Redland Services Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £2,703 |
| Redcastle Lettings Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £2,650 |
| Red Trading (UK) Ltd dba Redfiz Ltd. | | | tax violations | 2017 | UK-HMRC | £890,261 |
| Red Sun | | | tax violations | 2023 | UK-HMRC | £96,192 |
| Red Sky 2015 Ltd ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £3,300 |
| Red Retro Wines Ltd | | | tax violations | 2016 | UK-HMRC | £34,435 |
| Red Rag Group Limited (AMP) AMP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £2,500 |
| Red Point Recruitment Ltd | | | tax violations | 2023 | UK-HMRC | £260,578 |
| Red Jon Ltd | | | tax violations | 2022 | UK-HMRC | £739,931 |
| Red Gurkha Ltd dba Annapurna | | | tax violations | 2019 | UK-HMRC | £22,954 |
| Reckitt Benckiser Group Plc | Reckitt Benckiser | household and personal care products | investor protection violation | 2015 | UK-FCA | £539,800 |
| Rebos Investments Ltd | | | tax violations | 2022 | UK-HMRC | £258,105 |
| Rebate Gateway Limited ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £3,300 |
| Rebase Group Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £7,850 |
| Real Itaste Limited | | | tax violations | 2021 | UK-HMRC | £42,653 |
| Real India Ltd | | | tax violations | 2018 | UK-HMRC | £16,894 |
| Real & Dream Bookkeeping Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £3,300 |
| RDP Newmans LLP | | | accounting fraud or deficiencies | 2018 | UK-ICAEW | £3,580 |
| RCG10 Limited | | | tax violations | 2019 | UK-HMRC | £13,957 |
| Raymat Quilts & Textiles (UK) Ltd | | | tax violations | 2016 | UK-HMRC | £35,112 |
| Raybould & Bines Estate Agents Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £1,558 |
| Rawlinsons | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £7,242 |
| Ravals Luxury Indian Restaurant | | | tax violations | 2020 | UK-HMRC | £48,218 |
| Ratnam Projects Ltd AMP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £3,100 |
| Raphael & Sons plc | | | economic sanction violation | 2019 | UK-OFSI | £5,000 |
| Ranskill Fencing Ltd | | | tax violations | 2017 | UK-HMRC | £27,611 |
| Randalls Estates Limited EAB | | | anti-money-laundering deficiencies | 2021 | UK-HMRC | £5,000 |
| Rance Roofing | | | tax violations | 2017 | UK-HMRC | £18,964 |
| Rampton Baseley New Homes Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £9,975 |
| Ramoo Associates UK Limited | | | tax violations | 2018 | UK-HMRC | £728,998 |
| Ram Jewellers Ltd | | | anti-money-laundering deficiencies | 2019 | UK-HMRC | £1,834 |
| Ram Doctor Ltd | | | tax violations | 2023 | UK-HMRC | £45,500 |
| Raleigh Adhesive Coatings Limited | | | tax violations | 2019 | UK-HMRC | £14,248 |
| Raj’s 59 Stop Ltd | | | tax violations | 2023 | UK-HMRC | £34,093 |
| Raja Tandoori Ltd | | | tax violations | 2018 | UK-HMRC | £45,426 |
| Raj Mohal Ltd | | | tax violations | 2018 | UK-HMRC | £48,117 |
| Rainey & Gregg Property & Mortgage Centre EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £4,500 |
| Rainbow Assa Limited dba Assa | | | tax violations | 2019 | UK-HMRC | £172,646 |
| Raffles Cockapoos (DF) Ltd | | | tax violations | 2024 | UK-HMRC | £665,717 |
| Radnor Martin Limited EAB | | | anti-money-laundering deficiencies | 2021 | UK-HMRC | £3,600 |
| Radford Royale Limited fka Royal Chicken & Pizza | | | tax violations | 2024 | UK-HMRC | £45,553 |
| Radford Royale Limited fka Royal Chicken & Pizza | | | tax violations | 2022 | UK-HMRC | £24,361 |
| Radford & Sergeant Limited | | | accounting fraud or deficiencies | 2018 | UK-ICAEW | £4,000 |
| Rad Point Ltd | | | tax violations | 2024 | UK-HMRC | £26,940 |
| RAC Tyres | | | tax violations | 2019 | UK-HMRC | £66,982 |
| Raby Road Convenience Store | | | tax violations | 2024 | UK-HMRC | £95,213 |
| Rab Retail Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £14,500 |
| R. Raphael & Sons plc | | | banking violation | 2019 | UK-FCA | £775,100 |
| R. Raphael & Sons plc | | | risk management failure | 2019 | UK-PRA | £1,112,152 |
| R. Raphael & Sons Plc | | | internal controls deficiency | 2015 | UK-PRA | £1,278,165 |
| R S Recovery (Midlands) Limited | | | tax violations | 2017 | UK-HMRC | £68,235 |
