| Playworld Learning Centres Limited | Education | 1995 |
| PLD Investments Ltd | Real estate | 2024 |
| Please the Bees CIC | Professional & scientific | 2020 |
| Pleasefindattached Limited | Professional & scientific | 2008 |
| Pleiada Properties Limited | Real estate | 2025 |
| PLI Properties Ltd | Real estate | 2026 |
| Pliant Data Services Ltd | Information & communication | 2025 |
| Plingit Limited | Financial services | 2020 |
| Plouton CCS Ltd | Professional & scientific | 2024 |
| Ploutos Global Ltd | Other services | 2024 |
| PLP Property Consultants Limited | Real estate | 2004 |
| PLP Property Maintenance Limited | Construction | 2018 |
| Plum Dental & Facial Clinic Limited | Health & social care | 2022 |
| Plumb Excel Ltd | Construction | 1999 |
| Plumbing Bend-Heating Services Ltd | Construction | 2015 |
| Pluno Topco Limited | Other services | 2023 |
| Plutus Lacus Ltd | Administrative & support | 2022 |
| Plymouth Orthodontics Limited | Health & social care | 2008 |
| PMC (Glos) Ltd | Construction | 2013 |
| PMF Electrical Contractors Ltd | Wholesale & retail | 2010 |
| PMF Fortuna Ltd | Manufacturing | 2003 |
| PMG Cheltenham Rentals Ltd | Real estate | 2022 |
| Pnda Ltd | Professional & scientific | 2013 |
| Pnla Training Limited | Education | 2004 |
| Pocket Friendly Recipes Ltd | Information & communication | 2024 |
| Pocket Retreats CIC | Hospitality | 2026 |
| Podmakers Ltd | Professional & scientific | 2017 |
| Podpads Ltd | Hospitality | 2006 |
| Poemsandpolkadots Ltd | Wholesale & retail | 2022 |
| Point Blank Couriers Ltd | Transport & logistics | 2023 |
| Pokemonsidehustle Ltd | Wholesale & retail | 2026 |
| Pokkit Ltd | Information & communication | 2026 |
| Polacell Ltd | Hospitality | 2025 |
| Polefield House Limited | Households | 1975 |
| Polish Language School in Cheltenham Limited | Education | 2016 |
| Pollard's Combe Enterprises Ltd | Professional & scientific | 2019 |
| Polly Buckland Consulting Limited | Professional & scientific | 2022 |
| Polly Symondson Recruitment Ltd | Administrative & support | 2010 |
| Polo Commercial Insurance Services Limited | Financial services | 1993 |
| Polo Managing Agency Limited | Financial services | 2000 |
| Poloperformance LLP | | 2026 |
| Polska Litera Ltd | Education | 2024 |
| Polypus Group Limited | Real estate | 2016 |
| Pomc (Cheltenham) Limited | Households | 2005 |
| Ponderosa Bird & Pet Centre Limited | Wholesale & retail | 2011 |
| Pontix Ltd | Information & communication | 2026 |
| Pony Studios Ltd | Information & communication | 2018 |
| Pool and Spa Solutions Limited | Professional & scientific | 2004 |
| Poole Road Holdings Ltd | Financial services | 2024 |
| Pootlepress Ltd | Information & communication | 2010 |
| POP Bar Limited | Hospitality | 2025 |
| POP Figures Ltd | Wholesale & retail | 2020 |
| Popgus Property Ltd | Real estate | 2013 |
| Popping House Limited | Information & communication | 2021 |
| Poppy Construction Ltd | Construction | 2016 |
| Poppyseeds Day Nursery Ltd | Health & social care | 2019 |
| Porch Partners Ltd | Professional & scientific | 2019 |
| Porifyx Ltd | Information & communication | 2025 |
| Porketta Ltd | Hospitality | 2023 |
| Port Architects Limited | Construction | 2011 |
| Port South LLP | | 2003 |
| Portavia Developments Ltd | Real estate | 2020 |
| Portfolio Crsb Ltd | Administrative & support | 2016 |
| Portishead Falcons Netball Club Limited | Education | 2023 |
| Portland & Pillar Ltd | Real estate | 2026 |
| Portland Securities LLP | | 2014 |
| Portland Street Properties Limited | Construction | 2016 |
| Portman Healthcare (Group) Limited | Financial services | 2018 |
| Portman Healthcare Limited | Health & social care | 2008 |
| Portman Smile Clinic Bicester SO Ltd | Health & social care | 2026 |
| Portmandentex (Finance) Limited | Health & social care | 2014 |
| Portmandentex Limited | Health & social care | 2014 |
| Portmandentex Shared Ownership Limited | Financial services | 2025 |
| Portobello EYE Ltd | Wholesale & retail | 2025 |
| Portobello EYE TOO Ltd | Wholesale & retail | 2025 |
| Positive Development Consulting Ltd | Professional & scientific | 2019 |
| Positive Glow Ltd | Construction | 2021 |
| Poslin UK Limited | Administrative & support | 2022 |
| Postnet (LLS) Limited | Administrative & support | 2016 |
| POT Belly PIG Productions Ltd | Information & communication | 2005 |
| Potent Pixel Ltd | Professional & scientific | 2014 |
| Potentia Energy Ltd | Professional & scientific | 2024 |
| Potentia Engineering Ltd | Construction | 2022 |
| Potomac LLP | | 2017 |
| Potter House Management Ltd | Households | 2014 |
| Pottertonsofthecotswolds Ltd | Professional & scientific | 2026 |
| Powell (Cheltenham) Limited | Real estate | 1959 |
| Powell Dear and Morris Limited | Information & communication | 2016 |
| Power Team Group Ltd. | Administrative & support | 2023 |
| Powerfd Ltd | Professional & scientific | 2022 |
| Powerpro EV Ltd | Construction | 2023 |
| Powles Properties Limited | Real estate | 2003 |
| PPA Property Management Limited | Real estate | 2025 |
| PQS Building Ltd | Construction | 2022 |
| Practically.Io Limited | Information & communication | 2012 |
| Prado Information Systems Limited | Information & communication | 2004 |
| Pramaan Estates Ltd | Real estate | 2022 |
| Prankard Ltd | Information & communication | 2015 |
| Pravo Consulting Ltd | Professional & scientific | 2022 |
| Praxis Estates Ltd | Real estate | 2023 |