| Physiod Holdings Ltd | Other services | 2025 |
| Physique and Fuel Ltd | Other services | 2017 |
| Phythians (Cronton) Limited | Wholesale & retail | 1992 |
| PI Organics Ltd | Hospitality | 2021 |
| PIA Haulage Ltd | Construction | 2016 |
| Piaford Limited | Real estate | 1983 |
| Piano Black Properties Limited | Real estate | 2020 |
| Piano Sing Limited | Information & communication | 2020 |
| PIC Property Ltd | Real estate | 2019 |
| Piccadilly Gallery Limited(The) | Arts & recreation | 1965 |
| Pich Limited | Information & communication | 2024 |
| Pick & Mixers Ltd | Wholesale & retail | 2026 |
| Pick Plus Buy Limited | Wholesale & retail | 2024 |
| Pick Portfolio Management Ltd | Extraterritorial | 2024 |
| Pickering Consultancy Ltd | Health & social care | 2016 |
| Pickford & Dyche Ltd | Construction | 2022 |
| Pickle Factory CIC | Hospitality | 2025 |
| Pickled Spirits Limited | Hospitality | 2017 |
| Picks Travel Ltd | Transport & logistics | 2021 |
| Picme Limited | Professional & scientific | 2025 |
| Picnic & SL Holdings Limited | Financial services | 2024 |
| Picnic Almond Limited | Hospitality | 2022 |
| Picnic Liverpool Ltd | Hospitality | 2017 |
| Picnic Liverpool Smithdown Ltd | Hospitality | 2019 |
| Picolab Technologies Ltd | Wholesale & retail | 2020 |
| Picow Farm Valeting Ltd | Other services | 2022 |
| Picton Construction Limited | Construction | 2020 |
| Picton Food and Wine Limited | Wholesale & retail | 2019 |
| Picton Groceries Limited | Wholesale & retail | 2025 |
| Picton News & Wine Limited | Wholesale & retail | 2018 |
| Picton News & Wine Store Ltd | Wholesale & retail | 2024 |
| Picton Primary Care Network Limited | Health & social care | 2020 |
| Picton Retail Limited | Wholesale & retail | 2025 |
| Picton Road Garage Ltd | Wholesale & retail | 2026 |
| Picton Road Hand Car Wash Ltd | Administrative & support | 2021 |
| Picton Rooms Ltd | Real estate | 2016 |
| Picton Storage Ltd | Real estate | 2026 |
| Picture Framing Services Ltd | Other services | 2013 |
| Picturesque Landscape Gardeners Limited | Administrative & support | 2004 |
| Pid-Ford-Street Ltd | Real estate | 2015 |
| PIE in the Sky Ventures Limited | Real estate | 2024 |
| Piece of Mind Limited | Other services | 2024 |
| Pied Sniper Limited | Administrative & support | 2025 |
| Piel Wellness Ltd | Health & social care | 2022 |
| Pier 39 Trading Limited | Wholesale & retail | 2021 |
| Pier 8 Water Street Ltd | Hospitality | 2022 |
| Pier Construction Ltd | Construction | 2002 |
| Pierce Software Consulting Limited | Information & communication | 2023 |
| Pierce SS Ltd | Construction | 2025 |
| Pierce Studio 21 Ltd | Professional & scientific | 2022 |
| Pierced by J Limited | Other services | 2023 |
| Piercefield Court Limited | Households | 2021 |
| Piercings @ Hermans Ltd | Other services | 2025 |
| Pierogi & Pickles Ltd | Manufacturing | 2025 |
| Pierre Griffes Cafe Bar & Bistro Ltd | Hospitality | 2020 |
| Pierre Jardin Ltd | Construction | 2019 |
| Piersa Property Ltd | Real estate | 2020 |
| Pierse City Developments Limited | Professional & scientific | 2002 |
| Pify MJ Ltd | Construction | 2024 |
| Pigeonwishes Limited | Wholesale & retail | 2018 |
| Pihl Property Holdings Limited | Professional & scientific | 2006 |
| Pihl Property Limited Liability Partnership | | 2006 |
| Piitma Cleaning Services Limited | Administrative & support | 2026 |
| Pilar Properties Limited | Real estate | 2022 |
| Pilates With Abbey Ltd | Arts & recreation | 2026 |
| Pilch 261 Limited | Hospitality | 2022 |
| Pilch Holdings Ltd | Real estate | 2026 |
| Pilch Lane Drink Store Ltd | Wholesale & retail | 2025 |
| Pile Breaking Systems (UK) Limited | Construction | 2006 |
| Pile Cropping Services Ltd | Construction | 2023 |
| Pile Properties Limited | Households | 2025 |
| Pilgrim Court Limited | Real estate | 2013 |
| Pilgrim Lettings Limited | Real estate | 2013 |
| Pilgrim Properties NW Limited | Hospitality | 2025 |
| Pili Pala Services Limited | Professional & scientific | 2007 |
| Pillarstone Ltd | Wholesale & retail | 2025 |
| Pilling Enterprises Limited | Construction | 2016 |
| Pilot Performance LAB Ltd | Education | 2026 |
| Pilsk Industrial Ltd | Construction | 2019 |
| Pilton Installations Ltd | Construction | 2024 |
| Pimp GIN Ltd | Wholesale & retail | 2021 |
| PIN Activewear Limited | Wholesale & retail | 2025 |
| PIN IOT Ltd | Information & communication | 2018 |
| Pina Yacht Charter Ltd | Transport & logistics | 2024 |
| Pindrop Security UK Limited | Information & communication | 2016 |
| Pine East Limited | Real estate | 2025 |
| Pine Lodge (Southport) Management Company Limited | Households | 1988 |
| Pine Precision Engineering Limited | Manufacturing | 1991 |
| Pineapple Studio Ltd | Professional & scientific | 2026 |
| Pineford Services Limited | Real estate | 1999 |
| Pinehirst | Education | 2009 |
| Pinehirst Education | Education | 2014 |
| Pinehurst Scaffolding Limited | Construction | 2007 |
| Pinematrix Ltd | Other services | 2007 |
| Pinewood Bridging Solutions Limited | Financial services | 2025 |
| Pinewood Finance Consultancy Ltd | Administrative & support | 2024 |
| Pinewood Lease and Hire Ltd | Professional & scientific | 2022 |
| Pinewoods Clinic Vascular Surgery Ltd | Health & social care | 2024 |
| Pinewoods Expert Limited | Administrative & support | 2016 |
| Pinfold Court Management Company Limited | Households | 1993 |