| Pegasus Centre Management Company Limited | Real estate | 2008 |
| Pelican Accountancy Limited | Professional & scientific | 2023 |
| Pember Goods Ltd | Wholesale & retail | 2026 |
| Pembridge Director Services Limited | Hospitality | 2016 |
| Pencil Media Solutions Limited | Professional & scientific | 2021 |
| Pendock Estates Limited | Agriculture & fishing | 1976 |
| Penellian Limited | Construction | 2013 |
| Penelope Academy Ltd | Wholesale & retail | 2018 |
| Peninsula Building Services Ltd | Construction | 2022 |
| Peninsula Roofing Ltd | Construction | 2020 |
| Peninsula Scaffolding Limited | Construction | 2023 |
| Penn Travel UK Ltd | Administrative & support | 2020 |
| Pennington Choices Group Limited | Financial services | 2021 |
| Pennington Choices Limited | Professional & scientific | 2000 |
| Penny Drop Pups Ltd | Other services | 2025 |
| Penny Gray & Co Ltd | Professional & scientific | 2026 |
| Penrose Kendal Limited | Real estate | 2025 |
| Pentim Properties Ltd | Real estate | 2020 |
| Peoplefirst the Caring Agency Ltd | Other services | 2020 |
| Pepper ST Taverns Ltd | Hospitality | 2023 |
| Peppercorn Property Holdings Ltd | Real estate | 2022 |
| Pepperd Estates Ltd | Real estate | 2025 |
| Pepperd Holdings Ltd | Financial services | 2025 |
| Peps Contracting Limited | Construction | 2020 |
| Peps Electrical Limited | Construction | 2013 |
| Percy Davies & SON Limited | Wholesale & retail | 1955 |
| Percy in the Park Ltd | Administrative & support | 2019 |
| Perdurable ACC Ltd | Administrative & support | 2019 |
| Peregrine Ideas Limited | Professional & scientific | 2025 |
| Perennial Properties Limited | Real estate | 2020 |
| Perfect Glow Ltd | Other services | 2021 |
| Perfect Roofing and Fascias Limited | Construction | 2014 |
| Perfectly Pristine Cleaning Ltd | Administrative & support | 2021 |
| Perfectworld Ltd | Administrative & support | 2025 |
| Performance Engineering Solutions Ltd | Professional & scientific | 2011 |
| Performance R Ltd | Administrative & support | 2020 |
| Performance Services Limited | Wholesale & retail | 2006 |
| Peri Peri Spice Ltd | Hospitality | 2025 |
| Peri Spice Grill Limited | Hospitality | 2025 |
| Perimeter Fencing and Landscaping Ltd | Construction | 2025 |
| Peringathara Property Limited | Real estate | 2023 |
| Peringatharas Medical Limited | Health & social care | 2019 |
| Permacoat Limited | Manufacturing | 2000 |
| Permali Gloucester Limited | Manufacturing | 1998 |
| Permanent Jewellery Supplies UK Ltd | Wholesale & retail | 2024 |
| Perricks Farm Estates Ltd | Real estate | 2013 |
| Perrill Transport Ltd | Transport & logistics | 2020 |
| Perry & Jordan (Gloucester) Limited | Wholesale & retail | 2025 |
| Perry & Jordan Limited | Wholesale & retail | 2011 |
| Perry Construction Group Limited | Construction | 2023 |
| Perry's Property Development Ltd | Real estate | 2023 |
| Perryfield Court Residents Association Limited | Households | 1975 |
| Persona Developments Limited | Construction | 2024 |
| Persona Property Ltd | Real estate | 2017 |
| Personal Training Education Ltd | Education | 2024 |
| Personnel Vending Services Limited | Other services | 1986 |
| Perspective Landscaping Limited | Administrative & support | 2021 |
| Pertim Limited | Administrative & support | 1998 |
| Pertinacity Limited | Professional & scientific | 2014 |
| Pest Proofing and Risk Reduction Ltd | Financial services | 2024 |
| Pestbusters (Midlands) Limited | Administrative & support | 2001 |
| Pestridge Construction Ltd | Construction | 2019 |
| Pestsmart Limited | Wholesale & retail | 2026 |
| Pet&Sim Ltd | Wholesale & retail | 2024 |
| Peter Clinch Ltd | Wholesale & retail | 2009 |
| Peter Garnett Consulting Ltd | Information & communication | 2023 |
| Peter Lang Children's Trust | Administrative & support | 2006 |
| Peter Nunn Ltd | Health & social care | 2006 |
| Peter the Gardener Ltd | Administrative & support | 2020 |
| Peter's LEA Limited | Extraterritorial | 2019 |
| Peterhandyman Ltd | Construction | 2024 |
| Petoba Marketing Limited | Professional & scientific | 2008 |
| Petrie Associates International Limited | Real estate | 1999 |
| Pettiferbuildingservices Ltd | Construction | 2024 |
| PEW Crew Ltd T/A the Comfy PEW Cafe Bistro Ltd | Hospitality | 2020 |
| PF Live Limited | Arts & recreation | 2025 |
| PG Clean Ltd | Administrative & support | 2023 |
| PG Management (Stonehouse) Limited | Professional & scientific | 2013 |
| PGD Empire Limited | Wholesale & retail | 2025 |
| PH Assist Limited | Information & communication | 2006 |
| PH Commercial Refinishing Limited | Wholesale & retail | 2017 |
| Pharaoh Care Ltd | Health & social care | 2021 |
| PHC Installation Services Ltd. | Manufacturing | 2005 |
| PHE Polymer (UK) Limited | Manufacturing | 2008 |
| Phelps Brothers (Land) Limited | Professional & scientific | 2006 |
| Phelps Brothers Limited | Water & waste | 2006 |
| Phibre Ltd. | Information & communication | 2014 |
| Phil Cooper Heating and Plumbing Ltd | Construction | 2015 |
| Phil Dent Limited | Construction | 2016 |
| Phil Yarrow Consulting Ltd | Information & communication | 2007 |
| Philip Conrad Limited | Administrative & support | 2005 |
| Philip Davenport Limited | Extraterritorial | 2016 |
| Philip Nickson & Co Ltd | Professional & scientific | 2005 |
| Phillips Corporation (UK) Ltd | Real estate | 2017 |
| Phillips Family Travel Ltd | Administrative & support | 2024 |
| Phillips Traditional Metal Roofing Ltd | Construction | 2021 |
| Philtography.Co.Uk Ltd | Professional & scientific | 2017 |
| Phime Property Limited | Real estate | 2016 |
| Phoenix Asset Group Limited | Financial services | 2022 |
| Phoenix Business & Accounting Services Ltd | Professional & scientific | 2023 |