| Pennington Properties (NW) Limited | Real estate | 2013 |
| Penny Projects Ltd | Information & communication | 2012 |
| Penrallt (Chalets) Management Limited | Real estate | 2023 |
| Penta Investment Holdings Ltd | Real estate | 2022 |
| Penta Properties Limited | Real estate | 2025 |
| Pentangle Management and Consultancy Ltd | Extraterritorial | 1996 |
| Pentas Recruitment Ltd | Administrative & support | 2024 |
| Pentecostal Studios Ltd | Information & communication | 2023 |
| Pentek Services Ltd | Professional & scientific | 2019 |
| Penwortham Holdings Ltd | Professional & scientific | 2020 |
| Penwortham Property Ltd | Real estate | 2018 |
| Penwortham Skin and Laser Clinic Limited | Health & social care | 2014 |
| Peony IT Ltd | Information & communication | 2022 |
| People and Services Consultant Limited | Financial services | 2020 |
| People Genetics Limited | Administrative & support | 2019 |
| People Traceuk Ltd | Information & communication | 2016 |
| Peoplogics Ltd | Education | 2024 |
| Pepa Cars Ltd | Transport & logistics | 2024 |
| Pepperowl Ltd | Professional & scientific | 2020 |
| Peppertree Limited | Real estate | 2020 |
| Peptelle Ltd | Wholesale & retail | 2026 |
| Percivals Outside Catering Limited | Hospitality | 1984 |
| Perfect Darts Ltd | Wholesale & retail | 2015 |
| Perfect Deep Cleaning Ltd | Administrative & support | 2026 |
| Perfect Finish Limited | Wholesale & retail | 1997 |
| Perfect Nails Studio Ltd | Wholesale & retail | 2026 |
| Perfect Services 24/7 Limited | Transport & logistics | 2024 |
| Perfection by Sarah Limited | Other services | 2003 |
| Perfection Cosmetic Limited | Other services | 2018 |
| Performance Creations Limited | Manufacturing | 2003 |
| Performance Digital Marketing Limited | Professional & scientific | 2013 |
| Performance Sleep Limited | Health & social care | 2017 |
| Perfume UK Goccia Ltd | Wholesale & retail | 2023 |
| Pergolasuk Ltd | Wholesale & retail | 2021 |
| Peri Smash Co Ltd | Hospitality | 2025 |
| Perimeter Landscapes Limited | Administrative & support | 2022 |
| Perimeter Security Services Ltd | Extraterritorial | 2019 |
| Perk Consulting Ltd | Information & communication | 2023 |
| Perle Hotel & Spa Ltd | Extraterritorial | 2023 |
| Permanent Way Engineering Ltd | Professional & scientific | 2023 |
| Permanently Perfect by Kaylea Brough Limited | Professional & scientific | 2014 |
| Perola Studios Ltd | Information & communication | 2024 |
| Peron (Bolton) Ltd | Manufacturing | 2022 |
| Peron Plastics Limited | Manufacturing | 2017 |
| Perry Barr Market Properties Limited | Real estate | 2017 |
| Persei Limited | Wholesale & retail | 2019 |
| Personal Protection Solutions Limited | Administrative & support | 2015 |
| Perspective Pivot Limited | Information & communication | 2022 |
| Persuus Solutions Ltd | Information & communication | 2010 |
| Perton Group Ltd | Wholesale & retail | 2013 |
| Pertonstore.Com Ltd | Wholesale & retail | 2023 |
| Pessego Ltd | Information & communication | 2022 |
| Pest Control U.K Ltd | Agriculture & fishing | 2017 |
| Pestle Health Limited | Health & social care | 2013 |
| Pestnet UK Ltd | Construction | 2025 |
| Pet Baazar Limited | Wholesale & retail | 2026 |
| Pet Cremation Direct Ltd | Other services | 2023 |
| Pet League Limited | Arts & recreation | 2019 |
| Petabyte Industrial Services Ltd | Construction | 2024 |
| Petalsoft Beauty Limited | Manufacturing | 2025 |
| Pete Smith & SON Limited | Construction | 2004 |
| Peter Aspin Limited | Professional & scientific | 2025 |
| Peter Barbeing Salon Ltd | Other services | 2017 |
| Peter Betts Consulting Limited | Professional & scientific | 2018 |
| Peter Boardman Transport Ltd | Transport & logistics | 2019 |
| Peter Brent Garages Limited | Wholesale & retail | 1976 |
| Peter Colman Services Limited | Transport & logistics | 2021 |
| Peter Cross Services Limited | Transport & logistics | 2024 |
| Peter Dive Properties Limited | Financial services | 2023 |
| Peter James Studios Ltd | Administrative & support | 2022 |
| Peter Lord Construction Limited | Construction | 2017 |
| Peter Molokwu Limited | Professional & scientific | 2016 |
| Peter Parry Ltd | Arts & recreation | 2013 |
| Peter Reid Media Limited | Information & communication | 2012 |
| Peter Vinden Limited | Professional & scientific | 2023 |
| Petertaylorrecovery Ltd | Transport & logistics | 2024 |
| Peterz Services Limited | Transport & logistics | 2023 |
| PETRA111 Trading Limited | Other services | 2023 |
| Petre Village Shop Ltd | Administrative & support | 2023 |
| PF Roofing and Cladding Limited | Construction | 2014 |
| PF Wardle Limited | Construction | 2015 |
| Pfaudler Limited | Manufacturing | 1987 |
| PFC Enterprise Ltd | Transport & logistics | 2018 |
| PFC Holdco Limited | Financial services | 2025 |
| Pfcy Projects Ltd | Construction | 2022 |
| PFL (Filter Media) Limited | Water & waste | 2015 |
| PFP Group Ltd | Real estate | 2023 |
| PFP Ltd | Administrative & support | 2019 |
| PG Networks Limited | Construction | 2023 |
| PG Services UK and Ireland Ltd | Information & communication | 2026 |
| PGB Universal Ltd | Real estate | 2021 |
| PGI Seating Solutions Limited | Manufacturing | 2014 |
| Pgmh Ltd | Wholesale & retail | 2011 |
| PGS Recruitment Ltd | Administrative & support | 2019 |
| PH Barbers Ltd | Other services | 2018 |
| PH Data Solutions Limited | Professional & scientific | 2025 |
| PH Facilities & Maintenance Services Ltd | Administrative & support | 2025 |
| Phantom Electronics Ltd | Wholesale & retail | 2026 |
| Pharm Evolution Ltd | Wholesale & retail | 2023 |
| Pharm Holdco Limited | Financial services | 2025 |