| Plain English Limited | Professional & scientific | 1992 |
| Plain English Society Limited | Professional & scientific | 2000 |
| Plan-It Financial Solutions Ltd | Financial services | 2013 |
| Plane Sailing Ltd | Administrative & support | 1993 |
| Plants (Holdings) Limited | Professional & scientific | 1989 |
| Plants of Whaley Bridge Limited | Construction | 1964 |
| PMC Packaging Limited | Manufacturing | 2016 |
| PMG Services Ltd | Professional & scientific | 2015 |
| Pmgp Ltd | Financial services | 2015 |
| Policy Forward Ltd | Professional & scientific | 2026 |
| Polyurethane Technology Limited | Administrative & support | 2012 |
| POP UP Portraits Ltd | Professional & scientific | 2021 |
| Popes Lane by Products Limited | Water & waste | 2002 |
| Popes Lane Pet Food Supplies Limited | Professional & scientific | 1981 |
| Portobelloitalia Limited | Hospitality | 2023 |
| Portwood Investments Limited | Real estate | 1962 |
| Powco Ltd | Construction | 2017 |
| PP Web Properties Limited | Information & communication | 2010 |
| Precision Compressed Tablets Limited | Extraterritorial | 1943 |
| Prestige Auto Detailing Ltd | Transport & logistics | 2021 |
| Prestige Payments Limited | Administrative & support | 2021 |
| Prestige Worldwide Property Ltd | Real estate | 2020 |
| Priderange Properties Limited | Real estate | 2002 |
| Prime Card Collectibles Limited | Wholesale & retail | 2025 |
| Pro-Dec Property Services Limited | Construction | 2007 |
| Profit Outcome Limited | Information & communication | 2023 |
| Proflow Automotive Limited | Wholesale & retail | 2016 |
| Project Development and Management Services Limited | Professional & scientific | 2020 |
| Proppa Creative Ltd | Professional & scientific | 2022 |
| Proudfeet Limited | Information & communication | 2024 |
| Prusmann Jones Financial Services Limited | Financial services | 2005 |
| PS Utilities Ltd | Wholesale & retail | 2013 |
| PSH Construction Ltd | Construction | 2017 |
| PSR Estate and Lettings Agents Ltd | Real estate | 2026 |
| Pst-Ox Trading Ltd | Wholesale & retail | 2026 |
| Pubs and US Ltd | Hospitality | 2025 |
| PUG and Pudding (Chapel) Ltd | Hospitality | 2021 |
| Purecoat Limited | Manufacturing | 2011 |
| PW Software Limited | Information & communication | 2022 |
| Pwdw Consulting Limited | Professional & scientific | 2026 |
| Qsic Ltd | Professional & scientific | 2008 |
| Quadcopter Pro Limited | Information & communication | 2012 |
| Quantum Construction Consulting Limited | Construction | 2015 |
| Quantum Sales Limited | Professional & scientific | 2015 |
| Quick Logic Software Limited | Information & communication | 2023 |
| Quiet Loud Limited | Professional & scientific | 1997 |
| R & W Heap (Holding) Co. Limited | Real estate | 1933 |
| R B Nock-Technical Consultancy Limited | Information & communication | 2008 |
| R Kenyon MOT & Servicing Limited | Wholesale & retail | 2013 |
| R P Mechanical Services (Chapel) Limited | Manufacturing | 2015 |
| R. COX Electrics Limited | Construction | 1985 |
| Rachel Mcelroy Ltd | Information & communication | 2015 |
| Rafaella Media Limited | Arts & recreation | 2025 |
| Rainford Models Limited | Manufacturing | 1988 |
| Rainyday Studio Ltd. | Information & communication | 2022 |
| Raise the Bar Events Limited | Wholesale & retail | 2016 |
| Ranger Expeditions Ltd | Information & communication | 1999 |
| RBS Logistics Ltd | Wholesale & retail | 2010 |
| RC Drylining Limited | Construction | 2011 |
| RDF Consultants Limited | Construction | 2014 |
| RDF Lighting Power and Control Limited | Construction | 2020 |
| RDY Installations Ltd | Manufacturing | 2020 |
| Reason WHY Limited | Professional & scientific | 2012 |
| Reconnect Psychology Limited | Education | 2023 |
| Red Alpha Consultancy Ltd | Professional & scientific | 2021 |
| Red Gorton Properties Limited | Construction | 2015 |
| Red J Consulting Limited | Information & communication | 2013 |
| Redbox Internet Services Limited | Administrative & support | 2007 |
| Redmed Editing Ltd | Administrative & support | 2019 |
| Reed Family Linens Limited | Manufacturing | 2010 |
| Regeneration Action Limited | Professional & scientific | 2007 |
| Regional Supply Chain Services Limited | Administrative & support | 2009 |
| Reisser Crate Mate Limited | Wholesale & retail | 2012 |
| RELOC8 London Ltd | Other services | 2020 |
| RELOC8 Members Ltd | Other services | 2024 |
| RELOC8 Midlands Ltd | Other services | 2020 |
| RELOC8 National Ltd | Other services | 2024 |
| RELOC8 Stoke Ltd | Other services | 2020 |
| RELOC8 UK Limited | Other services | 2018 |
| RENOV8 & Build Ltd | Construction | 2023 |
| Rensa Limited | Construction | 2026 |
| Restoration Factors Ltd | Wholesale & retail | 2025 |
| Richard Jones (Manchester) Limited | Real estate | 1983 |
| Ride for Charlie Limited | Administrative & support | 2017 |
| Ridge Heat & Power Limited | Other services | 2022 |
| Ridgeway Transport (UK) Limited | Transport & logistics | 2008 |
| Riley Behavioural Referrals Ltd | Education | 2013 |
| Rim-Mix Limited | Manufacturing | 2022 |
| Riskready Ltd | Professional & scientific | 2017 |
| River Sett Cottages Management Company Limited | Households | 2018 |
| Rivercroft Consultants Limited | Financial services | 2009 |
| Rivertown Developments Limited | Real estate | 1983 |
| Rjwwa Limited | Wholesale & retail | 2025 |
| RLH Engineering Ltd | Professional & scientific | 2014 |
| Roadster Sport Ltd | Wholesale & retail | 2018 |
| Roar Advanced Finishing Limited | Manufacturing | 2013 |
| ROB Shaw (TFG) Associates Ltd | Administrative & support | 2018 |
| ROB Westbrook Architects Ltd | Professional & scientific | 2017 |
| Robinson Lecturing Limited | Education | 2025 |
| Rock Seed Limited | Real estate | 2015 |