| Pizza Time | | | tax violations | 2018 | UK-HMRC | £9,852 |
| Pizza Time | | | tax violations | 2022 | UK-HMRC | £37,269 |
| PJ Builders | | | tax violations | 2018 | UK-HMRC | £42,837 |
| PJ Eastbourne Limited fka Papa John Eastbourne Ltd. | | | tax violations | 2022 | UK-HMRC | £151,136 |
| PJA Promotions Limited | | | tax violations | 2023 | UK-HMRC | £22,509 |
| PJS Partitions & Ceilings Ltd | | | tax violations | 2019 | UK-HMRC | £49,811 |
| PKF Littlejohn LLP | | | accounting fraud or deficiencies | 2024 | UK-ICAEW | £12,693 |
| PKF Littlejohn LLP | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £6,353 |
| PKF Littlejohn LLP | | | accounting fraud or deficiencies | 2023 | UK-ICAEW | £12,518 |
| PKF Smith Cooper Audit Limited | | | accounting fraud or deficiencies | 2024 | UK-ICAEW | £0 |
| Place Flight | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £2,000 |
| Place Trading Limited | | | tax violations | 2017 | UK-HMRC | £80,149 |
| Placidi Law Company Limited | | | anti-money-laundering deficiencies | 2024 | UK-SRA | £7,800 |
| Plan It Tax Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £1,500 |
| Platinum Car Clinic Ltd | | | tax violations | 2024 | UK-HMRC | £38,338 |
| Platinum Management Services Ltd | | | tax violations | 2018 | UK-HMRC | £23,657 |
| Platinum Property Homes Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £1,450 |
| Plew13 Ltd | | | tax violations | 2017 | UK-HMRC | £118,651 |
| Plus 4 Packaging Ltd | | | tax violations | 2024 | UK-HMRC | £27,606 |
| Plus500UK Limited | Plus500 Limited | financial services | investor protection violation | 2012 | UK-FSA | £205,128 |
| PM Guide | | | tax violations | 2023 | UK-HMRC | £21,977 |
| PMC Accountants Limited | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £175 |
| PMC Partnership Limited ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £3,400 |
| Poets House Limited | | | tax violations | 2016 | UK-HMRC | £271,078 |
| Polish & International Foods | | | tax violations | 2022 | UK-HMRC | £92,324 |
| Politimore Arms (The) | | | tax violations | 2017 | UK-HMRC | £89,007 |
| Pollock Associates Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £7,000 |
| Polski Sklep Ltd | | | tax violations | 2019 | UK-HMRC | £26,227 |
| Pomodoro Solutions Limited ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £3,300 |
| Pooja Enterprises (UK) Ltd | | | tax violations | 2017 | UK-HMRC | £17,311 |
| Poolemead Accountants Limited | | | accounting fraud or deficiencies | 2024 | UK-ICAEW | £1,600 |
| Popov Constructions Ltd | | | tax violations | 2021 | UK-HMRC | £228,444 |
| Porritt Rainey | | | accounting fraud or deficiencies | 2023 | UK-ICAEW | £700 |
| Porton Biopharma Limited | | | tax violations | 2019 | UK-HMRC | £80,361 |
| Posh Plaice Epsom Limited | | | tax violations | 2018 | UK-HMRC | £19,860 |
| Positive M+E Ltd | | | tax violations | 2023 | UK-HMRC | £75,959 |
| Potraviny Danko | | | tax violations | 2019 | UK-HMRC | £12,045 |
| Potters Drinks Ltd dba The Beer Fella | | | tax violations | 2019 | UK-HMRC | £111,351 |
| Povey Little Limited | | | accounting fraud or deficiencies | 2019 | UK-ICAEW | £10,000 |
| Powell Floors Limited | | | tax violations | 2019 | UK-HMRC | £35,042 |
| Power Fire MT Ltd | | | tax violations | 2024 | UK-HMRC | £40,667 |
| Power Rod and Crann Limited | | | tax violations | 2016 | UK-HMRC | £47,847 |
| PR Finance and Development Ltd | | | tax violations | 2023 | UK-HMRC | £180,941 |
| Prahlad Bubbar Limited AMP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £13,350 |
| Prayosha Off Licence | | | tax violations | 2021 | UK-HMRC | £14,459 |
| Premier Business Services Ltd ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,750 |
| Premier Metals (Leeds) Ltd | | | tax violations | 2017 | UK-HMRC | £4,685,825 |
| Premier Property Rentals Limited | | | tax violations | 2016 | UK-HMRC | £40,740 |
| Premier Residential Lettings Ltd EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,450 |
| Premier Signature London Ltd | | | tax violations | 2023 | UK-HMRC | £125,602 |
| Premier Skip Hire | | | tax violations | 2021 | UK-HMRC | £235,988 |
| Premier Store (Oldham Road) LLP | | | tax violations | 2019 | UK-HMRC | £31,403 |
| Premier Store (Peel Lane) LLP | | | tax violations | 2019 | UK-HMRC | £30,387 |
| Premier Waste & Recycling Ltd | | | tax violations | 2014 | UK-HMRC | £2,806,526 |
| Premiere Bathroom Design Limited | | | tax violations | 2019 | UK-HMRC | £29,607 |
| Premium Brand Management Limited | | | tax violations | 2022 | UK-HMRC | £1,410,110 |
