| Peak Fire Consultancy Limited | Torquay | 2026 |
| Pearce & Hart Fire Systems Ltd | Dunstable | 2009 |
| Peargados Limited | Northampton | 2022 |
| Pearl Crown Ltd | Watford | 2022 |
| Pearl Initiative CIC | Leicester | 2025 |
| Pearl the SE CIC | Peterborough | 2022 |
| Pearlm’S Ltd | Macclesfield | 2022 |
| Pearlocum Limited | St. Neots | 2019 |
| PEB Fire Protection Design Services Limited | Ipswich | 2011 |
| PEC Building Ltd | London | 2017 |
| Pedac Limited | Dartford | 2023 |
| Pedh Consulting Limited | Plymouth | 2009 |
| Pediatric.Ot Ltd | Malvern | 2024 |
| Peel Safety Services Ltd | Kirriemuir | 2025 |
| Pegasus H&S Consultancy Ltd | Ilford | 2017 |
| Pegasus TM Solutions Ltd | Watford | 2025 |
| Peligro Risk Management Ltd | Stone | 2007 |
| Pelvic Project Ltd | London | 2025 |
| Pencari Ltd | Wimborne | 2011 |
| Penchris Investments PVT Limited | Bedworth | 2020 |
| Pendle Safety Solutions Ltd | Burnley | 2025 |
| Penguin Fire Protection Ltd | Driffield | 2024 |
| Peninsula Fire Safety S W Ltd | Braunton | 2019 |
| Pensionconsult Limited | Prestwich | 2018 |
| Pentagon Global Holding Ltd | Birmingham | 2025 |
| Pentagon Radiology Reporting Ltd | Burton On Trent | 2023 |
| Penton Fire & Security Limited | Tonbridge | 2019 |
| Pentpay Ltd | Stourbridge | 2025 |
| Penzance Leisure Limited | Chorley | 2002 |
| Peony Care Ltd | Lytham St. Annes | 2025 |
| People and Paperwork Ltd | Southsea | 2025 |
| People and Property Consultancy Limited | Cheltenham | 2023 |
| People Helper Limited | Wigan | 2024 |
| People Together CIC | Leeds | 2023 |
| People's Divine Care Ltd | Nottingham | 2023 |
| Pepperstawn Ltd | Aberdeen | 2018 |
| Perdamas Services Limited | Dartford | 2022 |
| Perennial Fireproofing Ltd | Southsea | 2020 |
| Perfect 3 Consulting Limited | Knowle | 2013 |
| Perform Physiotherapy Ltd | Blandford Forum | 2026 |
| Pergot Limited | Virginia Water | 2024 |
| Pericore Healthcare Ltd | London | 2026 |
| Pering Limited | Spalding | 2012 |
| Peritus Medical Services Ltd | Bradford | 2025 |
| Permapa Ltd | Coventry | 2022 |
| Persian Sephardi Synagogue | London | 2009 |
| Person Centred Care Training Ltd | Hitchin | 2025 |
| Person Centred Home Care Ltd | Slough | 2019 |
| Personal Assistant Solutions Limited | Sevenoaks | 2024 |
| Personas Admin Support Solutions Limited | Bicester | 2019 |
| Perspective Aesthetics Limited | Enfield | 2023 |
| Perth Homecare Limited | Perth | 2025 |
| Peruakin Ltd | London | 2022 |
| Pervaz Ltd | Smethwick | 2022 |
| Pesco Health Care Ltd | Cardiff | 2018 |
| Peter M SIM Ltd | Newcastle Upon Tyne | 2020 |
| Peter Millett Consultancy Ltd | New Malden | 2017 |
| Peterborough Fire Alarm Services Limited | Peterborough | 2019 |
| Pethuel House Limited | Southend-On-Sea | 2023 |
| Petunia Care Limited | Leeds | 2021 |
| PF Doors Ltd | Slough | 2023 |
| PFC Consulting Limited | London | 2017 |
| PFP Resourcing Ltd | Wolverhampton | 2019 |
| PGC Global Ltd | Plymouth | 2011 |
| Pgco Ltd | Crewe | 2011 |
| PGH Consulting Limited | Castle Cary | 2012 |
| Pgrp Limited | Coulsdon | 2026 |
| PH Admin Ltd | Basildon | 2019 |
| Phamwayz Ltd | Maidenhead | 2016 |
| Phanerosis Locum Limited | Morden | 2021 |
| Pharma AB Ltd | Walsall | 2026 |
| Pharma TZA Ltd | Birmingham | 2023 |
| Pharmaceutico Ltd | Smethwick | 2021 |
| Pharmafill Solutions Ltd | Bolton | 2023 |
| Pharmassure International Limited | Barnard Castle | 2012 |
| Pharmed Consultancy & Services Ltd | Smethwick | 2025 |
| Pharmedix Gold Health Limited | Ruislip | 2017 |
| Pharmlife Ltd | Leeds | 2023 |
| Pharmlift Medicalcare Limited | Manchester | 2023 |
| Pharus Ltd | Princes Risborough | 2024 |
| Phase 1 Fire Systems Limited | Deeside | 2015 |
| Phase Fire Consultants Ltd | Walsall | 2025 |
| Phased Care Ltd | Birmingham | 2025 |
| PHF Fire Limited | Bishops Stortford | 2023 |
| Philada Ltd | London | 2024 |
| Philadelphia Missionary Ministry Ltd | London | 2026 |
| Phillips & Co Training Ltd | Eastleigh | 2013 |
| Phillips Advisory Ltd | Buckingham | 2026 |
| Phillipson Consulting Ltd | Leicester | 2025 |
| Phodijos Healthcare Ltd | Birmingham | 2020 |
| Phoenix ALL Care Ltd | Corsham | 2020 |
| Phoenix FAN Test Limited | Daventry | 2017 |
| Phoenix Fire Extinguisher Services Limited | Southampton | 2003 |
| Phoenix Fire Protection (NW) Ltd | Strabane | 2026 |
| Phoenix Fire Protection Limited | Preston | 2004 |
| Phoenix Fire Safety and Construction Ltd. | Preston | 2017 |
| Phoenix Fire Solutions Limited | Reading | 2025 |
| Phoenix Fire Training & Event Services Ltd | Hornchurch | 2020 |
| Phoenix First Response Training Limited | Dorking | 2014 |
| Phoenix Loss Prevention Limited | Skipton | 2003 |