| P K P Freight & Transport Ltd | Transport & logistics | 2024 |
| P K Partnership Transport Ltd | Extraterritorial | 2014 |
| P L B Game Supplies Limited | Agriculture & fishing | 2007 |
| P L J (South West) Limited | Construction | 2016 |
| P Luis Holdings Ltd | Financial services | 2025 |
| P Luxe Management Ltd | Real estate | 2025 |
| P M Groundworks (SW) Limited | Construction | 2011 |
| P M Hinder and Sons Ltd | Water & waste | 2012 |
| P M Hospitality Limited | Hospitality | 2005 |
| P Meek Carpentry Ltd | Construction | 2011 |
| P Mehta PVT Limited | Health & social care | 2018 |
| P N Projects Ltd | Construction | 2009 |
| P R B Plastering Limited | Construction | 2006 |
| P R Claridge Ltd | Administrative & support | 2007 |
| P R Sports Academy Ltd | Education | 2023 |
| P R Williams Legal Limited | Professional & scientific | 2017 |
| P S Design Consult Ltd | Professional & scientific | 2016 |
| P S Pearce General Builders Ltd | Construction | 2023 |
| P S Wholesale Group Limited | Financial services | 2024 |
| P S Wholesale Limited | Wholesale & retail | 2004 |
| P Squared HR Limited | Administrative & support | 2023 |
| P Yates Limited | Construction | 2005 |
| P&C Arnel Properties Ltd | Real estate | 2023 |
| P&Cb Ltd | Wholesale & retail | 2019 |
| P&F Express Freight Limited | Transport & logistics | 2023 |
| P&Fexpresslogistics Limited | Transport & logistics | 2018 |
| P&L Clark Limited | Wholesale & retail | 2010 |
| P&L Properties (Bristol) Ltd | Real estate | 2024 |
| P&L Property Consultants Ltd | Construction | 2023 |
| P&L Trans Ltd | Transport & logistics | 2017 |
| P&Lb Holdings Ltd | Financial services | 2022 |
| P&Lb Properties Limited | Real estate | 2025 |
| P&Lc Services Limited | Professional & scientific | 2024 |
| P&P Wills Ltd | Other services | 2022 |
| P&R Lettings Limited | Real estate | 2026 |
| P&S Framework Ltd | Construction | 2025 |
| P. & a. Campbell Limited | Transport & logistics | 2014 |
| P. & S. Mitchell Limited | Agriculture & fishing | 1977 |
| P. & W. Preservation & Construction Limited | | 1984 |
| P. B. Cook Roofing Co Ltd | Construction | 2002 |
| P. J. Dolman Ltd | Extraterritorial | 2022 |
| P. J. Property Management Services Limited | Construction | 2004 |
| P. Morgan Solutions Limited | Other services | 2009 |
| P. Thorne & SON (Safes and Security Systems) Limited | Wholesale & retail | 1966 |
| P.A Electrical Services Ltd | Construction | 2003 |
| P.A.B. Investments Limited | Real estate | 2001 |
| P.A.D Tech Ltd | Administrative & support | 2022 |
| P.A.Food Marketing (UK) Limited | Wholesale & retail | 2022 |
| P.A.Turner Sound Limited | Arts & recreation | 2011 |
| P.B. & S.J. Developments Ltd. | Construction | 2000 |
| P.B. Cleaning & Painting Services Ltd | Construction | 2025 |
| P.B. Visiting Service Limited | Administrative & support | 2017 |
| P.C.S. Air Conditioning Limited | Construction | 2006 |
| P.D Labels Limited | Manufacturing | 2008 |
| P.E. King (Bristol) Limited | Agriculture & fishing | 1971 |
| P.G Auto Services Ltd | Wholesale & retail | 2019 |
| P.G. Hawkins & Sons Limited | Transport & logistics | 1976 |
| P.G.M.A. (Scotland) Limited | Other services | 1970 |
| P.I.K. Training Limited | Professional & scientific | 2015 |
| P.J. Reynolds Property Services Limited | Real estate | 1998 |
| P.J.W. Limited | Manufacturing | 1992 |
| P.O.T. Consulting Ltd | Real estate | 2023 |
| P.P Francis Properties Ltd | Extraterritorial | 2024 |
| P.P. Injection Moulds & Mouldings Limited | Manufacturing | 1986 |
| P.S. Automotive Consultancy & Design Limited | Administrative & support | 2015 |
| P.S.I.L.S Limited | Health & social care | 2002 |
| P.W.Auto Color Limited | Wholesale & retail | 2015 |
| P/A Engineering Limited | Professional & scientific | 2010 |
| P1 Entertainment Limited | Information & communication | 2019 |
| P1 Management Group Limited | Financial services | 2024 |
| P1 Productions Ltd | Professional & scientific | 2024 |
| P10 Construction Limited | Construction | 2023 |
| P15 Limited | Professional & scientific | 2014 |
| P2P Food Ltd | Hospitality | 2025 |
| P2Y1 Ltd | Wholesale & retail | 2025 |
| P3 Medical Group Limited | Manufacturing | 2005 |
| P3DS Group Ltd | Professional & scientific | 2017 |
| P3MCARE Limited | Professional & scientific | 2015 |
| P40 Ltd | Construction | 2021 |
| P5 Computing Limited | Information & communication | 2003 |
| PAB Services Bristol Ltd | Construction | 2021 |
| Pabasara Traders Limited | Wholesale & retail | 2024 |
| Pabert LP | | 2012 |
| PAC Properties (Bristol) Limited | Real estate | 2023 |
| Pace and Place Limited | Professional & scientific | 2026 |
| Pace Electrical Ltd. | Energy | 2000 |
| Pace IT Solutions Limited | Information & communication | 2024 |
| Pace Plumbing and Heating Ltd | Construction | 2016 |
| Paceprint UK Ltd | Administrative & support | 2007 |
| Pacg Limited | Professional & scientific | 2021 |
| Pacha Natural Building Ltd | Extraterritorial | 2022 |
| Pachamama Apothecary Ltd | Manufacturing | 2024 |
| Pachon Properties Limited | Real estate | 2020 |
| Pacific Consulting Limited | Professional & scientific | 2015 |
| Pacific Joinery Limited | Construction | 2013 |
| Pacific Pathway CIC | Education | 2026 |
| Pacific Rock Ltd | Real estate | 2020 |
| Pacific Spas Limited | Wholesale & retail | 2021 |
| Pacifique Properties Ltd | Extraterritorial | 2025 |
| Pack MAN Ltd | Wholesale & retail | 2025 |