| Performance Fluids Limited | Manufacturing | 2000 |
| Peter Reed International Limited | Manufacturing | 2011 |
| Peter Reeves Limited | Wholesale & retail | 1984 |
| Peter's Jewellers Limited | Wholesale & retail | 1999 |
| Petite Cheesecakes Ltd | Hospitality | 2025 |
| PGR Ltd | Construction | 2025 |
| Pharmadrug Healthcare Ltd | Wholesale & retail | 2012 |
| Phipps and Attwell Limited | Financial services | 2022 |
| Phoenix Building and Refactory Services Ltd | Construction | 2022 |
| Phoenix Health NW Ltd | Health & social care | 2025 |
| Physique Sculpture Ltd | Health & social care | 2023 |
| Pick&Post Store Ltd | Wholesale & retail | 2026 |
| Pieno Consultancy Ltd | Professional & scientific | 2024 |
| Pilow Cleaning Service Ltd Ltd | Administrative & support | 2026 |
| PIN Croft Sofas Ltd | Manufacturing | 2025 |
| PINETREE24 Limited | Real estate | 2024 |
| Pinnacle Estate Agents Ltd | Real estate | 2021 |
| Pinnacle Peak Consulting Limited | Professional & scientific | 2026 |
| Pinnacle Peak Properties Limited | Real estate | 2026 |
| Pinnacle Tech Advisory Ltd | Other services | 2025 |
| Pioneer Travel Ltd | Transport & logistics | 2025 |
| PIP and Poppy Ltd | Hospitality | 2016 |
| Pixel Craft Productions Ltd | Information & communication | 2024 |
| Pixelaxiom Limited | Information & communication | 2025 |
| Pizza Factory Nelson Limited | Hospitality | 2023 |
| Pizzauno & Shawarma Limited | Hospitality | 2017 |
| Pizzeria DI Roma Limited | Hospitality | 2024 |
| PJB Couriers Limited | Transport & logistics | 2021 |
| PK Gujjar Chakora Limited | Transport & logistics | 2023 |
| Plaice on the Hill Limited | Hospitality | 2023 |
| Plastech Polymers Limited | Manufacturing | 2017 |
| Plastic Solutions Accrington Ltd | Water & waste | 2019 |
| Platinum Auto Parts Ltd | Wholesale & retail | 2025 |
| Platinum Care 4U Ltd | Health & social care | 2019 |
| Platinum Fries Limited | Professional & scientific | 1999 |
| Plato Agency Ltd | Information & communication | 2020 |
| Play Button Ltd | Arts & recreation | 2025 |
| Plaza Bargains Ltd | Wholesale & retail | 2020 |
| Plot 2 Millbank Business Park Management Company Limited | Extraterritorial | 2023 |
| Plumbserve 365 Ltd | Construction | 2025 |
| Plura-Production Limited | Information & communication | 2024 |
| Plus Recruitment Limited | Administrative & support | 2021 |
| Plus Timber Limited | Wholesale & retail | 2018 |
| PLY Design Ltd | Administrative & support | 2015 |
| PMA Productions Limited | Arts & recreation | 2002 |
| PMN Construction and Hire Ltd | Administrative & support | 2024 |
| PMN Property Services Ltd | Real estate | 2024 |
| PMR Estates Ltd | Real estate | 2007 |
| Polycom Services Limited | Manufacturing | 2003 |
| Popjoy Shop Ltd | Wholesale & retail | 2025 |
| Poppadom City Express Limited | Hospitality | 2024 |
| Poppies of Wirral Limited | Administrative & support | 2014 |
| Poppyrosestore Ltd | Construction | 2024 |
| Porcelain Bespoke Ltd | Construction | 2024 |
| Portico Products Limited | Wholesale & retail | 1992 |
| Portland Packaging | | 1997 |
| Posh Nosh (Reddish) Limited | Hospitality | 2019 |
| Poultry & Meat Masters Ltd | Wholesale & retail | 2023 |
| Pound Grow Ltd | Wholesale & retail | 2021 |
| Power Pipes Limited | Wholesale & retail | 2004 |
| Powered on Ltd | Construction | 2019 |
| PP Direct Ltd | Financial services | 2016 |
| PPC Advertising Ltd | Professional & scientific | 2011 |
| Pradus Ltd | Administrative & support | 2020 |
| Praxium Cyber Limited | Information & communication | 2025 |
| Precision Garden Buildings Limited | Construction | 2020 |
| Precision Powder Coating Ltd | Manufacturing | 2024 |
| Predanda Limited | Manufacturing | 1966 |
| Premier Barrowford Store Limited | Wholesale & retail | 2017 |
| Premier LOG Homes Limited | Construction | 2006 |
| Premier N & C Limited | Wholesale & retail | 2020 |
| Premier VUE Limited | Professional & scientific | 2012 |
| Prestige Auto Bodies (Nelson) Ltd | Wholesale & retail | 2022 |
| Prestige Events Ltd | Administrative & support | 2025 |
| Pretect Ltd | Financial services | 2025 |
| Prettylittletech Ltd | Wholesale & retail | 2023 |
| Prettyonpurpose Ltd | Wholesale & retail | 2025 |
| Primary Care Staffing Solutions Ltd | Administrative & support | 2022 |
| Prime Coach Hire Ltd | Transport & logistics | 2024 |
| Prime Furnishers Ltd | Wholesale & retail | 2025 |
| Prime Life Healthcare Ltd | Health & social care | 2024 |
| Prime Nest Furnishing Ltd | Wholesale & retail | 2026 |
| Prime Properties (Pendle) Ltd. | Real estate | 2000 |
| Primego Courier Ltd | Transport & logistics | 2022 |
| Primeone Ltd | Wholesale & retail | 2026 |
| Printsorama Ltd | Manufacturing | 2021 |
| Pro Cctv Installations Limited | Administrative & support | 2025 |
| Pro First MB Ltd | Hospitality | 2019 |
| Pro Grind Services Ltd | Professional & scientific | 2014 |
| Pro Packers UK Ltd | Wholesale & retail | 2025 |
| Proact Holding Company Ltd | Manufacturing | 2019 |
| Production Print Direct Ltd | Administrative & support | 2012 |
| Proficient Healthcare Services Limited | Health & social care | 2019 |
| Profitbuyz Limited | Information & communication | 2022 |
| Project Solutions NW Ltd | Professional & scientific | 2021 |
| Project Transform Ltd | Information & communication | 2017 |
| Promotions Wholesale UK Limited | Wholesale & retail | 2018 |
| Property and Padel Ltd | Arts & recreation | 2025 |
| Property Management Services (NW) Ltd | Real estate | 2020 |
| Property Smart Shop Limited | Real estate | 2024 |