| R Parfitt Construction Limited | | | tax violations | 2023 | UK-HMRC | £45,035 |
| R P Imray | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £1,000 |
| R M Wholesalers Limited dba Booze Depot RM Drinks | | | tax violations | 2018 | UK-HMRC | £116,270 |
| R J Billups Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £3,100 |
| R A Contractors (UK) Limited | | | tax violations | 2023 | UK-HMRC | £59,564 |
| R & P McDonald LTD | | | tax violations | 2019 | UK-HMRC | £59,041 |
| R & M Management (I.O.M.) Limited | | | anti-money-laundering deficiencies | 2022 | UK-IOM | £7,944 |
| R & Fine Arts Ltd AMP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £10,000 |
| R & D Tax and Grants Limited | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £0 |
| Quinn Infrastructure Services Ltd. Formerly known as M J Quinn Integrated Services Limited. | | | tax violations | 2023 | UK-HMRC | £156,983 |
| Quindene Ltd dba Taormina Restaurant | | | tax violations | 2017 | UK-HMRC | £32,051 |
| Quick Practical Services Ltd | | | tax violations | 2019 | UK-HMRC | £31,683 |
| Quick Cladding Solutions Limited | | | tax violations | 2023 | UK-HMRC | £44,179 |
| Quay Business Advice Limited | | | accounting fraud or deficiencies | 2018 | UK-ICAEW | £915 |
| Quay A63 Limited | | | tax violations | 2021 | UK-HMRC | £212,430 |
| Quality Pizza Limited | | | tax violations | 2017 | UK-HMRC | £68,227 |
| Quality Meats | | | tax violations | 2020 | UK-HMRC | £14,940 |
| Quality Home Improvements Ltd | | | tax violations | 2018 | UK-HMRC | £20,500 |
| Quality Cafe | | | tax violations | 2017 | UK-HMRC | £11,608 |
| Quad Connect Ltd dba Tele-Unity Ltd. | | | tax violations | 2019 | UK-HMRC | £27,323 |
| Qmin Limited | | | tax violations | 2016 | UK-HMRC | £32,825 |
| QIB (UK) Plc | | | internal controls deficiency | 2016 | UK-PRA | £1,384,950 |
| Q Dumpling Bar Limited | | | tax violations | 2024 | UK-HMRC | £28,407 |
| PWS Financial Services Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £3,700 |
| PwC LLP | PricewaterhouseCoopers | business services | accounting fraud or deficiencies | 2017 | UK-FRC | £5,000,000 |
| Purplebricks Group PLC | | | anti-money-laundering deficiencies | 2020 | UK-HMRC | £266,793 |
| Purple Patch Profits Limited ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £1,950 |
| Purple Orange (Northumberland) Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £3,400 |
| Purple Island Supplies Ltd | | | tax violations | 2019 | UK-HMRC | £24,114 |
| Purple Eye Limited | | | anti-money-laundering deficiencies | 2021 | UK-HMRC | £0 |
| Purefleet Limited | | | tax violations | 2018 | UK-HMRC | £41,421 |
| Pure Veg Ltd | | | tax violations | 2017 | UK-HMRC | £11,640 |
| Pure City Ltd | | | tax violations | 2018 | UK-HMRC | £75,678 |
| Pure & Fresh London Ltd | | | tax violations | 2023 | UK-HMRC | £43,102 |
| Pubpay & Stonehenge Payrolls Ltd ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £4,500 |
| Pub Hub Accountancy Services Limited | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £0 |
| PSV Tech Engineering Limited | | | tax violations | 2023 | UK-HMRC | £66,911 |
| Prudential plc | Prudential PLC | financial services | investor protection violation | 2013 | UK-FSA | £14,000,000 |
| Provident Trustees (Guernsey) Limited | | | anti-money-laundering deficiencies | 2016 | UK-GFSC | £42,000 |
| Providence (Leic) Limited | | | tax violations | 2016 | UK-HMRC | £24,867 |
| Proud Goulbourn | | | accounting fraud or deficiencies | 2022 | UK-ICAEW | £2,100 |
| Protouch Valeting Services | | | tax violations | 2016 | UK-HMRC | £10,240 |
| Protego Security Services Limited | | | tax violations | 2024 | UK-HMRC | £839,306 |
| Propertylink London Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £7,000 |
| Property Partners More Ltd EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,750 |
| Property Park Mortgages | | | mortgage abuses | 2010 | UK-FSA | £104,294 |
| Property MJ Limited EAB | | | anti-money-laundering deficiencies | 2021 | UK-HMRC | £1,250 |
| Property Management (London) Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £14,500 |
