| Powergroup Norway Ltd | Wholesale & retail | 2020 |
| Powerhouse Builders Limited | Construction | 2024 |
| Powerline Auto Electrician Ltd | Wholesale & retail | 2024 |
| PP Fastfood Ltd | Hospitality | 2020 |
| PPS Squared Ltd | Real estate | 2024 |
| PR & Co Legal & Immigration Services Limited | Professional & scientific | 2025 |
| PR Coaches Limited | Transport & logistics | 1996 |
| PR Global Logistics Ltd | Wholesale & retail | 2008 |
| PR SAT Ltd | Professional & scientific | 2018 |
| PR1 Trading Ltd | Administrative & support | 2024 |
| Prab Builders Ltd | Construction | 2020 |
| Prabh Tech Store Ltd | Manufacturing | 2025 |
| Prana Enterprise Ltd. | Information & communication | 2014 |
| Pranabhyaslondon Limited | Education | 2026 |
| Pranu Stores Limited | Wholesale & retail | 2024 |
| Pravz Limited | Extraterritorial | 2024 |
| Prebuild Estimation Limited | Professional & scientific | 2024 |
| Precious Delivery Solutions UK Ltd | Wholesale & retail | 2024 |
| Precious Pearl London Ltd | Wholesale & retail | 2025 |
| Preciouscoffer Ltd | Construction | 2020 |
| Precycle Limited | Professional & scientific | 2009 |
| Preet Building Contractors Ltd | Construction | 2018 |
| Preet Creations Ltd | Wholesale & retail | 2020 |
| Preet Freight Logistics Limited | Transport & logistics | 2026 |
| Preet Traders Ltd | Wholesale & retail | 2024 |
| Prem & Sons Limited | Wholesale & retail | 2021 |
| Prem-Ji Ltd | Real estate | 2021 |
| Premi Essex Limited | Health & social care | 2010 |
| Premi Estates Limited | Real estate | 2024 |
| Premi Properties Ltd | Real estate | 2021 |
| Premier Cabs (White City) Limited | Administrative & support | 2005 |
| Premier Developments (Berks) Limited | Construction | 2024 |
| Premier Exotics Limited | Wholesale & retail | 2019 |
| Premier Flavour Ltd | Hospitality | 2017 |
| Premier House 16 Limited | Real estate | 2026 |
| Premier House Property Limited | Real estate | 2026 |
| Premier Moving and Storage Services Limited | Transport & logistics | 2015 |
| Premier Value Shop Limited | Wholesale & retail | 2026 |
| Premiere Connects Ltd | Professional & scientific | 2024 |
| Premiere IT Solutions UK Ltd | Information & communication | 2012 |
| Premiere Limited | Other services | 2025 |
| Premium Chauffeuring Ltd | Transport & logistics | 2023 |
| Premium Class Chauffeurs Ltd | Transport & logistics | 2022 |
| Premium Lights Limited | Wholesale & retail | 2026 |
| Premium Quartz and Granite Ltd | Construction | 2022 |
| Premiumpackages Ltd | Wholesale & retail | 2025 |
| Prestige Consultancy & Brokerage Ltd | Energy | 2018 |
| Prestige Living (Berks) Ltd | Wholesale & retail | 2025 |
| Prestige Media London Ltd | Professional & scientific | 2023 |
| Prestige Wines Greenford Ltd | Wholesale & retail | 2024 |
| Prestige Wines Ltd | Wholesale & retail | 2018 |
| Prestora Limited | Real estate | 2025 |
| Pretty Land Limited | Real estate | 2024 |
| Pretty Shadow Ltd | Wholesale & retail | 2022 |
| PRH 22 Ltd | Construction | 2026 |
| PRI Gold Limited | Hospitality | 2022 |
| Priav Limited | Real estate | 2021 |
| Pricecheck Limited | Wholesale & retail | 1993 |
| Pride Estate Service Limited | Real estate | 2010 |
| Pride Management Service Limited | Information & communication | 2006 |
| Pride West Limited | Manufacturing | 2010 |
| Prima International Ltd | Wholesale & retail | 2018 |
| Primaryuk Limited | Financial services | 2021 |
| Primaview Limited | Real estate | 2006 |
| Prime Afford Limited | Wholesale & retail | 2026 |
| Prime Glazing & Shopfronts Ltd | Construction | 2023 |
| Prime Home Total Solutions Ltd | Information & communication | 2025 |
| Prime Interiors & Labour Ltd | Construction | 2021 |
| Prime Roof Limited | Construction | 2025 |
| Prime Roots Global Limited | Wholesale & retail | 2025 |
| Prime Route Visa Ltd | Professional & scientific | 2026 |
| Prime Staffing London Limited | Administrative & support | 2024 |
| Prime Van Centre Ltd | Other services | 2024 |
| Primeflow Heating Ltd | Construction | 2025 |
| PRIMEGEN1 Limited | Wholesale & retail | 2025 |
| Primenumbers Consultants Ltd | Professional & scientific | 2023 |
| Primezone (London) Limited | Wholesale & retail | 2017 |
| Prince Cash & Carry Limited | Other services | 2009 |
| Prince Electronics Limited | Wholesale & retail | 1995 |
| Prince Films Ltd | Professional & scientific | 2024 |
| Princefilms.London Ltd | Professional & scientific | 2025 |
| Priory Way Developments Ltd. | Information & communication | 1994 |
| Prism Consultants Limited | Professional & scientific | 2023 |
| Prism Motors Ltd | Wholesale & retail | 2024 |
| Pristine Autoprep Centre Ltd | Wholesale & retail | 2024 |
| Pristine Services Ltd | Administrative & support | 2024 |
| Pristine Standard Ltd | Administrative & support | 2026 |
| Prits Cafe UK Ltd | Hospitality | 2025 |
| Prius Autos Ltd | Wholesale & retail | 2020 |
| Privacy Prism Ltd | Administrative & support | 2024 |
| Private Chauffeur London Ltd | Transport & logistics | 2024 |
| Private Members Ltd | Real estate | 2026 |
| Priyanka Enterprises Ltd | Wholesale & retail | 2020 |
| Pro Aesthetics & Beauty Academy Ltd | Other services | 2024 |
| Pro Brothers Decor Ltd | Construction | 2025 |
| Pro Clean Equipment & Services Ltd | Wholesale & retail | 2020 |
| Pro Light London Limited | Arts & recreation | 2013 |
| Pro Light London Power Limited | Administrative & support | 2017 |
| Pro Moat Construction Limited | Construction | 2023 |
| Pro TOO Standard Constructions Limited | Construction | 2025 |