| Perspective Photography Limited | Professional & scientific | 2015 |
| Perspectivity Ltd | Other services | 2020 |
| Pertle Limited | Professional & scientific | 2012 |
| Pessall Properties Limited | Real estate | 2020 |
| Pest OFF U.K. Limited | Administrative & support | 2016 |
| Pestguard Northwest Leicestershire Ltd | Agriculture & fishing | 2023 |
| Pesticide Management Limited | Manufacturing | 2017 |
| Pet Carriers International Transport Ltd | Administrative & support | 2018 |
| Pet Concepts UK Ltd | Wholesale & retail | 2020 |
| Pet Plates Limited | Manufacturing | 2025 |
| Pet Trade Services Limited | Professional & scientific | 1995 |
| PET4HOME Limited | Wholesale & retail | 2026 |
| Petalea Eden Ltd | Wholesale & retail | 2026 |
| Petalyn Limited | Manufacturing | 2025 |
| Pete Barford Productions Limited | Administrative & support | 2018 |
| Pete Corderoy Limited | Construction | 1997 |
| Pete Jones Plumbing & Heating Ltd | Construction | 2016 |
| Pete Lewin Therapy Newfoundlands Limited | Other services | 2019 |
| Pete Longdon Tiling Limited | Construction | 2006 |
| Peter COX Accountancy Limited | Professional & scientific | 2003 |
| Peter Craven Consulting Limited | Information & communication | 2021 |
| Peter Farmer (Bitteswell) Limited | Agriculture & fishing | 1996 |
| Peter Joel Associates Limited | Professional & scientific | 2010 |
| Peter Julian Limited | Administrative & support | 2006 |
| Peter Lawrence Limited | Professional & scientific | 2024 |
| Peter Longfield Ltd | Manufacturing | 2003 |
| Peter REA Limited | Other services | 2009 |
| Peter REA Properties Ltd | Real estate | 2018 |
| Peter Stanhope Communications Limited | Professional & scientific | 2014 |
| Peter's Travel Ltd | Transport & logistics | 2025 |
| Peterborough Wallpaper Ltd | Construction | 2025 |
| Petergeorge.R Ltd | Transport & logistics | 2024 |
| Petersfield Growing Mediums Limited | Extraterritorial | 2020 |
| Peterson Walker Limited | Administrative & support | 2025 |
| Petite Street Play Village Ltd | Education | 2022 |
| Petitparisdeli Ltd | Wholesale & retail | 2021 |
| Petkar Medical Consultancy Limited | Health & social care | 2012 |
| Petnum Limited | Extraterritorial | 2014 |
| Petra Bentley Wigs Ltd | Other services | 2020 |
| Petra Property Services Limited | Real estate | 2015 |
| Petroshell Limited | Wholesale & retail | 2005 |
| Petruchio Ltd | Manufacturing | 2021 |
| Pets RAW Ltd | Professional & scientific | 2025 |
| Pets Sale Ltd | Wholesale & retail | 2023 |
| Pewsham Beneficial Ltd | Transport & logistics | 2018 |
| PEX Ltd | Wholesale & retail | 2003 |
| Pexicode Digital Solutions Ltd | Information & communication | 2026 |
| Peyton Rhiannon Designs Ltd | Professional & scientific | 2023 |
| PEZ Trading Limited | Wholesale & retail | 2022 |
| Pezula Limited | Real estate | 2016 |
| Pezzottaite Property Management Ltd | Hospitality | 2025 |
| PF2 Discount Ltd | Wholesale & retail | 2010 |
| Pfc.Trading Limited | Wholesale & retail | 2009 |
| Pfic Limited | Professional & scientific | 2019 |
| Pfprx Limited | Health & social care | 2023 |
| PFS Accident & Repair Ltd | Other services | 2023 |
| PFS Auto Repair Limited | Wholesale & retail | 2025 |
| PG & AR Engineering Mobile Ice Cream Specialists Ltd | Wholesale & retail | 2018 |
| PG & BN Limited | Wholesale & retail | 2022 |
| PG Joinery Leicester Limited | Construction | 2018 |
| PG Properties Leicester Ltd | Real estate | 2018 |
| PGD IP Holdings Ltd | Financial services | 2026 |
| PGD Spraying Services Ltd | Construction | 2017 |
| PGM Consultancy Ltd | Professional & scientific | 2014 |
| PGP Tech Ltd | Information & communication | 2022 |
| PGS Security Ltd | Administrative & support | 2019 |
| Pgss Motoring Services Ltd | Administrative & support | 2014 |
| PH 786 Limited | Real estate | 2018 |
| PH Holdings (Leicester) Limited | Real estate | 2016 |
| PH Medical & Consulting Ltd | Health & social care | 2015 |
| PH7 Performance Limited | Professional & scientific | 2021 |
| Phagura Holdings Ltd | Real estate | 2018 |
| Phair Trade Windows & Doors Ltd | Manufacturing | 2025 |
| Phair Windows Ltd | Construction | 2024 |
| Phantom Decor Ltd | Wholesale & retail | 2025 |
| Phantom Media Consultancy Ltd | Professional & scientific | 2021 |
| Pharma - Synergies Limited | Professional & scientific | 2006 |
| Pharma Fit Ltd | Wholesale & retail | 2017 |
| Pharma Rapport Ltd | Construction | 2010 |
| Pharma TK Ltd | Wholesale & retail | 2025 |
| Pharmacare Plus UK Ltd | Real estate | 2014 |
| Pharmacomedics Limited | Professional & scientific | 2014 |
| Pharmacy Services Group Limited | Health & social care | 2008 |
| Pharmacyhub Ltd | Extraterritorial | 2012 |
| Pharmak Pharmacy Ltd | Wholesale & retail | 2021 |
| Pharmalink Limited | Wholesale & retail | 2023 |
| Pharmaman Ltd | Administrative & support | 2016 |
| Pharmascope Consulting Limited | Health & social care | 2009 |
| Pharmasi Ltd | Wholesale & retail | 2025 |
| Pharmasif Direct Limited | Wholesale & retail | 2018 |
| Pharmaski Ltd | Wholesale & retail | 2024 |
| Pharmasom Ltd | Wholesale & retail | 2016 |
| Pharmawholesale Ltd | Wholesale & retail | 2025 |
| Pharmcity Ltd | Professional & scientific | 2026 |
| Pharmi-Tech Limited | Professional & scientific | 2017 |
| Pharmovo Ltd | Information & communication | 2020 |
| Phase (Leicester) Limited | Real estate | 2021 |
| Phase 4 Properties Ltd | Real estate | 2021 |
| Phase 4 Serviced Properties Ltd | Real estate | 2023 |
| Phase Elec Ltd | Construction | 2018 |