| Pippop Ltd | Hospitality | 2026 |
| Pizza 21 Limited | Hospitality | 2023 |
| PJ Huxley Limited | Wholesale & retail | 2017 |
| PJS Investments (2023) Ltd | Real estate | 2023 |
| PKL Spaces Ltd | Wholesale & retail | 2026 |
| Planet Hippo Internet Limited | Information & communication | 2006 |
| Planet-Air 1 Limited | Financial services | 2025 |
| Platinum Heating Solutions Ltd | Construction | 2011 |
| Playtime Vending Ltd | Arts & recreation | 2015 |
| Pleasant Valley Care Limited | Health & social care | 2013 |
| Plenty Gardens Ltd | Administrative & support | 2025 |
| Plus Props Limited | Real estate | 2023 |
| Pocket Office Services Limited | Administrative & support | 2021 |
| POD Lease UK Limited | Professional & scientific | 2007 |
| Podular Living Ltd | Construction | 2019 |
| Poleclimbing Limited | Arts & recreation | 2011 |
| Polished Perfection and Performance Ltd | Wholesale & retail | 2019 |
| Pont Bechan Management Company Limited | Extraterritorial | 2015 |
| POP Creative Limited | Administrative & support | 2009 |
| Poppadoms Oswestry Ltd | Hospitality | 2026 |
| Posterflair Limited | Real estate | 1997 |
| Pownall Property and Development Ltd | Real estate | 2026 |
| Powys Cleaning Company Ltd | Wholesale & retail | 1986 |
| Powys Steel Fabrications Ltd | Manufacturing | 2011 |
| PPP Commercial Ltd | Construction | 2026 |
| PR Mobile Caravan Servicing Limited | Manufacturing | 2024 |
| Practice Plan Group (Holdings) Limited | Professional & scientific | 2005 |
| Practice Plan Group Limited | Professional & scientific | 2003 |
| Practice Plan Holdings 2007 Limited | Professional & scientific | 2006 |
| Practice Plan Holdings Limited | Professional & scientific | 2008 |
| Practice Plan Limited | Administrative & support | 1995 |
| PRD Rentals Ltd | Administrative & support | 2020 |
| Precision GAS and Plumbing Ltd | Construction | 2018 |
| Precon Services Group Limited | Professional & scientific | 2019 |
| Premier Three Trees Limited | Wholesale & retail | 2018 |
| Prevision Systems Ltd. | Professional & scientific | 2015 |
| Primoris Homes Limited | Construction | 2000 |
| Principal Fabrication Ltd | Other services | 2017 |
| Priority Roofing Services Limited | Construction | 2005 |
| Procrop Limited | Agriculture & fishing | 2007 |
| Property Oracle Ltd | Real estate | 2024 |
| Prudent Financial Planning Services Ltd | Financial services | 2010 |
| PS Pubs Ltd | Hospitality | 2024 |
| PSL Perfumes Ltd | Wholesale & retail | 2025 |
| PSM Kitchens Ltd | Construction | 2024 |
| PTA Training Services Limited | Transport & logistics | 2016 |
| Punk Pet Food Ltd | Wholesale & retail | 2023 |
| Pupstarts Breeders Limited | Administrative & support | 2022 |
| Pure Electrics & Pure Energy Ltd | Construction | 2013 |
| Pure Heat Systems Ltd | Wholesale & retail | 2025 |
| Pure Navitas Limited | Professional & scientific | 2018 |
| Putter Madness Ltd | Administrative & support | 2024 |
| PWL Transport Refrigeration Limited | Manufacturing | 2007 |
| Quality Maintenance Supplies Limited | Wholesale & retail | 2004 |
| Quarterbridge Project Management Limited | Professional & scientific | 2000 |
| Quayle Holdings Limited | Financial services | 2025 |
| Queens Court Management (Oswestry) Limited | Households | 2012 |
| Queens Head Oswestry Limited | Hospitality | 2017 |
| Quigley & Abley Properties Ltd | Real estate | 2023 |
| R & C Walker Services Ltd | Arts & recreation | 2013 |
| R & D Property Developments Limited | Construction | 1997 |
| R & L Lewis Construction Limited | Construction | 2010 |
| R & PG Peel Limited | Agriculture & fishing | 2015 |
| R and C Walker Limited | Information & communication | 2025 |
| R B Davies & Sons (Holdings) Limited | Financial services | 2021 |
| R Bladen & Sons Ltd | Administrative & support | 2007 |
| R E Morris & Sons (Nook Lane) Limited | Wholesale & retail | 2012 |
| R E Morris & Sons Limited | Transport & logistics | 1999 |
| R&A Contracting Ltd | Professional & scientific | 2025 |
| R&G Freight Ltd | Transport & logistics | 2025 |
| R.G. Evans Limited | Construction | 2007 |
| R.G. Stones (Buildings) Limited | Construction | 1994 |
| R.G.Stones(Timber)Limited | Construction | 1962 |
| R.H. Cambidge (Storage) Limited | Real estate | 1969 |
| R.J. Pain Transport Limited | Transport & logistics | 2003 |
| RA Cuisine Ltd | Hospitality | 2020 |
| Raatha Trading Limited | Real estate | 2025 |
| Radfords Poultry Ltd | Agriculture & fishing | 2016 |
| Radio Brass Ltd | Information & communication | 2025 |
| Rainbow Ballooning Ltd | Transport & logistics | 2021 |
| RALLY4WALES Contracts Ltd | Agriculture & fishing | 2017 |
| Ramos Pizza Ltd | Hospitality | 2023 |
| Ranch Construction Ltd | Construction | 2024 |
| Ranch Property Services Ltd | Real estate | 2023 |
| Ravarstores Limited | Wholesale & retail | 2024 |
| RAW Car Parts Ltd | Wholesale & retail | 2018 |
| RAW Renovations Ltd | Real estate | 2024 |
| Raya’S Kitchen Ltd | Hospitality | 2025 |
| Raynera Limited | Information & communication | 2006 |
| Razors (Oswestry) Ltd. | Other services | 2016 |
| RBR Electrical and Networking Solutions Limited | Construction | 2025 |
| RCJ Maintenance Services Limited | Professional & scientific | 2018 |
| RD Cladding Construction Ltd | Construction | 2017 |
| RD Cladding Ltd | Construction | 2025 |
| Read & Read Design Limited | Professional & scientific | 2010 |
| Read & Read Trading Limited | Professional & scientific | 2010 |
| Ready Foods Limited | Manufacturing | 2005 |
| Realforth Limited | Administrative & support | 2001 |
| Red Brick Home Investments Ltd | Real estate | 2021 |
| Red Dragon Foods Limited | Wholesale & retail | 2026 |