| Petal & Pine Properties Ltd | Real estate | 2026 |
| Petcon-Uk Ltd | Professional & scientific | 2021 |
| Pete Walker Ltd | Wholesale & retail | 2021 |
| Peter & Paul Design Limited | Professional & scientific | 2001 |
| Peter Dunlop Ltd | Real estate | 2024 |
| Peter Fowler (Electrical) Limited | Construction | 1994 |
| Peter Fowler (Security Systems) Limited | Professional & scientific | 2013 |
| Peter Jurgens Properties Ltd | Real estate | 2019 |
| Peter Mcdonald Art Ltd | Arts & recreation | 2012 |
| Peterluke TM Ltd | Administrative & support | 2023 |
| Petmedic Veterinary Services Limited | Professional & scientific | 2009 |
| Petra CS Limited | Administrative & support | 2012 |
| Petra Transport Services Limited | Transport & logistics | 2025 |
| Petre Popescu Ltd | Administrative & support | 2022 |
| Petrie Harper Limited | Construction | 1979 |
| Petro Pulse Ltd | Mining & quarrying | 2025 |
| Petrol Sign Limited | Extraterritorial | 1969 |
| Pets of the Earth Limited | Wholesale & retail | 2022 |
| Pettrip Logistics Limited | Transport & logistics | 2024 |
| Petty Things Ltd | Wholesale & retail | 2020 |
| PF Foods North Ltd | Hospitality | 2023 |
| PF Webb Limited | Hospitality | 2015 |
| PFE Properties Limited | Real estate | 2023 |
| PFS Engineers Ltd | Wholesale & retail | 2022 |
| PG Tanase Group Limited | Transport & logistics | 2024 |
| PGC Electrics Ltd | Construction | 2017 |
| Pgkg Limited | Professional & scientific | 2025 |
| PGR Developments Limited | Construction | 2001 |
| PH Alarms Ltd | Administrative & support | 2024 |
| PH Pizza Limited | Hospitality | 2023 |
| PHA Broadcast Limited | Information & communication | 2010 |
| Phaetom International Co., Limited | Professional & scientific | 2010 |
| Phantom Padel Ltd | Education | 2026 |
| Pharma Logical Ltd | Wholesale & retail | 2021 |
| Pharma YX Ltd | Wholesale & retail | 2023 |
| Phase 1 Civil Engineering Ltd | Construction | 2024 |
| Phase Property Ltd | Real estate | 2023 |
| PHE Homes Ltd | Real estate | 2026 |
| Phee Commercial Ltd | Professional & scientific | 2026 |
| Pheoniix Ltd | Extraterritorial | 2025 |
| Phew Recovery Ltd | Transport & logistics | 2023 |
| PHI Developments Limited | Real estate | 2022 |
| PHI PHI Ltd | Hospitality | 2019 |
| Phil MEE Inns Ltd | Hospitality | 2024 |
| Phil Reed & Sons Limited | Construction | 2023 |
| Philip Group Limited | Financial services | 2016 |
| Philip Jones Limited | Real estate | 2025 |
| Philipp Lenard Limited | Extraterritorial | 2014 |
| Philippa Bonham Business Development Ltd | Professional & scientific | 2025 |
| Phillips Industries LLC Limited | Manufacturing | 2025 |
| Philmore & Co Ltd | Professional & scientific | 2010 |
| Philosophy Hair & Beauty Limited | Other services | 2019 |
| Phipas Investment Limited | Professional & scientific | 2017 |
| Phoenix Beauty & Tanning Ltd | Other services | 2026 |
| Phoenix Blue Haulage Limited | Transport & logistics | 2021 |
| Phoenix Fights Limited | Arts & recreation | 2008 |
| Phoenix GUU Ltd | Transport & logistics | 2023 |
| Phoenix Land and Buildings Group Limited | Extraterritorial | 2025 |
| Phoenix Rigging Services Ltd | Information & communication | 2018 |
| Phoenix Upholstery & Furniture Repairs Limited | Other services | 2026 |
| Phss Limited | Professional & scientific | 2007 |
| Phutrans Ltd | Transport & logistics | 2016 |
| Phytomedicine Limited | Health & social care | 2022 |
| Piccolo Pizza & Kebab Ltd | Hospitality | 2025 |
| Pick UP Productions CIC | Arts & recreation | 2020 |
| Pickburn Management Services Limited | Professional & scientific | 2010 |
| Pickering Speedway Limited | Arts & recreation | 2025 |
| Pickerings Installations Ltd | Construction | 2024 |
| Pickups Paper Recovery Service Limited | Real estate | 1982 |
| Picmood Holding UK Limited | Financial services | 2025 |
| Picnic Commercial Finance Limited | Financial services | 2023 |
| Pico Alto Ltd | Arts & recreation | 2025 |
| Pictora Services Limited | Information & communication | 2019 |
| Picture Book Properties Ltd | Real estate | 2020 |
| PID Controls Limited | Construction | 2013 |
| Piebakeryltd Ltd | Extraterritorial | 2025 |
| Pierpoint Investments Limited | Real estate | 2025 |
| Pigeon UN Limited | Arts & recreation | 2025 |
| Pilgrim Fathers Caravan Park Limited | Hospitality | 2024 |
| Pilgrimage Limited | Information & communication | 2011 |
| Pilsworth Gallagher Limited | Hospitality | 2021 |
| Pimisa Ltd | Financial services | 2007 |
| Pinacle Strategy Ltd | Professional & scientific | 2025 |
| Pinar Extra Limited | Hospitality | 2025 |
| Pineapple Bookings Ltd | Construction | 2023 |
| Pinegrove Logistics Ltd | Extraterritorial | 2026 |
| Pineridge Developments Group Ltd | Manufacturing | 2025 |
| Pineridge Holdings Limited | Financial services | 2025 |
| Pinewood Shooting Ground (2020) Ltd | Arts & recreation | 2020 |
| Ping Installations Limited | Information & communication | 2021 |
| Ping's Hot Food Service Limited | Hospitality | 2018 |
| Pink Lemonade Limited | Administrative & support | 2003 |
| Pinky Ltd | Wholesale & retail | 2024 |
| Pinnacle Care Professionals Ltd | Health & social care | 2022 |
| Pinnacle Home Ltd | Real estate | 2025 |
| Pinnacle Process Solutions Limited | Administrative & support | 2013 |
| Pinnacle Visuals Ltd | Professional & scientific | 2025 |
| Pinnix Ltd | Professional & scientific | 2024 |
| Pioneer Group Holdings Limited | Administrative & support | 2017 |
| Pioneer Holdings (Doncaster) Limited | Financial services | 2025 |