| Paige Seddon ISW Limited | Health & social care | 2022 |
| Paint My Car Limited | Wholesale & retail | 2022 |
| Paint My Windows Ltd | Construction | 2020 |
| Paint Professor Ltd | Wholesale & retail | 2025 |
| Painttech Decorating Limited | Construction | 2014 |
| PAK Newport Limited | Wholesale & retail | 2025 |
| Palisade Tactical CYF | Administrative & support | 2025 |
| Palisade Trading Limited | Wholesale & retail | 2025 |
| Pallet Recycling South Wales Limited | Manufacturing | 2011 |
| Palmers (Isle of Wight) Limited | Construction | 2002 |
| Palmerston House Management Limited | Households | 2017 |
| Palmetto Properties Ltd | Real estate | 2021 |
| PAM & Dave Property Limited | Real estate | 2024 |
| PAN Management C.I.C. | Other services | 2010 |
| PAN21 Ltd | Hospitality | 2026 |
| Panda House 132 Limited | Hospitality | 2021 |
| Panda Industries Ltd | Construction | 2023 |
| Panda Roofing Ltd | Other services | 2025 |
| Pandalicious Ltd | Extraterritorial | 2021 |
| Pandymax Ltd | Hospitality | 2016 |
| Pangbourne & Goring Properties Limited | Real estate | 2006 |
| Panoptic Media Europe Ltd | Administrative & support | 2015 |
| Pant Wood Limited | Agriculture & fishing | 2025 |
| Pantside Pizza & Kebab Ltd | Hospitality | 2025 |
| PAP16 Ltd | Hospitality | 2024 |
| Papa Loaf Ltd | Other services | 2020 |
| Paper Angels Limited | Information & communication | 2014 |
| Parade Design Limited | Professional & scientific | 2012 |
| Paradise Farm (IOW) Limited | Agriculture & fishing | 2017 |
| Paragon Accountants and Tax Advisors Ltd | Professional & scientific | 2019 |
| Paramount Locations Limited | Real estate | 2017 |
| Paramount Networking Limited | Information & communication | 2013 |
| Parasol UP Cocktails and Events Limited | Hospitality | 2008 |
| Parc Driving Range Limited | Administrative & support | 2013 |
| Parc Estate Management Ltd | Real estate | 2024 |
| Parc Helyg CBC | Agriculture & fishing | 2022 |
| Parc Pantry Ltd | Real estate | 2014 |
| Parc Radyr Management Company Limited | Households | 2002 |
| PARCELS4PAWS Ltd | Extraterritorial | 2020 |
| Parham Ltd | Construction | 2019 |
| Park Farm Equestrian Ltd | Agriculture & fishing | 2023 |
| Park Gate (East Cowes) Management Company Limited | Households | 2000 |
| Park House Management Company (IOW) Limited | Households | 2008 |
| Park Road Mortgage & Protection Ltd | Financial services | 2021 |
| Parkend Motor Company Ltd | Wholesale & retail | 2022 |
| Parker & Co (Company Secretaries) Ltd | Professional & scientific | 2010 |
| Parker & Co Accountants Limited | Professional & scientific | 2015 |
| Parker & Co Limited | Extraterritorial | 2012 |
| Parker & Co Wills Ltd | Professional & scientific | 2016 |
| Parker Flood Limited | Information & communication | 2018 |
| Parker Griffiths Limited | Professional & scientific | 2020 |
| Parker Properties (South Wales) Limited | Administrative & support | 2017 |
| Parker Ward Limited | Professional & scientific | 2002 |
| Parkes Ward Limited | Wholesale & retail | 2023 |
| Parkhill 2000 Limited | Professional & scientific | 1999 |
| Parkhill Capital Holdings LLP | | 2022 |
| Parkhill Estates Limited | Administrative & support | 1991 |
| Parkhill Resources Limited | Administrative & support | 2006 |
| Parkmead Court Management Company Limited | Households | 1988 |
| Parkside (Lakeside) Limited | Hospitality | 2024 |
| Parkside Bistro Limited | Hospitality | 2017 |
| Parkside Financial Solutions Ltd | Financial services | 2019 |
| Parkwater Properties Limited | Real estate | 2019 |
| Parlex (Europe) Limited | Manufacturing | 1977 |
| Parna Ltd | Wholesale & retail | 2009 |
| Parry-Smith Ltd | Health & social care | 2023 |
| Partchain Limited | Information & communication | 2025 |
| Parthenon Advisors Limited | Construction | 2010 |
| Partridge Holdings Limited | Real estate | 2026 |
| Partridge Renovations Limited | Construction | 2026 |
| PARTX4YOU Ltd | Wholesale & retail | 2018 |
| Partynplay (Newport) Limited | Hospitality | 2025 |
| PAS Foods Ltd | Manufacturing | 2025 |
| PAT South Wales Limited | Administrative & support | 2003 |
| Patchwork (Group) Limited | Professional & scientific | 2010 |
| Patchwork Technology Limited | Information & communication | 2010 |
| Path Plaza Ltd | Education | 2026 |
| Patouses Greece C.I.C. | Health & social care | 2024 |
| PATRIOT16 Enterprise Limited | Hospitality | 2024 |
| Pats Cleaning Services Ltd | Administrative & support | 2025 |
| Paul Bennett Recruitment Ltd | Administrative & support | 2016 |
| Paul Briscoe Ltd | Information & communication | 2020 |
| Paul Caddick Brickwork Ltd | Construction | 2026 |
| Paul Dyer Petrochemical Services Limited | Professional & scientific | 2021 |
| Paul Fosh Auctions Limited | Real estate | 2001 |
| Paul Fosh Group Limited | Financial services | 2025 |
| Paul Fosh Lettings Ltd | Real estate | 2018 |
| Paul Fosh Property Investments Ltd | Real estate | 2023 |
| Paul Francis Ltd | Wholesale & retail | 2020 |
| Paul Gallop Plumbing & Heating Ltd | Construction | 2022 |
| Paul Gray Ltd | Real estate | 2022 |
| Paul Hill Building & Maintenance Services Limited | Construction | 2013 |
| Paul Morgan Buildings Ltd | Construction | 2019 |
| Paul Phillis & Co Limited | Professional & scientific | 2007 |
| Paul Russell Financial Services Ltd | Financial services | 2019 |
| Paula Stephens Associates Ltd | Arts & recreation | 2019 |
| Paulaspooches Ltd | Wholesale & retail | 2025 |
| Pavecost Manufacturing Limited | Manufacturing | 1986 |
| Pawfect Beginnings Ltd | Wholesale & retail | 2025 |
| Paws & Peonies Limited | Wholesale & retail | 2021 |