| Pharma Care North West Limited | Health & social care | 2019 |
| Pharma Consulting Services Ltd | Administrative & support | 2016 |
| Pharma Pathways Ltd | Wholesale & retail | 2025 |
| Pharma Umar Ltd | Health & social care | 2020 |
| Pharmacam Ltd | Professional & scientific | 2022 |
| Pharmacare Healthcare Limited | Health & social care | 2020 |
| Pharmaceutical Management Services Limited | Professional & scientific | 2014 |
| Pharmacy Express Limited | Wholesale & retail | 2001 |
| Pharmafill Solutions Ltd | Public administration | 2023 |
| Pharmafitness Limited | Health & social care | 2016 |
| Pharmahealth Plus Ltd | Health & social care | 2016 |
| Pharmaskin Aesthetics Ltd | Wholesale & retail | 2025 |
| Pharmassay Solutions Limited | Health & social care | 2018 |
| Pharmavon Limited | Wholesale & retail | 1983 |
| Pharmez Ltd | Health & social care | 2021 |
| Pharmshah Ltd | Wholesale & retail | 2022 |
| Pharmta Limited | Wholesale & retail | 2007 |
| Pharmthorrun Ltd | Real estate | 2017 |
| Pharmtotal Ltd | Information & communication | 2018 |
| Phase Seven Training Limited | Health & social care | 2024 |
| Phase Three Works Ltd | Construction | 2024 |
| Phase Two Bedrooms North West Limited | Construction | 2026 |
| Phase-Two Bedroom Design Ltd | Manufacturing | 2004 |
| Phaseit Limited | Information & communication | 2022 |
| Phat Desserts Ltd | Wholesale & retail | 2024 |
| Phatladz Bolton Limited | Hospitality | 2025 |
| Phazes Clothing Ltd | Wholesale & retail | 2024 |
| Pheniks Division Limited | Education | 2020 |
| Pheniks in the Community CIC | Education | 2024 |
| Phil and Alanna Limited | Health & social care | 2018 |
| Phil Audley Consulting Limited | Professional & scientific | 2025 |
| Phil Bridge Consultancy & Surveying Ltd | Professional & scientific | 2024 |
| Phil Conroy GAS Services Limited | Administrative & support | 2017 |
| Philadelphia Scientific (U.K.) Limited | Manufacturing | 1997 |
| Philip John Morgan Ltd | Professional & scientific | 2024 |
| Philip Morris Consulting Ltd | Professional & scientific | 2018 |
| Philip Smith Holdings Limited | Real estate | 2022 |
| Philip Street Bodywork Ltd | Wholesale & retail | 2026 |
| Philip Turner Services Limited | Transport & logistics | 2015 |
| Phillip Solutions Limited | Transport & logistics | 2020 |
| Philotas Limited | Extraterritorial | 2013 |
| Phizog Engineering Limited | Information & communication | 2001 |
| PHL Design & Interiors Ltd | Professional & scientific | 2013 |
| PHL Investments Limited | Real estate | 2025 |
| Phoenix 216 Ltd | Information & communication | 2022 |
| Phoenix and Phoenix Ltd | Wholesale & retail | 2026 |
| Phoenix Construction NJ Limited | Construction | 2018 |
| Phoenix GSM Ltd | Professional & scientific | 2019 |
| Phoenix Physiotherapy Lancashire Limited | Health & social care | 2015 |
| Phoenix Piping Limited | Wholesale & retail | 2008 |
| Phoenix Property Facilities Limited | Real estate | 2015 |
| Phoenix Reach Ltd | Administrative & support | 2026 |
| Phoenix Roofing (Bolton) Limited | Construction | 2017 |
| Phoenix Solid Roofs Limited | Construction | 2024 |
| Phoenix Tax Services Limited | Professional & scientific | 2016 |
| Phoenix UK (Midlands) Ltd | Real estate | 2021 |
| Phoenix Waste Consultants Ltd | Professional & scientific | 2024 |
| Phoenixj Limited | Health & social care | 2023 |
| PHOINIX2 Ltd | Administrative & support | 2017 |
| Phone Tech Plus Ltd | Wholesale & retail | 2024 |
| Phoneara Ltd | Wholesale & retail | 2024 |
| Phonerescue Limited | Wholesale & retail | 2024 |
| Phonex Vape Limited | Wholesale & retail | 2022 |
| Photohaus Limited | Other services | 2016 |
| Photonetica AI Ltd | Professional & scientific | 2025 |
| Phronesis Global Ltd | Health & social care | 2025 |
| Phspuds Ltd | Hospitality | 2025 |
| Phygital Labs Ltd | Professional & scientific | 2023 |
| Physio Hub North Limited | Health & social care | 2024 |
| Physio LAB Bolton Ltd | Health & social care | 2026 |
| Physique Academy Ltd | Arts & recreation | 2017 |
| Physique Finance Limited | Professional & scientific | 2015 |
| Physis Psychotherapy Ltd | Health & social care | 2022 |
| Phytoventures Ltd | Information & communication | 2025 |
| Piaget Ltd | Information & communication | 2025 |
| PIC a PAC Limited | Wholesale & retail | 2003 |
| PIC Enterprises Limited | Information & communication | 2016 |
| Picante Holdings Ltd | Wholesale & retail | 2023 |
| Pickaref Ltd | Arts & recreation | 2024 |
| Pickpocket Theatre Company Ltd | Administrative & support | 2026 |
| Pickup Farms Limited | Agriculture & fishing | 2023 |
| Pickup Group Limited | Financial services | 2023 |
| Pickup Plant Limited | Construction | 2008 |
| Picmagnehelm Ltd | Wholesale & retail | 2019 |
| Picnic Ventures Ltd | Information & communication | 2019 |
| Picton Group Ltd | Hospitality | 2024 |
| Pierce (Bolton) Limited | Professional & scientific | 2009 |
| Pierre's UK Property Consultant Ltd | Real estate | 2020 |
| Pig's EAR Entertainments Limited | Professional & scientific | 2008 |
| Pike Homes Limited | Professional & scientific | 2022 |
| Pike House Escapes Limited | Wholesale & retail | 2023 |
| Pike Moor Vets Limited | Professional & scientific | 2002 |
| Pike View Care Ltd | Health & social care | 2021 |
| Pike View Developers Ltd | Households | 2025 |
| Pike View Properties Limited | Real estate | 2024 |
| Pikemill Property Investments Limited | Real estate | 2025 |
| Pikemill Services Limited | Water & waste | 2025 |
| Pilates Suite Ltd | Arts & recreation | 2025 |
| Pilbeam Independent Consulting Limited | Professional & scientific | 2023 |
| Piling Supplies Limited | Extraterritorial | 2017 |