| PMP Drive Industries Co., Limited | Manufacturing | 2023 |
| Poached Ltd | Hospitality | 2019 |
| Pocketzen Limited | Information & communication | 2025 |
| Pocopoco Ltd | Wholesale & retail | 2023 |
| Poisable Limited | Administrative & support | 2026 |
| Polish Amino Acid Fertilizer and Chemical Stock Co., Ltd | Mining & quarrying | 2023 |
| Pollair Services Limited | Construction | 2013 |
| Polychain Capital Co. Ltd | Administrative & support | 2018 |
| Pomerance (Furs) Limited | Extraterritorial | 1947 |
| Pomi-Wear Ltd | Extraterritorial | 2022 |
| Ponto Studio Ltd | Manufacturing | 2026 |
| Pontus Lighting Co., Limited | Wholesale & retail | 2024 |
| Ponyo Int'L Commodity Co., Ltd | Manufacturing | 2019 |
| Pooling Tech Limited | Information & communication | 2023 |
| POP Gift Limited | Extraterritorial | 2024 |
| POP UP Destinations Limited | Hospitality | 2020 |
| Pop-Print Ltd | Wholesale & retail | 2024 |
| Porpower Energy Limited | Manufacturing | 2020 |
| Portex Import Ltd | Wholesale & retail | 2022 |
| Portman and Pooch Limited | Wholesale & retail | 2025 |
| Portman Street Consulting Ltd | Professional & scientific | 2024 |
| Portman Street Limited | Administrative & support | 2017 |
| Portuguese Treats Limited | Hospitality | 2019 |
| Post Elliot Ltd | Arts & recreation | 2025 |
| Potachem Industry Ltd. | Manufacturing | 2024 |
| Potential Ignited Ltd | Professional & scientific | 2013 |
| Potter Raper Ltd | Professional & scientific | 2018 |
| Pouchkines Patisserie Limited | Manufacturing | 2023 |
| Poulter Properties Ltd | Real estate | 2012 |
| POW PR Ltd | Professional & scientific | 2022 |
| Power Line Group Ltd | Construction | 2022 |
| Power Plus Electrics Ltd | Professional & scientific | 2023 |
| Power Solutions Developing Co., Limited | Extraterritorial | 2020 |
| Powerdog Co., Ltd | Manufacturing | 2016 |
| Powerflow Control Co., Limited | Extraterritorial | 2016 |
| Powerful Woman Love Ltd | Education | 2018 |
| Powerhouse Real Estate Limited | Real estate | 2019 |
| Powersea Technology Co., Ltd | Extraterritorial | 2014 |
| Poynings Limited | Households | 1982 |
| Ppfg Properties Ltd | Construction | 2021 |
| PPG Hemmelrath New Materials UK Ltd. | Manufacturing | 2019 |
| PPM Flat Maintenance Ltd | Administrative & support | 2018 |
| PPM Group (Kent) Ltd | Real estate | 2019 |
| PPM Refurbishment Ltd | Households | 2018 |
| PPR Consultants Limited | Professional & scientific | 2011 |
| Practical Results Network Limited | Information & communication | 2008 |
| Praite Textile Co., Ltd | Manufacturing | 2020 |
| Prana New Energy Ltd. | Extraterritorial | 2014 |
| Prana Solutions Tech Ltd | Information & communication | 2025 |
| Prasand International Limited | Construction | 1976 |
| Prault Group Limited | Manufacturing | 2022 |
| Pravesa Ltd | Wholesale & retail | 2022 |
| PRC Industry Co., Ltd | Wholesale & retail | 2020 |
| Pre-Image Learning and Action Ltd | Professional & scientific | 2022 |
| Prechemie Co., Ltd. | Extraterritorial | 2017 |
| Precious Peridot Limited | Financial services | 2021 |
| Precisionaegis Instrument Co., Ltd | Manufacturing | 2025 |
| Premier Pest Control Limited | Other services | 1993 |
| Premier Unite to Morris International Lubrication Technology Co., Ltd | Manufacturing | 2019 |
| Premium Business Centre Management Ltd | Real estate | 2018 |
| Premium Grating PTY Limited | Manufacturing | 2023 |
| Present Moment Therapies Ltd | Health & social care | 2026 |
| Presidential Homes Limited | Real estate | 2024 |
| Prestek Industrial Co., Ltd | Extraterritorial | 2016 |
| Prestige RUG House Ltd | Wholesale & retail | 2026 |
| Pretty RAT Consulting Ltd | Extraterritorial | 2023 |
| Prezm Ltd | Administrative & support | 2019 |
| PRG Holdings Ltd | Administrative & support | 2025 |
| Primary Ophthalmic Solutions | Health & social care | 2017 |
| Prime Auto Trade Co., Ltd | Extraterritorial | 2023 |
| Prime Dragon Co., Ltd | Extraterritorial | 2021 |
| Prime Joy International Limited | Extraterritorial | 2017 |
| Prime Performance Cars Ltd | Wholesale & retail | 2025 |
| Prime Shelter Ltd | Real estate | 2019 |
| Prime Wire Mesh International Ltd | Wholesale & retail | 2025 |
| Primetem Project Limited | Information & communication | 2025 |
| Priority Rocks Ltd | Manufacturing | 2012 |
| Pristine Sparkle Limited | Real estate | 2009 |
| Pritchard Joyce & Hinds Limited | Professional & scientific | 2011 |
| Private Health Doctors Ltd | Health & social care | 2015 |
| Privett Enterprises Limited | Administrative & support | 2010 |
| PRL Trustee Limited | Financial services | 2022 |
| Pro Electrade Co., Ltd | Extraterritorial | 2019 |
| Pro Living Ltd | Construction | 2014 |
| Pro Woodwork Installations Limited | Manufacturing | 2022 |
| Proactive Recruiters UK Ltd | Administrative & support | 2025 |
| Probitas Financial Solutions Limited | Financial services | 2014 |
| Procare Beauty UK Ltd | Wholesale & retail | 2025 |
| Proceed Liao Cultural Ltd | Extraterritorial | 2018 |
| Prod Ltd | Professional & scientific | 2011 |
| Productwise Consulting Ltd | Professional & scientific | 2022 |
| Professional Paving Ltd | Construction | 2025 |
| Profish International (UK) Limited | Wholesale & retail | 2025 |
| Profit Champ Holdings Ltd | Extraterritorial | 2012 |
| Profit Engineering Ltd. | Professional & scientific | 2015 |
| Progress Builders Ltd | Construction | 2013 |
| Progress Estates (London) Ltd | Real estate | 2020 |
| Progress Property Management Ltd | Real estate | 2016 |
| Proheating LND Limited | Construction | 2011 |
| Proinvest Limited | Real estate | 2022 |