| PD Composites Ltd | Manufacturing | 2026 |
| PEA Three Limited | Information & communication | 2014 |
| Peacock Computers Ltd | Other services | 2017 |
| Peacock Computers Lymington Limited | Wholesale & retail | 2019 |
| Peak Electrical Contractors Ltd | Construction | 2012 |
| Peak Fitness Coaching Ltd | Arts & recreation | 2021 |
| Peak Living Ltd | Real estate | 2017 |
| Peak to Trough Ltd | Other services | 2025 |
| Pearce Radiology Ltd | Health & social care | 2026 |
| Pearline Consulting Ltd | Information & communication | 2007 |
| Pelican Taverns Limited | Hospitality | 2014 |
| Pellerehealth Limited | Professional & scientific | 2017 |
| Pennington Lodge Management Company Limited | Households | 1989 |
| Pennithorne Estates Ltd | Real estate | 2011 |
| Penno Electrical Ltd | Construction | 2025 |
| Pennycraft Limited | Professional & scientific | 1985 |
| Peopledots Ltd | Information & communication | 2021 |
| Perfitt Management Ltd | Professional & scientific | 2025 |
| Pesto Press Ltd | Arts & recreation | 2025 |
| Peter Bulkley Limited | Construction | 1980 |
| Peter Cooper Limited | Transport & logistics | 1986 |
| PH24 Limited | Real estate | 2024 |
| Phantom Boats Limited | Manufacturing | 2025 |
| Phil Collins Photography Limited | Professional & scientific | 2003 |
| Phil Hayes Ltd | Professional & scientific | 2017 |
| Philip Wingrove Limited | Information & communication | 2006 |
| Phillips Contracting (New Forest) Limited | Construction | 2002 |
| Phoenix Fundraising Limited | Administrative & support | 2022 |
| Phoenix Property Portfolio Limited | Real estate | 2009 |
| Phone Accessories Hub Ltd | Wholesale & retail | 2024 |
| Pier Garage Limited | Wholesale & retail | 1996 |
| Pin-Up Perm Limited | Extraterritorial | 2009 |
| Pinetops Consulting Ltd | Professional & scientific | 2022 |
| Pinetops Nurseries Limited | Agriculture & fishing | 1976 |
| Pippins PRE School Ltd | Education | 2012 |
| Pisces Marine Limited | Manufacturing | 2010 |
| Pitchwhiz Ltd | Manufacturing | 2024 |
| Plains Garage Limited | Real estate | 1971 |
| Plan Your Life Limited | Extraterritorial | 2010 |
| Plane Rentals Limited | Administrative & support | 2014 |
| Plansco Limited | Administrative & support | 2011 |
| Plantdesk Ltd | Information & communication | 2026 |
| PMB Software Limited | Information & communication | 1997 |
| Policy Analysis Centre Limited | Professional & scientific | 1997 |
| Pollyanna Hair Fashions Limited | Other services | 2010 |
| Polse Social Limited | Information & communication | 2025 |
| Poptones Limited | Administrative & support | 1999 |
| Portacraft Limited | Transport & logistics | 2005 |
| Positano Limited | Administrative & support | 2009 |
| Postern Equity Partners Limited | Professional & scientific | 2013 |
| Postern Limited | Professional & scientific | 2013 |
| Postmodern Construction Ltd | Construction | 2026 |
| Pour YOU Wine Company Ltd | Hospitality | 2025 |
| Power Afloat Limited | Manufacturing | 1999 |
| Prairie Orange Management Limited | Information & communication | 2008 |
| Precision Servicing LLP | | 2025 |
| Premier Intros Ltd | Professional & scientific | 2024 |
| Priestlands School | Education | 2011 |
| Private Yacht Group Ltd | Wholesale & retail | 2011 |
| Procurement & Project Services Limited | Construction | 1994 |
| Professional Press Ltd | Other services | 2020 |
| Progression Home Improvements Ltd | Construction | 2011 |
| Project Production Management Limited | Professional & scientific | 2024 |
| Property Finance Plus Limited | Financial services | 2018 |
| Prosparks Electrical Services Ltd | Construction | 2021 |
| Prospect Residential Limited | Real estate | 2020 |
| Prunus Management Limited | Households | 2023 |
| Public Sector Investigations (PSI) Limited | Other services | 2022 |
| Puffin Bay Services Ltd | Administrative & support | 2019 |
| Punton Electrics Limited | Construction | 2015 |
| Purewell Timber Buildings Limited | Construction | 1992 |
| Purple Orchid Properties Ltd | Real estate | 2022 |
| PV Module Lifting Limited | Wholesale & retail | 2024 |
| Quay Point Construction Limited | Construction | 2017 |
| Quedos Limited | Administrative & support | 1998 |
| Quedos Recruitment Ltd | Hospitality | 2002 |
| R Elliott Associates Limited | Professional & scientific | 2004 |
| R Larder Consulting Limited | Professional & scientific | 2021 |
| R M C ARC Global Limited | Health & social care | 2026 |
| R M C ARC JV Limited | Health & social care | 2026 |
| R M C ARC Limited | Health & social care | 2026 |
| R M S Decorating Services Limited | Construction | 2012 |
| R&V Holiday Lettings Ltd | Hospitality | 2023 |
| R.S. Marine Services Limited | Manufacturing | 2005 |
| R1 Holdings Limited | Arts & recreation | 2015 |
| R1 Racing Ltd | Arts & recreation | 2013 |
| Rabbits From Hats Limited | Professional & scientific | 2014 |
| Rackery Limited | Wholesale & retail | 2012 |
| Rail Shine Ltd | Administrative & support | 2025 |
| Rainbow Builders Ltd | Construction | 2023 |
| Rainbow General Cleaning Services Ltd | Administrative & support | 2017 |
| Rainbow Image Limited | Wholesale & retail | 2013 |
| Ramley House Publishing Ltd | Wholesale & retail | 2015 |
| Ranktracker Ltd | Information & communication | 2013 |
| Rapid Road Ltd | Administrative & support | 2021 |
| Raport Energy Limited | Professional & scientific | 2019 |
| Raport Property Limited | Construction | 2021 |
| RAW Creative Events Ltd | Administrative & support | 2012 |
| RAY Crouch Builders Ltd | Construction | 2021 |
| RC Squared Services Limited | Real estate | 2017 |