| Orosolis Europe Ltd | Wholesale & retail | 2014 |
| Ostensible Ltd | Information & communication | 2019 |
| OTP Capital Ltd | Financial services | 2025 |
| Ounje 360 Limited | Information & communication | 2020 |
| Ourglass Limited | Professional & scientific | 2019 |
| Ouroboros Holdings Ltd | Financial services | 2024 |
| Oven Beyond Ltd | Administrative & support | 2021 |
| Overawe Consultancy Ltd | Administrative & support | 2024 |
| Ozdisplay Ltd | Administrative & support | 2020 |
| P J Thoria Ltd | Health & social care | 2024 |
| P.O'Neill Electrical & Mechanical Limited | Construction | 1958 |
| Paahana Ltd | Construction | 2022 |
| Packtrans Ltd | Transport & logistics | 2011 |
| Paedipods Ltd. | Health & social care | 2016 |
| Pagoda Mortgage Services Ltd | Financial services | 2023 |
| Paintball Battle Tanks Ltd | Manufacturing | 2011 |
| Palanhaar Overseas Limited | Construction | 2020 |
| Pamir Muska Limited | Transport & logistics | 2023 |
| Pamoja Consultancy Limited | Professional & scientific | 2018 |
| Panda Builders Ltd | Construction | 2017 |
| PANS8129 Limited | Real estate | 2025 |
| Papa Traders Ltd | Wholesale & retail | 2019 |
| Paps Solo Limited | Transport & logistics | 2026 |
| Param Tanna Limited | Information & communication | 2026 |
| Parents Paradise Limited | Arts & recreation | 2006 |
| Park Industrial Estate Management Company Limited(The) | Professional & scientific | 1985 |
| Parking Force (UK) Limited | Transport & logistics | 2013 |
| Parmar & Parmar Limited | Wholesale & retail | 2007 |
| Party Palace Ltd | Administrative & support | 2024 |
| PAS Accountants Ltd | Professional & scientific | 2013 |
| PAS Assets Limited | Real estate | 2024 |
| PAS Investment Ltd | Real estate | 2019 |
| PAS Outsourcing Ltd | Professional & scientific | 2013 |
| Patelhauff Trading Ltd | Wholesale & retail | 2024 |
| Patki Healthcare Ltd | Health & social care | 2019 |
| Patsalos Consulting Limited | Professional & scientific | 2014 |
| Paul Lawson Antiques Ltd | Wholesale & retail | 2025 |
| Pbhs Properties Ltd | Real estate | 2023 |
| Pbug PRB Limited | Arts & recreation | 2018 |
| PDG (UK) Limited | Health & social care | 2013 |
| Pear Network Limited | Information & communication | 2025 |
| Pekrose Limited | Health & social care | 2010 |
| Peloponnese Ltd | Health & social care | 2022 |
| Penn Street Films Ltd | Information & communication | 2026 |
| People Sharks Ltd | Administrative & support | 2025 |
| Percent ABV Limited | Professional & scientific | 2014 |
| Periwinkle RTM Company Limited | Extraterritorial | 2026 |
| Persun Limited | Wholesale & retail | 2018 |
| Pet Recycle Ltd | Manufacturing | 2010 |
| Petra Stella Recruitment Limited | Professional & scientific | 2018 |
| PG IT Consultants Limited | Information & communication | 2019 |
| PGD Law Ltd | Professional & scientific | 2018 |
| Pharmamax Locum Services Limited | Health & social care | 2015 |
| Phase 2 Living Limited | Construction | 2026 |
| PHC Flooring Ltd | Construction | 2017 |
| Phoenix Eight Lifestyle Ltd | Wholesale & retail | 2023 |
| Photinia RTM Company Limited | Extraterritorial | 2026 |
| Photography for ALL Occasions Ltd | Professional & scientific | 2019 |
| Picolab Limited | Information & communication | 2017 |
| Pikasa Limited | Information & communication | 2026 |
| Pinecorn Limited | Manufacturing | 2023 |
| Piti Plant Haulage Limited | Agriculture & fishing | 2025 |
| Pixel Property Management Ltd | Real estate | 2025 |
| PJB Building and Carpentry Limited | Construction | 2014 |
| PKP Electrical Services Ltd | Construction | 2017 |
| Platinum D&B Ltd | Administrative & support | 2019 |
| Player Voice C.I.C. | Professional & scientific | 2018 |
| Playtennisabroad Ltd | Administrative & support | 2019 |
| Pleasant Solutions Ltd | Administrative & support | 2024 |
| Plutus Abode Ltd | Real estate | 2025 |
| PMO Management Consultancy Ltd | Information & communication | 2015 |
| POB Express Ltd | Hospitality | 2019 |
| POD Skips and Recycling Limited | Water & waste | 2012 |
| Poinciana Ltd | Real estate | 2023 |
| Pointmain Limited | Real estate | 1979 |
| Polaris Fitness Studios Limited | Arts & recreation | 2014 |
| Poliforma Ltd | Construction | 2022 |
| Polkadot Television Limited | Information & communication | 2013 |
| Pontoon & Gallions Ltd | Professional & scientific | 2013 |
| POP the Bubble Ltd | Professional & scientific | 2024 |
| POQ Ltd | Professional & scientific | 2009 |
| Portrait Aesthetics Limited | Extraterritorial | 2022 |
| Posh DRY Cleaners Ltd | Other services | 2026 |
| Positive Accounting Solutions Limited | Professional & scientific | 2011 |
| Powis Court RTM Limited | Households | 2009 |
| Pramay Consultancy Ltd | Professional & scientific | 2021 |
| Prathyay Properties Ltd. | Financial services | 2020 |
| Precision Diagnostics Limited | Health & social care | 2015 |
| Precision Estimating Limited | Professional & scientific | 2022 |
| Prela Construction Ltd | Construction | 2023 |
| Premier Fruits (Western International) Limited | Wholesale & retail | 1997 |
| Prestige Hotels (Midlands) Ltd | Hospitality | 2016 |
| Pribal Property Investments Ltd | Real estate | 2025 |
| Prihan Ltd | Wholesale & retail | 2025 |
| Primaryframe Limited | Professional & scientific | 1995 |
| Prime Core Services Group Limited | Administrative & support | 2026 |
| Prime Reach Logistics Ltd | Transport & logistics | 2025 |
| Prime Skills Coaching Limited | Arts & recreation | 2024 |
| Primestone Developmental Limited | Construction | 2023 |
| Privateplan Property Management Limited | Hospitality | 1992 |