| Pony and TAP Ltd | Hospitality | 2023 |
| Poofi Ltd | Wholesale & retail | 2025 |
| POP UP Interiors Ltd | Extraterritorial | 2015 |
| Popdoll Limited | Wholesale & retail | 2025 |
| Poplarutler Hratton Ltd | Wholesale & retail | 2025 |
| Popmoco Ltd. | Wholesale & retail | 2024 |
| Poppy Services (South Ribble) Ltd | Water & waste | 2026 |
| Populus Euphratica Media Limited | Wholesale & retail | 2025 |
| Popz Kitchen Ltd | Hospitality | 2021 |
| Port Talbot Gwendoline Ltd | Real estate | 2017 |
| Portalvexa Delivery Flow Ltd | Information & communication | 2026 |
| Portland Berkelinser Ltd | Wholesale & retail | 2025 |
| Portrush Solutions Limited | Information & communication | 2018 |
| Portsmouth Area Property Management Ltd | Real estate | 2025 |
| Portvelle Ltd | Wholesale & retail | 2025 |
| Poseidon LAB Ltd | Information & communication | 2020 |
| Poseidon Protection Ltd | Administrative & support | 2023 |
| Poshco Ltd | Wholesale & retail | 2021 |
| Poshtrannie Limited | Arts & recreation | 2020 |
| Positive Steps Consulting Ltd | Professional & scientific | 2022 |
| POT26 Ltd | Hospitality | 2026 |
| Pouch RAT Ltd | Wholesale & retail | 2026 |
| Poultry House Build and Cladding Limited | Construction | 2025 |
| Pour'N'Bake Ltd | Manufacturing | 2022 |
| Power System Contracting Ltd | Wholesale & retail | 2024 |
| Power Tiger Technology Ltd | Wholesale & retail | 2025 |
| Powerado Engineering Ltd | Manufacturing | 2024 |
| Powered by Grace Ltd | Information & communication | 2025 |
| Powereee Ltd | Manufacturing | 2025 |
| Powerful Wealth Ltd | Wholesale & retail | 2025 |
| Powerrdp Network Ltd | Information & communication | 2026 |
| Poxmax Ltd | Wholesale & retail | 2025 |
| POY Fashion Ltd | Wholesale & retail | 2026 |
| PPC Amplify Limited | Professional & scientific | 2024 |
| Practical Reality Ltd | Professional & scientific | 2023 |
| Praetorian Protect Ltd | Other services | 2025 |
| Pragmatic Data Research UK Ltd | Information & communication | 2022 |
| Pragmexa Technologies Ltd | Information & communication | 2025 |
| Prambala Mondello Ltd | Wholesale & retail | 2025 |
| Prana Tech Ltd | Information & communication | 2023 |
| Pratt Schneider's Ltd | Wholesale & retail | 2020 |
| Pravda Security Group Ltd. | Administrative & support | 2021 |
| Precedent Estate Management Ltd | Real estate | 2026 |
| Precious Business and Education Consulting Ltd | Wholesale & retail | 2023 |
| Precision Financial Services Ltd | Professional & scientific | 2019 |
| Precision Industry Co., Limited | Administrative & support | 2020 |
| Precision Jupiter Consulting Ltd. | Information & communication | 2007 |
| Precision Traffic Management Ltd | Other services | 2023 |
| Precisionforge Engineering Ltd | Wholesale & retail | 2025 |
| Preddy & Co LLP | | 2006 |
| Prefrontal Ltd | Information & communication | 2023 |
| Prelution International UK Ltd. | Wholesale & retail | 2020 |
| Premak Services Ltd | Professional & scientific | 2025 |
| Premassist Ltd | Professional & scientific | 2009 |
| Premier Anglo Trade Ltd | Wholesale & retail | 2025 |
| Premier Assistance Business Ltd | Financial services | 2024 |
| Premier Link Exhibition Group Ltd | Administrative & support | 2016 |
| Premier Surgical Alliance Ltd | Health & social care | 2020 |
| Premier Trade and Investment Limited | Professional & scientific | 2018 |
| Premier Trade&Consulting (UK) LLP | | 2014 |
| Premium Holdings Limited | Wholesale & retail | 2026 |
| Premium Travel Concierge Ltd | Wholesale & retail | 2022 |
| Premiumetsy Customized Gifts E-Commerce Co., Ltd | Wholesale & retail | 2024 |
| Prensa Ltd | Manufacturing | 2025 |
| Prepreign Ltd | Wholesale & retail | 2025 |
| Press Rift Ltd | Professional & scientific | 2025 |
| Presteigne Building Supplies Ltd | Wholesale & retail | 2011 |
| Prestige Asset Holdings Limited | Administrative & support | 2025 |
| Prestige Draws Limited | Arts & recreation | 2026 |
| Prestige Property Partners Ltd | Real estate | 2025 |
| Prestige Support Network Ltd | Health & social care | 2026 |
| Prestigeclean Hub Ltd. | Administrative & support | 2025 |
| Pretty Pony Ltd | Extraterritorial | 2026 |
| Priansi Limited | Wholesale & retail | 2026 |
| Prime Groupe Ltd | Information & communication | 2025 |
| Prime Loop Limited | Wholesale & retail | 2025 |
| Prime Pixel Ltd | Professional & scientific | 2023 |
| Prime Prop Trader Ltd | Financial services | 2025 |
| Prime Properties Nationwide Ltd | Real estate | 2024 |
| Prime Shot Photography Ltd | Wholesale & retail | 2026 |
| Prime Sport Pathways Ltd | Education | 2026 |
| Prime Trade Solitions Limited | Information & communication | 2026 |
| Prime Years Care Agency Limited | Health & social care | 2026 |
| Primeatlas Trade Ltd | Wholesale & retail | 2025 |
| Primebasket Trading Ltd | Wholesale & retail | 2026 |
| Primeedge IT Services Ltd | Information & communication | 2026 |
| Primegoods Trade Ltd | Wholesale & retail | 2025 |
| Primelink Solutions Ltd | Professional & scientific | 2025 |
| Primepath Deals Limited | Wholesale & retail | 2025 |
| Primeshine Property Care Ltd | Administrative & support | 2025 |
| Primrose Garmill Ltd | Wholesale & retail | 2025 |
| Princess Spas Ltd | Construction | 2017 |
| Principle Thinking Limited | Other services | 2020 |
| Principle Vendors Ltd | Wholesale & retail | 2025 |
| Print Fusion Studio Ltd | Wholesale & retail | 2022 |
| Priority Group Holdings Limited | Construction | 2024 |
| Prism Fine Arts Limited | Wholesale & retail | 2025 |
| Prismoris Global Trading Limited | Wholesale & retail | 2026 |
| Pristal Solutions Limited | Wholesale & retail | 2025 |
| Pristine Edge Limited | Wholesale & retail | 2025 |