| Phase Blue Properties Ltd | Real estate | 2025 |
| Phase Group Limited | Wholesale & retail | 2017 |
| Phe's Funtastic Bubble House Events Ltd | Arts & recreation | 2025 |
| Phindumshasha Ltd | Transport & logistics | 2015 |
| Phoenix Electrical Ltd | Construction | 2020 |
| Phoenix Plumbing & Heating Services Ltd | Construction | 2024 |
| Phoenix Story Ltd | Information & communication | 2024 |
| Picnic and POP Festivals Limited | Arts & recreation | 2020 |
| Picturica Limited | Manufacturing | 2018 |
| Piersons Projects Ltd | Administrative & support | 2021 |
| Pimp My Box Ltd | Wholesale & retail | 2018 |
| Pimpmycamper Ltd | Wholesale & retail | 2016 |
| Pineapple Service Limited | Manufacturing | 2018 |
| Pinecraft Development Limited | Construction | 2000 |
| Pinecroft Developments Limited | Construction | 2021 |
| Pineridge Landscape & Construction Limited | Construction | 2024 |
| Pinewood Stores Ltd | Wholesale & retail | 2020 |
| Pinnacle Learning Centre Ltd. | Administrative & support | 2025 |
| Pipeview LLP | | 2010 |
| Pippa Greze Legal Consulting Limited | Information & communication | 2007 |
| Piri Guildford Limited | Hospitality | 2019 |
| Pitch Developments Limited | Construction | 1999 |
| Pixel Realities Ltd | Information & communication | 2025 |
| Pizza Kingdom Limited | Hospitality | 2018 |
| PJA Renovations Services Ltd | Construction | 2015 |
| PKB Enterprise (IT) Ltd | Information & communication | 2022 |
| PKR Technologies Ltd | Manufacturing | 2018 |
| Pl@N:It Nutrition Limited | Arts & recreation | 2009 |
| Plus Productions Ltd | Professional & scientific | 2019 |
| PM Bespoke Ltd | Financial services | 2020 |
| PM HR Consulting Limited | Professional & scientific | 2015 |
| PMP Customs Ltd | Wholesale & retail | 2025 |
| Pocket Engineering Ltd | Construction | 2023 |
| Pole Position Solutions Ltd | Administrative & support | 2018 |
| Polished Property Investments Ltd | Real estate | 2022 |
| Pologon Limited | Information & communication | 2004 |
| Pools Direct Limited | Wholesale & retail | 2012 |
| Poppies Day Nursery Aldershot Limited | Health & social care | 2021 |
| Pose Digital Ltd | Professional & scientific | 2020 |
| Powdin & Co Limited | Professional & scientific | 2013 |
| Power Lounge Aldershot Ltd | Hospitality | 2023 |
| Power Play Partners Limited | Extraterritorial | 2024 |
| PPK Management Limited | Financial services | 2010 |
| Pptech Consultancy Ltd | Information & communication | 2025 |
| PR Alliance PVT Ltd | Wholesale & retail | 2026 |
| PR Fitness Private Limited | Arts & recreation | 2026 |
| Prabodham Limited | Wholesale & retail | 2021 |
| Prantos International Ltd | Wholesale & retail | 2022 |
| PRB Hampshire 1 Limited | Hospitality | 2025 |
| PRB Hampshire Limited | Hospitality | 2015 |
| Precise Line Technology Ltd | Information & communication | 2023 |
| Precision Rope Access Ltd | Construction | 2025 |
| Precision Structural Engineering Ltd | Professional & scientific | 2019 |
| Premier Star Ltd | Wholesale & retail | 2025 |
| Premiernovo Ltd | Construction | 2019 |
| Premu MBO Invest Limited | Financial services | 2025 |
| Prestige Paving and Landscapes Ltd | Construction | 2025 |
| Prestige Picks Prizes Ltd | Wholesale & retail | 2025 |
| PRG M&E Management Ltd | Professional & scientific | 2017 |
| Pride Security Global Ltd | Administrative & support | 2015 |
| Primary Electric Ltd | Manufacturing | 2025 |
| Primary Plumbing Ltd | Construction | 2025 |
| Prime Auxiliary Care Ltd | Health & social care | 2022 |
| Prime Courier Solutions Ltd | Transport & logistics | 2025 |
| Prime Finish Pros Limited | Construction | 2025 |
| Primecast Cement Products Limited | Extraterritorial | 1963 |
| Primecheck Inventories Limited | Extraterritorial | 2025 |
| Primeshower&Glass Ltd | Construction | 2022 |
| Prism POT Limited | Other services | 2016 |
| Pristine Holdings International Ltd | Real estate | 2017 |
| Prizefighter Ltd | Arts & recreation | 2019 |
| PRN Investments Limited | Real estate | 2023 |
| Pro Carpet Cleaning Limited | Administrative & support | 2013 |
| Pro Netball Limited | Arts & recreation | 2024 |
| Pro-Moto Properties Ltd | Real estate | 2023 |
| Prodermatology Limited | Health & social care | 2009 |
| Professional Roofing Repairs Ltd | Construction | 2025 |
| Proficio Consultants Limited | Information & communication | 2018 |
| Proficio Properties Ltd | Real estate | 2025 |
| Profitwins Logistics Ltd | Transport & logistics | 2025 |
| Project 2C Ltd | Real estate | 2024 |
| Proper Heat Ltd | Construction | 2025 |
| Property Management FM Ltd | Real estate | 2018 |
| Propertymac Ltd | Real estate | 2019 |
| Propharmed Consultancy Ltd | Information & communication | 2024 |
| Prosper Estates Ltd | Real estate | 2025 |
| Prosper Medical Limited | Health & social care | 2017 |
| Protec Metal Work Limited | Manufacturing | 1978 |
| Provility Software Ltd | Information & communication | 2019 |
| PS Developments Ltd | Construction | 2005 |
| PSC Business Services Limited | Professional & scientific | 2007 |
| Publife Limited | Hospitality | 2026 |
| Pukhraj Ltd | Hospitality | 2024 |
| Pure Spec Interiors Limited | Construction | 2023 |
| Puremi Limited | Wholesale & retail | 2021 |
| Purjaa Ltd | Hospitality | 2026 |
| Pyramid Steel Limited | Extraterritorial | 2009 |
| Pyramid Trading Limited | Manufacturing | 1989 |
| Q&Iz Ltd | Transport & logistics | 2020 |
| Qiutakira Ltd | Administrative & support | 2023 |