| Perla Orgel Ltd | Health & social care | 2024 |
| Perma Products UK Limited | Wholesale & retail | 2023 |
| Pernegg Ltd | Financial services | 2022 |
| Perran Estates Limited | Real estate | 2024 |
| Perris Property Limited | Real estate | 2026 |
| Perry Barr Service Station Limited | Wholesale & retail | 2008 |
| Perry Barr Service Station(Uk) Limited | Financial services | 2024 |
| Persian Basil Grill Ltd | Hospitality | 2025 |
| Personal Improvement Limited | Education | 2004 |
| Personal Touch (Laundry and DRY Cleaners) Limited | Other services | 2000 |
| Pertonek Limited | Administrative & support | 2012 |
| Pest Control Service Group Limited | Other services | 2018 |
| Pestbuddy Ltd | Health & social care | 2018 |
| Peter & John Tiling Ltd | Construction | 2022 |
| Peter Mansi Fire Investigations (UK) Ltd | Professional & scientific | 2009 |
| Peter Roofing Services Ltd | Construction | 2024 |
| Peterkin Estates Limited | Real estate | 1948 |
| Petherton Court Management Co. Limited | Households | 1963 |
| Petra Projects Limited | Construction | 2016 |
| Petra Real Estate Limited | Real estate | 2026 |
| Petrogreen Designs Limited | Professional & scientific | 2025 |
| Petroxin Ltd | Professional & scientific | 2013 |
| Petsons Construction Limited | Construction | 2021 |
| Petsons Properties Limited | Real estate | 2023 |
| Pettywear Ltd | Wholesale & retail | 2020 |
| Pevonbel Investment Company Limited | Professional & scientific | 2025 |
| PF Automotive Ltd | Wholesale & retail | 2021 |
| PFA International Limited | Professional & scientific | 2024 |
| PFM Consultancy Limited | Professional & scientific | 2018 |
| PG Manufacturing Ltd | Manufacturing | 2024 |
| PGA Fast Ltd | Construction | 2020 |
| Pgich Ltd | Hospitality | 2023 |
| Pgma Properties Ltd | Real estate | 2019 |
| Phantom Group Ltd | Hospitality | 2025 |
| Pharenna K Ltd | Health & social care | 2014 |
| Pharm Genix Ltd | Wholesale & retail | 2025 |
| Pharm Property Ltd | Real estate | 2022 |
| Pharmagxp Services Ltd | Professional & scientific | 2021 |
| Pharmesther Limited | Administrative & support | 2022 |
| Phat Pony Ltd | Wholesale & retail | 2024 |
| Phdk Accountants Ltd | Professional & scientific | 2023 |
| PHE Associates Limited | Wholesale & retail | 2012 |
| Phex & Regis Ltd | Professional & scientific | 2014 |
| Phgvdc Ltd | Information & communication | 2023 |
| Phil Mack Promotions Limited | Arts & recreation | 2022 |
| Philosophy Digital Limited | Professional & scientific | 2017 |
| Phirana Security Ltd | Administrative & support | 2018 |
| PHK Education Limited | Education | 2020 |
| PHO KAE Crepe Bakery Ltd | Hospitality | 2022 |
| PHO KAE Ltd | Hospitality | 2022 |
| Phoenix Care Centre Limited | Health & social care | 2007 |
| Phoenix Construction (UK) Limited | Construction | 2005 |
| Phoenix Creations Limited | Other services | 2014 |
| Phoenix Merchant Capital Limited | Other services | 2014 |
| Phoenixsanpedro Limited | Construction | 2025 |
| Phoks Ltd | Wholesale & retail | 2024 |
| Phone Guard Limited | Wholesale & retail | 2019 |
| Photobooths London Limited | Administrative & support | 2014 |
| Physio Lifestyle Limited | Health & social care | 2016 |
| Physiodent Healthcare Limited | Health & social care | 2017 |
| Physis Consulting Ltd | Professional & scientific | 2023 |
| PIE 2 Brands Europe Ltd | Wholesale & retail | 2024 |
| Piemsee Consulting Limited | Professional & scientific | 2025 |
| Pilates Capital Limited | Arts & recreation | 2024 |
| Pilca Limited | Hospitality | 2023 |
| Pimi Ltd | Wholesale & retail | 2016 |
| Pimlico Hardware Ltd | Wholesale & retail | 2003 |
| Pinal and Mehul Limited | Wholesale & retail | 2017 |
| Pinchover Ltd | Wholesale & retail | 2023 |
| Pinero Limited | Hospitality | 2025 |
| Pines Neeman Ltd | Real estate | 2025 |
| Pinesia Limited | Administrative & support | 2012 |
| Pingles Service Station Limited | Wholesale & retail | 2004 |
| Pink Pumbaa Limited | Wholesale & retail | 2013 |
| Pink Sky Limited | Real estate | 2024 |
| Pinlar Limited | Professional & scientific | 2023 |
| Pinnacle Advertiser Ltd | Professional & scientific | 2026 |
| Pinnacle AIM Ltd | Administrative & support | 2024 |
| Pinnacle Palhouse Limited | Real estate | 2006 |
| Pinnacle Pathway Education Ltd | Education | 2025 |
| Pinnacle Primary Management Ltd | Real estate | 2021 |
| Pinnacle Remittance (Pinnremit) Limited | Financial services | 2024 |
| Pinnacle Upholstery Ltd | Manufacturing | 2026 |
| Pinnacle Youth Supported Accomodation Ltd | Hospitality | 2025 |
| Pinner Fish and Chips Ltd | Hospitality | 2024 |
| Pinner Village Pizza Ltd | Hospitality | 2026 |
| Pinnick Lewis Edgware Limited | Professional & scientific | 2014 |
| Pinnick Lewis LLP | | 2011 |
| Pinoymart Limited | Wholesale & retail | 2010 |
| Pinpac Limited | Manufacturing | 2018 |
| Pioneer Steel Trading Limited | Wholesale & retail | 1994 |
| Pioneering Future Momentum Limited | Information & communication | 2025 |
| PIP Perfection Ltd | Education | 2021 |
| PIP UK Services Ltd | Administrative & support | 2026 |
| PIP UK Services Trade Ltd | Financial services | 2026 |
| Pipehealers Limited | Water & waste | 2025 |
| Pipers Green Lane Limited | Real estate | 2023 |
| Pirvu Ltd | Construction | 2024 |
| Pisces Ltd | Hospitality | 2017 |
| Pistachio Healthcare Limited | Wholesale & retail | 2025 |