| Paint My Gaff Ltd | Construction | 2021 |
| Palette Somerset LLP | | 2024 |
| Palladian Academy Trust | Education | 2012 |
| Palladian Retreats Limited | Real estate | 2022 |
| Palladian SPV Ltd | Real estate | 2024 |
| Palladio 2 Ltd | Real estate | 2021 |
| Palladio 3 Ltd | Real estate | 2024 |
| Palladio Ltd | Real estate | 2018 |
| Palliser Engineering Limited | Professional & scientific | 2014 |
| Palm Tree Interiors Limited | Construction | 2013 |
| Palmatum Coaching Ltd | Other services | 2025 |
| Palmer and the Angel Ltd | Professional & scientific | 2011 |
| Palmer Financial Planning Ltd | Financial services | 2022 |
| Palmer Stone Property Limited | Real estate | 2026 |
| Palo Santo Ltd | Arts & recreation | 2026 |
| PAM Properties Limited | Real estate | 2019 |
| Pamela Mastrogianakis Ltd | Professional & scientific | 2026 |
| Pamela Properties Limited | Real estate | 2003 |
| Panacea Business Consulting Ltd | Real estate | 1990 |
| Panache Property Ltd | Real estate | 2019 |
| Panache Software Limited | Information & communication | 2015 |
| Panache Sports Limited | Information & communication | 2023 |
| Pancha Kona Ltd | Construction | 2022 |
| Panda Sanctuaries Holdings Limited | Real estate | 2017 |
| Pandora Holdings Ltd | Financial services | 2023 |
| Pangolin Designs Limited | Professional & scientific | 2015 |
| Pangolin Digital Limited | Manufacturing | 2013 |
| Pangolin Editions Limited | Manufacturing | 1997 |
| Pangolin London Ltd | Wholesale & retail | 2004 |
| Panoculi Ltd | Health & social care | 2023 |
| Papaw CHA Ltd | Hospitality | 2019 |
| Papilio (Heritage) Ltd | Wholesale & retail | 2013 |
| Parade Park Hotel Limited | Extraterritorial | 2022 |
| Parade Property Ltd | Real estate | 2018 |
| Parades Property (Bath) Limited | Households | 1998 |
| Paradigm Five Ltd | Information & communication | 2007 |
| Paragen Limited | Administrative & support | 2025 |
| Paragon Art Limited | Arts & recreation | 2012 |
| Paragon Event Consulting Limited | Arts & recreation | 2005 |
| Paragon Professional Mentoring Ltd | Professional & scientific | 2018 |
| Paragon Resorts Limited | Hospitality | 2015 |
| Paragon Structures Limited | Construction | 2016 |
| Parallel Capital Ltd | Real estate | 2010 |
| Parcelers Ltd | Professional & scientific | 2021 |
| Parity Consultancy Ltd | Professional & scientific | 2015 |
| Park Farm Limited | Agriculture & fishing | 1997 |
| Park Lane Bath Ltd | Financial services | 2014 |
| Park Street Mews Limited | Households | 1979 |
| Parkers Aquatic Limited | Wholesale & retail | 2010 |
| Parkfield Design & Build (SW) Ltd | Construction | 2015 |
| Parkfield Residents Limited | Hospitality | 1989 |
| Parkin Environmental Ltd | Professional & scientific | 2024 |
| Parkinson Cleaning & Maintenance Ltd | Administrative & support | 2023 |
| Parkinsons Builders and Contractors Limited | Construction | 2011 |
| Parkside Health Properties Limited | Financial services | 2020 |
| Parlour Noir Limited | Hospitality | 2016 |
| Partner Intelligently Ltd | Professional & scientific | 2025 |
| Partstech Limited | Wholesale & retail | 2026 |
| Pass Go Tax Limited | Professional & scientific | 2023 |
| Pass Your English Ltd | Administrative & support | 2017 |
| Passepartout Travel Ltd | Administrative & support | 2010 |
| Pastime Investments Limited | Real estate | 2023 |
| PAT Welsh Workshops Ltd | Education | 2023 |
| Patchwork Ventures Limited | Professional & scientific | 2011 |
| Pathfinder Solutions Limited | Professional & scientific | 2023 |
| Patina Renovations Ltd | Construction | 2025 |
| Patrick Filer MVT Limited | Wholesale & retail | 2018 |
| Patrick Foster Ltd | Health & social care | 2025 |
| Patrick Woodroffe LLP | | 2008 |
| Pattern and Pearl Limited | Wholesale & retail | 2022 |
| Patterson Electricals Limited | Construction | 2018 |
| Paul Blake Ventures Limited | Information & communication | 2025 |
| Paul Ealey Properties Limited | Real estate | 2023 |
| Paul Emsley Limited | Arts & recreation | 2011 |
| Paul Goold GAS Service and Repairs Ltd | Construction | 2025 |
| Paul J Gooch Limited | Information & communication | 2024 |
| Paul O'Connor Photography Ltd | Professional & scientific | 2014 |
| Paul Swift Decor Limited | Construction | 2011 |
| Paul Tisdale Ltd | Professional & scientific | 2024 |
| Pavilion Parking (Bath) Limited | Transport & logistics | 2016 |
| Pawlyn's Properties Ltd | Real estate | 2016 |
| PAX Consulting Limited | Professional & scientific | 2015 |
| Paxos Island Holidays (Flights) Ltd | Administrative & support | 1996 |
| Paxos Island Holidays Ltd | Administrative & support | 2010 |
| Paxton Snow Limited | Information & communication | 2011 |
| PAY Less Tax Limited | Professional & scientific | 1999 |
| PB Bath Ltd | Other services | 2022 |
| PBD Capital Limited | Financial services | 2024 |
| PC Bidco Limited | Financial services | 2023 |
| PCG Developments (Bath) Ltd | Construction | 2026 |
| PCG Property (Bath) Limited | Real estate | 2018 |
| PCM SW Investments Ltd | Wholesale & retail | 2025 |
| Pcmedicare Limited | Other services | 2008 |
| PD Hive Ltd | Professional & scientific | 2012 |
| Pdctrans Ltd | Transport & logistics | 2024 |
| PDP1105 Ltd | Information & communication | 2016 |
| Peace of Mind Clinical Hypnotherapy and Psychotherapy Ltd | Health & social care | 2008 |
| Peach Bubble Limited | Information & communication | 2022 |
| Peach Property Management of Bath Ltd | Real estate | 2016 |
| Peacock & Wadsworth Properties Ltd | Households | 2023 |