| Phoenix CNC Services Limited | Manufacturing | 2002 |
| Phoenix Consultants Gloucestershire Ltd | Professional & scientific | 2018 |
| Phoenix Dynamic Engineering Limited | Financial services | 2024 |
| Phoenix Engineering Industries Limited | Financial services | 2024 |
| Phoenix Fire Training Limited | Education | 2015 |
| Phoenix Hydraulic Systems (Gloucester) Limited | Professional & scientific | 2013 |
| Phoenix Hydraulic Systems Ltd | Manufacturing | 1992 |
| Phoenix Plumbing Contractors Limited | Construction | 2018 |
| Phoenix Steel Enterprises Limited | Manufacturing | 2023 |
| Phoenix Supported Living Ltd | Health & social care | 2019 |
| Phoenix Tiling & Renovations Ltd | Construction | 2025 |
| Phoenix Vessel Technology Limited | Water & waste | 2006 |
| PHOENIXC4I Ltd. | Professional & scientific | 2013 |
| Phone Klub Limited | Wholesale & retail | 2022 |
| Phone&Shish Ltd | Wholesale & retail | 2026 |
| Photon Software Consulting Services Limited | Information & communication | 2018 |
| Photonic Solar Ltd | Construction | 2011 |
| Photostonish Ltd | Information & communication | 2025 |
| Physicult Ltd | Manufacturing | 2020 |
| PI Accountancy (Swindon) Limited | Professional & scientific | 2021 |
| PI Accountancy (Worcester) Limited | Professional & scientific | 2022 |
| PI Accountancy Management Services Limited | Professional & scientific | 2013 |
| PI Bookkeeping Ltd | Professional & scientific | 2019 |
| PI Credit Management Ltd | Administrative & support | 2020 |
| PI Holdings Ltd | Extraterritorial | 2019 |
| PI Legal Limited | Extraterritorial | 2019 |
| PI POD Limited | Professional & scientific | 2022 |
| PI Probate Ltd | Professional & scientific | 2019 |
| Piano Covers Online Limited | Wholesale & retail | 2006 |
| Piara Properties Ltd | Real estate | 2019 |
| PIC a Color Nails Ltd | Other services | 2025 |
| Picka Limited | Professional & scientific | 2003 |
| Pickering and Spencer Limited | Construction | 2003 |
| Pictorial Sign Company Limited | Water & waste | 1990 |
| Pier Architects Ltd | Professional & scientific | 2024 |
| Pier Visualisations Ltd | Information & communication | 2025 |
| Pilates - MSH Ltd | Health & social care | 2023 |
| Pilgrim Hotel Ltd | Hospitality | 2021 |
| Pilkington & White Limited | Real estate | 2013 |
| Pillar Properties (Cheltenham) Limited | Real estate | 2008 |
| Pillar Properties (Gloucester) Limited | Real estate | 2008 |
| Pillar Property Ltd | Real estate | 2024 |
| Pillar Software EOT Ltd | Administrative & support | 2017 |
| Pillar Software Limited | Other services | 1994 |
| Pillarpoint Asset Management Ltd | Real estate | 2025 |
| Pillow Doctor Limited | Manufacturing | 2024 |
| Pinchmaz Ltd | Hospitality | 2024 |
| Pincus Solutions Limited | Other services | 2014 |
| Pine Bidco Limited | Health & social care | 2018 |
| Pine Midco Limited | Health & social care | 2018 |
| Pine Topco Limited | Health & social care | 2018 |
| Pinetree ( South West) Limited | Construction | 1963 |
| Pinetree (Gloucester ) Ltd | Construction | 2013 |
| Pink Apple Associates Limited | Arts & recreation | 2018 |
| Pink Canal Limited | Hospitality | 2007 |
| Pinkers (Glos) Ltd | Other services | 2008 |
| Pinkmono Ltd | Wholesale & retail | 2025 |
| Pinknoise-Systems Ltd | Wholesale & retail | 2005 |
| Pinnacle Endo Ltd | Health & social care | 2025 |
| Pioneer Automated Controls Ltd | Administrative & support | 1999 |
| PIP & Chip Ltd | Manufacturing | 2018 |
| PIP Saunders Limited | Administrative & support | 2021 |
| Pipelyft Ltd | Information & communication | 2020 |
| Pipers Meadow Management (NO.1) Limited | Real estate | 1989 |
| Pipers Meadow Management (NO.4) Limited | Households | 2004 |
| Pirico (Gloucester) Ltd | Hospitality | 2022 |
| Pirico (Swindon) Limited | Hospitality | 2020 |
| Pirico Limited | Hospitality | 2020 |
| Pirico Worcester Ltd | Hospitality | 2022 |
| Pitafi Limited | Wholesale & retail | 2025 |
| Pither Agriculture Limited | Agriculture & fishing | 2003 |
| Pitman Boxing Ltd | Arts & recreation | 2024 |
| Pitt Agencies Limited | Wholesale & retail | 2013 |
| Pitt Construction Solutions Ltd. | Construction | 2019 |
| Pittville Properties Cheltenham Limited | Real estate | 2012 |
| Pixelpivot Ltd | Information & communication | 2024 |
| Pixu Design Limited | Professional & scientific | 2011 |
| Pizazz Consulting Limited | Professional & scientific | 2009 |
| Pizza Plus Gloucester Limited | Hospitality | 2026 |
| PIZZA2YOU Ltd | Hospitality | 2023 |
| Pjevans Consultant Ltd | Professional & scientific | 2021 |
| PJP Holdings Limited | Real estate | 2016 |
| PJS Development Solutions Ltd | Professional & scientific | 2013 |
| PJT Pumping Services Limited | Water & waste | 1995 |
| PJT South West Limited | Information & communication | 2008 |
| Pjxc Ltd | Information & communication | 2024 |
| PK Anaesthesia Ltd | Health & social care | 2022 |
| PK Building Group Ltd | Construction | 2019 |
| PK Nicholson Ltd | Households | 2018 |
| Pkdesires Ltd | Wholesale & retail | 2026 |
| PKJ Asset Management Ltd | Real estate | 2026 |
| PL Care Solutions Limited | Administrative & support | 2024 |
| PL Legal Limited | Real estate | 2018 |
| PL12 Ltd | Hospitality | 2026 |
| Placemaker Guru Limited | Professional & scientific | 2019 |
| Plan Development Limited | Construction | 2019 |
| Planet Logistics (EOT) Limited | Financial services | 2024 |
| Planet Logistics Limited | Transport & logistics | 2002 |
| Planet S K Properties Ltd | Real estate | 2019 |
| Planned for Perfection Ltd | Professional & scientific | 2020 |