| Plfive Professional Cleaning Services Ltd | Administrative & support | 2022 |
| PM Properties Solutions Ltd | Real estate | 2025 |
| PMJ Communications Limited | Professional & scientific | 2020 |
| PMK Enterprises Limited | Administrative & support | 2009 |
| PMY Ltd | Wholesale & retail | 2005 |
| Poke & Palmer Collective Ltd | Health & social care | 2026 |
| Polestar Realty Limited | Real estate | 2024 |
| Polygold Investment Ltd | Information & communication | 2024 |
| Pontaq Nominees Limited | Financial services | 2018 |
| Port Consultants Ltd. | Administrative & support | 2007 |
| Portaresco Route Ltd | Transport & logistics | 2021 |
| Pozniak Ltd | Construction | 2023 |
| PPS Surrey Ltd | Administrative & support | 2011 |
| Practicos Software Limited | Information & communication | 2026 |
| Praddy Holidays Ltd | Administrative & support | 2024 |
| Pras Property Ltd | Real estate | 2024 |
| Preciouscart Limited | Wholesale & retail | 2025 |
| Precision Brickwork Ltd | Construction | 2024 |
| Precision Construction and Carpentry Limited | Construction | 2025 |
| Precon Talent Ltd | Administrative & support | 2025 |
| Preety Property Ltd | Real estate | 2025 |
| Prep My Foods Limited | Hospitality | 2025 |
| Prescribe PAL Clinic Ltd | Health & social care | 2025 |
| Prescribe PAL Ltd | Wholesale & retail | 2025 |
| Prescribe Wholesale Ltd | Wholesale & retail | 2023 |
| Press AI Limited | Information & communication | 2023 |
| Pretty Little Bundles Ltd | Other services | 2019 |
| Prime Clinictech Ltd | Health & social care | 2025 |
| Prime Home Shutters Ltd | Construction | 2020 |
| Primeport Clearance Ltd | Transport & logistics | 2026 |
| Principal Resolution Ltd | Financial services | 2011 |
| Print Click UK Ltd | Manufacturing | 2022 |
| Pro Skills London Limited | Education | 2020 |
| Pro Trans Kent Limited | Transport & logistics | 2017 |
| Proact Accountants Ltd | Professional & scientific | 2020 |
| Proactive Pharmaceuticals Ltd | Manufacturing | 2025 |
| Profound Limited | Administrative & support | 2020 |
| Profound Luxe Limited | Wholesale & retail | 2026 |
| Project Maidstone Ltd | Real estate | 2015 |
| Property Management and Maintenance Services Limited | Real estate | 2025 |
| Proptopia Ltd | Real estate | 2023 |
| Proptuity Ltd | Construction | 2014 |
| Prosota Ltd | Professional & scientific | 2025 |
| Prosper Flourish Limited | Extraterritorial | 2023 |
| Prosperity for ALL Limited | Education | 2023 |
| Protechsync Ltd | Professional & scientific | 2025 |
| Provan Garage Ltd | Wholesale & retail | 2022 |
| PRV Properties UK Ltd | Real estate | 2025 |
| PSI Exterior Cleaning Ltd | Administrative & support | 2023 |
| PT Health and Fitness Limited | Other services | 2015 |
| PTD Property Limited | Real estate | 2018 |
| Pulse Field Solutions Ltd | Wholesale & retail | 2025 |
| Punjab Civils Limited | Construction | 2021 |
| Pure Solutions Limited | Real estate | 2020 |
| Pure Talent Sports Ltd | Arts & recreation | 2021 |
| Purewal and Sons Property Limited | Professional & scientific | 2021 |
| Purewal Developments Limited | Real estate | 2021 |
| Purple Popcorn Productions Ltd | Information & communication | 2018 |
| Purple Willows Ltd | Education | 2017 |
| Pusey Intimates Limited | Professional & scientific | 2015 |
| Qaiser Khalid Mahmood Butt Ltd | Wholesale & retail | 2025 |
| QE Consultancy Ltd | Education | 2023 |
| QPA Holdings Ltd | Real estate | 2025 |
| QPA Properties Ltd | Households | 2022 |
| Qualified Plastercraft Ltd | Construction | 2014 |
| Quality & Care Ltd | Extraterritorial | 2003 |
| Quantum Therapeutics Limited | Wholesale & retail | 2022 |
| Questae Collective Limited | Professional & scientific | 2020 |
| Quillsmiths Publishing Limited | Information & communication | 2025 |
| Quorion Ltd | Professional & scientific | 2025 |
| R & D Hardware Ltd | Wholesale & retail | 2019 |
| R a Engineering Solutions Holdings Limited | Professional & scientific | 2025 |
| R G Garrett Installations Limited | Construction | 2016 |
| R M Research Limited | Professional & scientific | 2004 |
| RA Engineering Solutions Ltd | Professional & scientific | 2016 |
| RA Investment Property Limited | Real estate | 2018 |
| Radu Building & Construction Limited | Construction | 2019 |
| Rafah Healthcare Ltd | Administrative & support | 2023 |
| Rafah Ltd | Administrative & support | 2019 |
| Raimis Ltd | Transport & logistics | 2022 |
| Rainbow Rise Ltd | Real estate | 2025 |
| RAJ Thapa Ltd | Wholesale & retail | 2024 |
| Raja Traders GRT Ltd | Wholesale & retail | 2024 |
| RAP & Sons Ltd | Financial services | 2018 |
| RAP Cleans Ltd | Administrative & support | 2025 |
| Rara Properties London Ltd | Real estate | 2024 |
| Rare Wolfz Entertainment Ltd | Information & communication | 2025 |
| Rawad Hassan Dibo Trading Ltd | Wholesale & retail | 2025 |
| Razzawebit Ltd | Professional & scientific | 2025 |
| RB & JB Property Management Company Ltd | Other services | 2014 |
| RB Management Company Ltd | Professional & scientific | 2020 |
| RB Personal Management Company Ltd | Other services | 2013 |
| RC IT Consulting Limited | Information & communication | 2025 |
| Rccg Double Portion Assembly UK, London Ltd | Other services | 2023 |
| Real Homes Ventures Ltd | Real estate | 2022 |
| Real Ones Brand Ltd | Wholesale & retail | 2025 |
| Real State Advisors Limited | Administrative & support | 2018 |
| Recan Limited | Wholesale & retail | 2023 |
| Red Aspect Limited | Extraterritorial | 2021 |
| Red Barber D & S Ltd | Other services | 2014 |