| Parker Coaching & Consultancy Ltd | Professional & scientific | 2025 |
| Parker Peel Architectural Limited | Professional & scientific | 2018 |
| Parker Racing Ltd | Wholesale & retail | 2022 |
| Parker, Brown & SON Investment Limited | Wholesale & retail | 2005 |
| Parkin International Engineering Services Limited | Real estate | 1976 |
| Parkin Property Investments Limited | Real estate | 2020 |
| Parkside Deliveries Limited | Hospitality | 2025 |
| Parkside Sandwich Bar Limited | Other services | 2023 |
| Parsons Accountants Ltd | Professional & scientific | 2011 |
| Parsons Accounting Group Limited | Financial services | 2023 |
| Parsons Medical CSN Limited | Other services | 2020 |
| Part Exchange Motors Ltd | Wholesale & retail | 2025 |
| Partington Properties Ltd | Construction | 2023 |
| Passed Masters Ltd | Education | 2024 |
| Passernomen Ltd | Real estate | 2025 |
| Passion Eastbourne Ltd | Hospitality | 2025 |
| Passionista Media Ltd | Financial services | 2016 |
| Pastel Activewear Ltd | Wholesale & retail | 2024 |
| Pastrade Ltd | Construction | 2016 |
| PAT Killingley Education Ltd | Professional & scientific | 2013 |
| Patel Stanley Local Ltd | Wholesale & retail | 2022 |
| Paterson Consultancy Limited | Information & communication | 2009 |
| Patet Ltd | Real estate | 2021 |
| Pathway Hub Ltd | Health & social care | 2025 |
| Pathwell Services Limited | Transport & logistics | 2016 |
| Patriot Bikes Ltd | Wholesale & retail | 2018 |
| Patterson Investments Limited | Real estate | 2025 |
| Paul Dobson Accountancy Services Ltd | Professional & scientific | 2026 |
| Paul Firth Electrical Limited | Construction | 2015 |
| Paul Greenaway Creative Ltd | Wholesale & retail | 2025 |
| Paul Howarth Highway Consultants Limited | Administrative & support | 2006 |
| Paul Moore Gardening Services Ltd | Administrative & support | 2007 |
| Paul Rock Development Limited | Professional & scientific | 2026 |
| Paul Smith Wealth Management Ltd | Financial services | 2012 |
| Pavilion Enterprise Ltd | Hospitality | 2024 |
| Paws & Co Pet Health Ltd | Professional & scientific | 2021 |
| Paws & Potions Limited | Extraterritorial | 2025 |
| Paws on the Move Pet Services Ltd | Other services | 2026 |
| Pawsey Wealth Management Limited | Professional & scientific | 2024 |
| Pawsome Care Ltd | Other services | 2024 |
| Pawson’S Pantry Ltd | Hospitality | 2025 |
| Pawtransport Ltd | Transport & logistics | 2021 |
| Payne Carpentry Ltd | Construction | 2014 |
| PB Contractors Limited | Agriculture & fishing | 2009 |
| Pbos Consultancy Ltd | Professional & scientific | 2026 |
| Pbos Yorkshire Ltd | Real estate | 2025 |
| PC Holdings (Wakefield) Limited | Financial services | 2019 |
| PC Pest Control Limited | Agriculture & fishing | 2003 |
| PC Specialist Limited | Information & communication | 2003 |
| Pchof Retail Ltd | Wholesale & retail | 2024 |
| PCS Holding Group Ltd | Financial services | 2025 |
| PCS Piccadilly Car Sales Ltd | Wholesale & retail | 2019 |
| PCS Property Solutions Limited | Real estate | 2012 |
| PD Roche Properties Limited | Real estate | 2025 |
| PDC Limited Partnership | | 2008 |
| PDH Sales Ltd | Wholesale & retail | 2011 |
| PDL Heating & Plumbing Limited | Construction | 2012 |
| PDS Design & Build Holdings Limited | Financial services | 2022 |
| PDS Design & Build T/A PDS Group Ltd | Construction | 1998 |
| PDS Design Limited | Professional & scientific | 2006 |
| PDS Group 2025 Limited | Financial services | 2025 |
| PDS Racing Ltd | Wholesale & retail | 2014 |
| Peach Personal Ltd. | Professional & scientific | 2005 |
| Peacock and Smith Limited | Professional & scientific | 1977 |
| Pearce Roofing Limited | Construction | 2025 |
| Pearl and Gold Limited | Hospitality | 2024 |
| Pearl and Rock Co Ltd | Manufacturing | 2024 |
| Pearson Holland Management Services Limited | Administrative & support | 1995 |
| Pearson Street Properties Limited | Real estate | 2018 |
| Pedersen Property Ltd | Real estate | 2018 |
| Peekabooo Boutique Ltd | Wholesale & retail | 2026 |
| Peel Albert Docks Limited | Hospitality | 2018 |
| Peel Holdings Liverpool Limited | Hospitality | 2018 |
| Peel Ventures Limited | Hospitality | 2018 |
| Pegasus Immobilien UND Verwaltungs Limited | Other services | 2005 |
| Peleta Limited | Other services | 1994 |
| Pelgan Investment Limited | Financial services | 2025 |
| Pelham Sloane Ltd | Real estate | 2019 |
| Pelserv Limited | Manufacturing | 2012 |
| Peniel Resources Limited | Professional & scientific | 2009 |
| Penman Leadwork & Roofing Ltd | Construction | 2026 |
| Pennine Recruit Ltd | Administrative & support | 2018 |
| Penny Appeal | Health & social care | 2008 |
| Pentel Contracts Limited | Manufacturing | 1988 |
| Penwood Farming LLP | | 2020 |
| People Centric Leadership Ltd | Professional & scientific | 2025 |
| Peppino Properties Limited | Real estate | 2017 |
| Perception DXS Limited | Information & communication | 2023 |
| Perfect Azure Limited | Professional & scientific | 2019 |
| Perfect Concepts Consultancy Ltd | Administrative & support | 2016 |
| Perfect Packaging Solutions Ltd | Administrative & support | 2021 |
| Perfect Pressure Ltd | Construction | 2007 |
| Perfection Joinery Ltd | Manufacturing | 2023 |
| Perfectly Prime Properties Limited | Real estate | 2020 |
| Performech Ltd | Construction | 2024 |
| Perle Polymers Ltd | Professional & scientific | 2006 |
| Perriy's Ltd | Professional & scientific | 2025 |
| Perspektiven UN Limited | Professional & scientific | 2013 |
| Perunas Limited | Transport & logistics | 2019 |
| Pest Armour Ltd | Administrative & support | 2025 |