| Parkhouse Estates Limited | Real estate | 2019 |
| Parkhouse Estates Property Investments Limited | Real estate | 2024 |
| Parsons Major Developments Limited | Professional & scientific | 2016 |
| Patora Limited | Wholesale & retail | 2024 |
| Patriot Security Services Limited | Other services | 1998 |
| Paul Jarrold Tyres Limited | Wholesale & retail | 2004 |
| Paul Mansford Rock Choir Ltd | Arts & recreation | 2019 |
| Paulton Dent and Implant Centre Ltd | Health & social care | 2023 |
| Pccs Books Ltd | Information & communication | 1999 |
| PCS Scenery Ltd | Construction | 2016 |
| Peake Capital Ltd | Financial services | 2026 |
| Pegasus Pipeline Services Limited | Professional & scientific | 2008 |
| Pell Mell Publishing Limited | Information & communication | 2019 |
| Penallt CC CIC | Arts & recreation | 2020 |
| Penrhys Property Limited | Construction | 2018 |
| Pentest Cyber Ltd | Information & communication | 2016 |
| Pentwyn Marketing Services Limited | Professional & scientific | 2013 |
| People With Acumen Limited | Hospitality | 2009 |
| Perfect Smile Bristol Limited | Health & social care | 2020 |
| Performance Braking Limited | Wholesale & retail | 1993 |
| Performance Group Technologies Limited | Information & communication | 2022 |
| Person Centred Training Solutions Ltd | Education | 2016 |
| Peter's Landscape Gardening WYE Limited | Administrative & support | 2020 |
| Petlon Services Limited | | 1989 |
| Pets & Oven Ltd | Manufacturing | 2019 |
| Pharmatek Consultancy Services Limited | Administrative & support | 1996 |
| Phat Club Ltd | Other services | 2023 |
| Phoenix Build Solutions Ltd | Construction | 2026 |
| Phones Stations MON Limited | Wholesale & retail | 2025 |
| Picton Estates Limited | Real estate | 2016 |
| Pipe-Cell Limited | Administrative & support | 2016 |
| Pippa Edwards Consulting Ltd | Administrative & support | 2020 |
| Pizzapazzamonmouth Limited | Hospitality | 2024 |
| Planet Lighting Ltd | Wholesale & retail | 2010 |
| Platform Nature Ltd | Information & communication | 2025 |
| Playwood Ltd | Manufacturing | 2021 |
| Plumb Right Choice Limited | Construction | 2018 |
| PM Team Ltd | Administrative & support | 2024 |
| PMG Building Contractors Limited | Construction | 2015 |
| PMG Landscapes Limited | Administrative & support | 2011 |
| Poker Buddy Ltd | Information & communication | 2025 |
| Polo Chico DE ORO Ltd | Other services | 2017 |
| Polzeath Beach Club Ltd | Hospitality | 2020 |
| Posh Pawz Salon & Spa Limited | Other services | 2025 |
| Poster World Limited | Manufacturing | 2015 |
| Powells Rural Property Professionals Limited | Real estate | 2011 |
| Powley Products Limited | | 1941 |
| Praxis Land Management Limited | Agriculture & fishing | 2020 |
| Preconstruction Consulting Services Ltd | Professional & scientific | 2025 |
| Prestige Build & Design Ltd | Construction | 2022 |
| Prestige Masonry & Property Developments Ltd. | Construction | 2021 |
| Price Heat Limited | Construction | 2018 |
| Pride Rock Promotions Limited | Arts & recreation | 2023 |
| Prime Development Properties Limited | Construction | 2023 |
| Primus Sports Partners Ltd | Professional & scientific | 2023 |
| Pro Active Homes Ltd | Administrative & support | 2016 |
| Pro TOE Lights Limited | Manufacturing | 2026 |
| Proactive People Solutions Ltd | Administrative & support | 2021 |
| Proc Limited | Manufacturing | 2026 |
| Process Pulse Ltd | Information & communication | 2024 |
| Procrete Abergavenny Limited | Construction | 2012 |
| Project Can'T Ltd | Other services | 2025 |
| Psychologyhub Ltd | Education | 2024 |
| Pukca Services Limited | Wholesale & retail | 2016 |
| Pure Cosmetics Limited | Extraterritorial | 2005 |
| Purely Pawsome Ltd | Wholesale & retail | 2026 |
| Q.L.S Global Limited | Wholesale & retail | 2014 |
| Qlite Global Ltd | Manufacturing | 2024 |
| Quantum Scio Wellness Limited | Administrative & support | 2002 |
| Quatro Tiles Ltd | Construction | 2023 |
| Questa Securities Limited | Real estate | 1989 |
| Quicken Solutions Limited | Professional & scientific | 2009 |
| Quinntessential Limited | Professional & scientific | 2001 |
| R & D Coleman Ltd | Wholesale & retail | 2017 |
| R J Glover Builders Limited | Construction | 2015 |
| R J Moseley LLP | | 2008 |
| R J Moseley Solicitors Limited | Professional & scientific | 2025 |
| R T Jewellery Limited | Wholesale & retail | 2014 |
| R Z S Solutions Limited | Construction | 2011 |
| R.J Duncan Ltd | Transport & logistics | 2018 |
| Rachel Ryder Estates Ltd | Real estate | 2022 |
| Raina Productions Ltd | Arts & recreation | 2023 |
| Rainbow Enterprises (UK) Limited | Real estate | 2003 |
| RCG Security Limited | Information & communication | 2019 |
| Reading Journey Limited | Education | 2023 |
| Real Managed Services Ltd | Construction | 2008 |
| Reckless Orchard Landscape Consultants Limited | Other services | 2002 |
| Recovery and Beyond Physiotherapy Services Limited | Health & social care | 2005 |
| RECOVERY360 Clinics Ltd | Health & social care | 2025 |
| Recyc Monmouth Ltd | Water & waste | 2018 |
| Redbrook Construction Limited | | 1978 |
| Redbrook Village Stores Ltd | Wholesale & retail | 2010 |
| Redzhov Ltd | Hospitality | 2026 |
| Rees Associates Limited | Administrative & support | 2005 |
| Regiment Training Group Limited | Education | 2018 |
| Reid Brothers Limited | Professional & scientific | 2012 |
| Relike Ltd | Wholesale & retail | 2011 |
| RF Bricklaying and Landscape Gardening Ltd | Construction | 2023 |
| RFR Monmouth Limited | Professional & scientific | 2004 |
| RH Stonework & Masonry Ltd | Manufacturing | 2025 |