| PB Building & Maintenance Solutions Limited | Construction | 2025 |
| PB Fire & Security Limited | Public administration | 2016 |
| PB Health & Safety Consultants Ltd | Professional & scientific | 2020 |
| PCM Vehicle Repairs Limited | Wholesale & retail | 2005 |
| Pctech Solutions Ltd | Information & communication | 2024 |
| PD & Sons Properties Limited | Real estate | 2024 |
| Peach Sport UK Limited | Wholesale & retail | 2017 |
| Peacock Project Community Interest Company | Professional & scientific | 2026 |
| Peal Developments Ltd | Construction | 2022 |
| Peapod (NW) Limited | Professional & scientific | 2020 |
| Pecoda (Chester) Ltd | Construction | 2013 |
| Pecoda (Heritage) Limited | Construction | 2021 |
| Pecoda Investments Limited | Real estate | 2013 |
| Pecoda Properties LLP | | 2004 |
| Pendlewood Investments Limited | Financial services | 2025 |
| Penn Contractors Limited | Construction | 2013 |
| Pentre Mawr Wedding Venue Limited | Hospitality | 2023 |
| Pentre Tech Limited | Administrative & support | 2017 |
| Permanent Beauty by Hannah Ltd | Other services | 2025 |
| Perrytree Ltd | Hospitality | 2023 |
| Personal Tutoring Services Limited | Administrative & support | 2016 |
| Petrichor Lifestyle Co. Ltd | Wholesale & retail | 2024 |
| Pharma-Plast Limited | Professional & scientific | 1949 |
| Phase 1 Fire Systems Limited | Public administration | 2015 |
| PI Installers Ltd | Construction | 2024 |
| Piccolino Restaurants Limited | Hospitality | 2020 |
| Pickford Aviation Limited | Manufacturing | 2017 |
| Pilur Limited | Hospitality | 2026 |
| Pitbull Recovery Cars Transportation Ltd | Transport & logistics | 2024 |
| Pixe Power Ltd | Manufacturing | 2024 |
| Planet Consulting Group Limited | Administrative & support | 2020 |
| Planet Services Group Ltd | Administrative & support | 2018 |
| Plasfab Limited | Manufacturing | 2017 |
| PM Surveys UK Limited | Administrative & support | 2007 |
| Polarys Strategy Limited | Professional & scientific | 2025 |
| Pollard & Sons Limited | Wholesale & retail | 2024 |
| Poltax Accounts Ltd | Professional & scientific | 2019 |
| Poltax Link Ltd | Professional & scientific | 2023 |
| Polytag Limited | Professional & scientific | 2018 |
| Ponke Ltd | Information & communication | 2025 |
| Pop-Up Holdings Ltd | Financial services | 2022 |
| Pop-Up Products Holdings Limited | Professional & scientific | 2005 |
| Pop-Up Products Limited | Wholesale & retail | 2005 |
| Poppy Field Property Security Limited | Administrative & support | 2024 |
| Portable Offices Limited | Professional & scientific | 2006 |
| Porthor Limited | Professional & scientific | 2016 |
| Positive Accounts Limited | Professional & scientific | 2026 |
| Positive Payroll Limited | Professional & scientific | 2004 |
| Power and Profit Limited | Professional & scientific | 2025 |
| Powerplus Retail Limited | Real estate | 1995 |
| Powerslam Wrestling Sports Academy C.I.C. | Arts & recreation | 2026 |
| Precedence Limited | Transport & logistics | 2014 |
| Preece Estates Ltd | Real estate | 2021 |
| Premier Clothing Limited | Wholesale & retail | 1998 |
| Premier Compliance UK Limited | Administrative & support | 2006 |
| Premier Motors Llandudno Limited | Wholesale & retail | 2017 |
| Premier Powder Coating Systems Limited | Manufacturing | 2025 |
| Premier Salon Ltd | Other services | 2023 |
| Premium Fleet Solutions Ltd | Wholesale & retail | 2019 |
| Pressd Ltd | Manufacturing | 2019 |
| Prime Martials Ltd | Wholesale & retail | 2025 |
| Pro-Tan Studios Limited | Other services | 2012 |
| Pro-Tec Electrical Contractors Ltd | Energy | 2008 |
| Professional Counselling Ltd | Health & social care | 2025 |
| Proficient Courier Limited | Transport & logistics | 2019 |
| Projekt 313 Ltd | Information & communication | 2011 |
| Promens Deeside Limited | Manufacturing | 1979 |
| Prominentium Limited | Manufacturing | 2024 |
| Prop 7 Limited | Real estate | 2025 |
| Property Vibe Ltd | Real estate | 2020 |
| PS Account Services Limited | Professional & scientific | 2019 |
| PSO Consultancy Limited | Information & communication | 2010 |
| PTP Building Consultant Limited | Professional & scientific | 2024 |
| Quality Retail Solutions Ltd | Other services | 2018 |
| Quay Beds and Furniture Ltd | Wholesale & retail | 2025 |
| Quay Practice Consultancy Limited | Health & social care | 2018 |
| Quay Smash Ltd | Hospitality | 2025 |
| Quayway Couriers & Haulage Ltd | Transport & logistics | 2026 |
| Quickbit Limited | Wholesale & retail | 2009 |
| Quinn’S Apothecary Limited | Wholesale & retail | 2022 |
| R & J Harnesses Limited | Manufacturing | 1998 |
| R D Electrical Contractors Limited | Construction | 2004 |
| Racobell Ltd | Other services | 2024 |
| Rainbowbiz C.I.C. | Wholesale & retail | 2015 |
| Ralateam Limited | Extraterritorial | 2021 |
| Ralawise Group Holdings Limited | Financial services | 2021 |
| Ralawise Limited | Wholesale & retail | 1978 |
| Ralawise.Com Limited | Extraterritorial | 2015 |
| Ralphys Kitchen Ltd | Hospitality | 2026 |
| RAM Innovations Ltd | Professional & scientific | 2011 |
| Ramsgate Flat Management Company Limited | Households | 1990 |
| Randles Properties Limited | Real estate | 2025 |
| Rasse Limited | Real estate | 2018 |
| Rate Their Access Limited | Information & communication | 2025 |
| Rawlco Limited | Real estate | 2013 |
| Rawlco Property Developments Limited | Construction | 2018 |
| RCB Property Developments Limited | Construction | 2014 |
| RCS Service & Repairs Ltd | Wholesale & retail | 2025 |
| RD Shrimpton Consulting Limited | Professional & scientific | 2026 |
| RDS 2020 Ltd | Transport & logistics | 2020 |