| Premium Quality Foods Ltd dba Premium Quality Foods & Islamabad Halal Butchers | | | tax violations | 2018 | UK-HMRC | £59,088 |
| Presstek Ltd | | | tax violations | 2024 | UK-HMRC | £89,780 |
| Prestiger Ltd | | | tax violations | 2024 | UK-HMRC | £109,300 |
| Preston London Ltd (Trading as "Thai West Cafe') | | | tax violations | 2023 | UK-HMRC | £56,950 |
| Prestons & Jacksons Partnership LLP | | | accounting fraud or deficiencies | 2018 | UK-ICAEW | £2,500 |
| Pretty Nails | | | tax violations | 2019 | UK-HMRC | £27,150 |
| Pretty Nails NLA Ltd | | | tax violations | 2021 | UK-HMRC | £13,312 |
| Prevense UK Ltd | | | tax violations | 2024 | UK-HMRC | £21,846 |
| Price Pearson Ltd | | | accounting fraud or deficiencies | 2019 | UK-ICAEW | £1,000 |
| Priceline Ltd f/a Rocky's | | | tax violations | 2024 | UK-HMRC | £45,166 |
| PriceWaterhouseCoopers | PricewaterhouseCoopers | business services | accounting fraud or deficiencies | 2018 | UK-FRC | £10,000,000 |
| PricewaterhouseCoopers CI LLP | PricewaterhouseCoopers | business services | accounting fraud or deficiencies | 2022 | UK-ICAEW | £234,405 |
| PricewaterhouseCoopers LLP | PricewaterhouseCoopers | business services | accounting fraud or deficiencies | 2024 | UK-FRC | £5,173,730 |
| PricewaterhouseCoopers LLP | PricewaterhouseCoopers | business services | accounting fraud or deficiencies | 2024 | UK-FCA | £15,000,000 |
| PricewaterhouseCoopers LLP | PricewaterhouseCoopers | business services | accounting fraud or deficiencies | 2017 | UK-FRC | £5,600,000 |
| PricewaterhouseCoopers LLP | PricewaterhouseCoopers | business services | accounting fraud or deficiencies | 2016 | UK-FRC | £3,050,000 |
| PricewaterhouseCoopers LLP | PricewaterhouseCoopers | business services | accounting fraud or deficiencies | 2020 | UK-ICAEW | £30,612 |
| PricewaterhouseCoopers LLP | PricewaterhouseCoopers | business services | accounting fraud or deficiencies | 2019 | UK-FRC | £4,550,000 |
| PricewaterhouseCoopers LLP | PricewaterhouseCoopers | business services | accounting fraud or deficiencies | 2022 | UK-FRC | £1,959,750 |
| PricewaterhouseCoopers LLP | PricewaterhouseCoopers | business services | accounting fraud or deficiencies | 2022 | UK-FRC | £3,038,750 |
| PricewaterhouseCoopers LLP | PricewaterhouseCoopers | business services | accounting fraud or deficiencies | 2022 | UK-FRC | £2,415,000 |
| PricewaterhouseCoopers LLP | PricewaterhouseCoopers | business services | accounting fraud or deficiencies | 2023 | UK-FRC | £5,625,000 |
| PricewaterhouseCoopers LLP | PricewaterhouseCoopers | business services | accounting fraud or deficiencies | 2023 | UK-FRC | £2,256,625 |
| Prima Gusto Ltd | | | tax violations | 2020 | UK-HMRC | £130,958 |
| Primary Care Management Services Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £4,334 |
| Prime Business Services (London) Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £4,000 |
| Prime Central Estates Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £1,450 |
| Prime London Services Ltd | | | tax violations | 2024 | UK-HMRC | £1,631,680 |
| Primestay London Ltd EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,750 |
| Prism Perceptions Ltd | | | tax violations | 2018 | UK-HMRC | £30,476 |
| Pristine Accounts Limited ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £4,000 |
| Pro Estates Uk Ltd EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £4,500 |
| Procare Quality Services Limited. Formerly known as Procare Care Limited. | | | tax violations | 2020 | UK-HMRC | £13,816 |
| Procters Property Limited EAB | | | anti-money-laundering deficiencies | 2021 | UK-HMRC | £1,650 |
| Product Placement Sales and Marketing Consultants Limited | | | tax violations | 2020 | UK-HMRC | £1,006,335 |
| Profit By Design Ltd ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £1,550 |
| Project Force Limited | | | tax violations | 2020 | UK-HMRC | £28,370 |
| Project G Ltd | | | tax violations | 2023 | UK-HMRC | £71,886 |
| Prono Ltd | | | tax violations | 2023 | UK-HMRC | £26,961 |
| Proper Roast | | | tax violations | 2023 | UK-HMRC | £63,943 |
| Property Company Group Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £7,350 |
| Property Management (London) Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £14,500 |
| Property MJ Limited EAB | | | anti-money-laundering deficiencies | 2021 | UK-HMRC | £1,250 |
| Property Partners More Ltd EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,750 |
| Propertylink London Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £7,000 |
