| Prad Heath Limited | Hospitality | 2026 |
| Pradheep RAJ Velur UK Ltd | Construction | 2019 |
| Praeter Engineering Limited | Construction | 2014 |
| Praetorian Group Limited | Professional & scientific | 2021 |
| Prashant Thakur Software Solutions Limited | Information & communication | 2019 |
| Precise Building and Surveying Services Ltd | Professional & scientific | 2015 |
| Precision Electronic Systems Ltd | Manufacturing | 2024 |
| Precision Fabrications Andover Ltd | Manufacturing | 2018 |
| Precision Scanning Services Ltd | Information & communication | 2026 |
| Premcrete Holdings Limited | Financial services | 2021 |
| Premcrete Limited | Construction | 2012 |
| Premier Breaks Ltd | Wholesale & retail | 2026 |
| Premier Coating and Converters Limited | Manufacturing | 2004 |
| Premier Property Interior's Ltd | Real estate | 2025 |
| Presh Mpofu Limited | Health & social care | 2019 |
| Pressure Care Management Limited | Wholesale & retail | 2020 |
| Prestige Golf Lounge Ltd | Arts & recreation | 2024 |
| Prestige Tech Limited | Hospitality | 2025 |
| Preya Limited | Manufacturing | 2016 |
| Prime Taxi Ltd | Transport & logistics | 2026 |
| Primo Property Ltd | Real estate | 2026 |
| Prince Albert Gardens Management Company Limited | Households | 1983 |
| Principal World Travel Limited | Administrative & support | 1999 |
| Print to Provoke Limited | Manufacturing | 2008 |
| Priors Park Family Investments | Financial services | 2015 |
| Privateer Software Limited | Information & communication | 2022 |
| Privatejetsupport Ltd | Manufacturing | 2013 |
| Prmsi Ltd | Information & communication | 2012 |
| PRN Consulting Limited | Professional & scientific | 2018 |
| Pro Pipe Solutions Ltd | Construction | 2023 |
| Pro Tech Engineering Ltd | Manufacturing | 2025 |
| Pro-Cad Technologies Limited | Information & communication | 2003 |
| Profab Engineering Services Limited | Construction | 1997 |
| Proficuous Holdings Ltd | Real estate | 2025 |
| Profile First Limited | Real estate | 2014 |
| Profit 2 Gain Ltd | Professional & scientific | 2016 |
| Progressive Blue Sky Limited | Manufacturing | 2000 |
| Proinvestos Limited | Financial services | 2024 |
| Project Masters Ltd | Manufacturing | 2020 |
| Prolift Management Limited | Manufacturing | 2020 |
| Property Resource Solutions Limited | Professional & scientific | 2012 |
| Prosigns Limited | Administrative & support | 2013 |
| Protega Global Limited | Wholesale & retail | 2019 |
| Proton Advisory Limited | Professional & scientific | 2026 |
| Proud Electrical Contractors Ltd | Construction | 2026 |
| Prove IT Systems Ltd | Extraterritorial | 2020 |
| Provision 153 Limited | Real estate | 2014 |
| PRS Ecological Consultancy Ltd | Professional & scientific | 2017 |
| PS Gaffney Limited | Professional & scientific | 2014 |
| Psbms Limited | Information & communication | 2023 |
| PSC E Type Limited | Wholesale & retail | 2015 |
| Pudsey Diamond Engineering Limited | Manufacturing | 1997 |
| Pulp-Tech Ltd | Professional & scientific | 2018 |
| Puma Fire Products Limited | Manufacturing | 1996 |
| Puma International Limited | Financial services | 2019 |
| Puma Sheetmetal Limited | Manufacturing | 2019 |
| Pumpsets Ltd. | Manufacturing | 1994 |
| Purbeck Civil Engineering Limited | Construction | 2005 |
| Pure Cremation Funeral Planning Limited | Financial services | 2015 |
| Pure Cremation Group Limited | Other services | 2017 |
| Pure Cremation Holdings Limited | Other services | 2017 |
| Pure Cremation Limited | Other services | 2015 |
| Pure Group Bidco Limited | Financial services | 2023 |
| Pure Group Holdco Limited | Financial services | 2023 |
| Pure Group Holdings Ltd | Other services | 2020 |
| Pure Life Financial Services Ltd | Financial services | 2021 |
| Pure Lounge Bar (Andover) Limited | Hospitality | 2013 |
| Purple Chicken Consultancy Ltd | Professional & scientific | 2026 |
| Purple Mart Limited | Wholesale & retail | 2025 |
| Purple Oak Support | Health & social care | 1994 |
| Purplecom AV Ltd | Wholesale & retail | 2020 |
| PV CCS Limited | Real estate | 2024 |
| PW App Development Limited | Information & communication | 2022 |
| Q Two Property Limited | Real estate | 2022 |
| Q3 Windows Ltd | Construction | 2011 |
| QAC Properties Limited | Households | 2020 |
| Qollca Ltd | Information & communication | 2026 |
| QSD Limited | Administrative & support | 1996 |
| Quadrelliot Ltd | Professional & scientific | 2026 |
| Quality Reassured Ltd | Construction | 2023 |
| Quantum Frequencies Limited | Information & communication | 2009 |
| Quarry Project Management Limited | Mining & quarrying | 2019 |
| Quebec (Bursledon) Management Company Limited | Extraterritorial | 1992 |
| Quick & Slick Ltd | Administrative & support | 2025 |
| Quicksilver Electronics Ltd | Manufacturing | 2017 |
| Quotemytech Ltd | Wholesale & retail | 2025 |
| R & H Pubs Ltd | Hospitality | 2016 |
| R & R Soft Strip Demolition Limited | Construction | 2015 |
| R and B Industrial Limited | Manufacturing | 2005 |
| R Benbow Ltd | Financial services | 2020 |
| R H Technical Industries Limited | Manufacturing | 2002 |
| R M Beckett Limited | Arts & recreation | 2009 |
| R Simpson Holdings Ltd | Financial services | 2024 |
| R&A Andover Limited | Real estate | 2018 |
| R. Zablocki Ltd | Transport & logistics | 2011 |
| R.H.P Property Group Ltd | Real estate | 2024 |
| R.M.S. Limited | Manufacturing | 1993 |
| RA New Edition Ltd | Other services | 2016 |
| Raaggy Limited | Administrative & support | 2019 |
| RAB Renewable and Electrical Services Ltd | Construction | 2021 |