| P&I Building Ltd | Construction | 2019 |
| P&I Egerton Investments Limited | Real estate | 2019 |
| P&L Estate Hills Ltd | Real estate | 2025 |
| P&M Properties (Essex) Limited | Real estate | 2025 |
| P&M Services Ltd | Real estate | 2017 |
| P&P News Limited | Wholesale & retail | 2026 |
| P&P TA (PAN Centre) Limited | Hospitality | 2017 |
| P&R Group (London) Ltd | Real estate | 2021 |
| P&S Realty and Developers Limited | Real estate | 2023 |
| P&S Ventures Group Ltd | Financial services | 2023 |
| P&T CAE Limited | Professional & scientific | 2015 |
| P&T Gardening Ltd | Administrative & support | 2025 |
| P&T Investment Property Limited | Real estate | 2026 |
| P&T Management Ltd | Professional & scientific | 2023 |
| P(One) FIN Services Ltd | Transport & logistics | 2023 |
| P.A. Systems Limited | Information & communication | 2005 |
| P.Hanna Electrics Ltd | Construction | 2022 |
| P.J. Carpentry & Joinery Ltd | Construction | 2015 |
| P.J.Short Limited | | 1935 |
| P.Learn Ltd | Wholesale & retail | 2021 |
| P1 Property Solutions Limited | Public administration | 2022 |
| P2 Centre Limited | Administrative & support | 2021 |
| P3 Project Solutions Ltd | Construction | 2012 |
| P4 Consultants Ltd | Professional & scientific | 2018 |
| P48 Ltd | Professional & scientific | 2025 |
| P4Y Ltd | Health & social care | 2018 |
| PA2B Properties Ltd | Real estate | 2025 |
| Paak Ltd | Other services | 2025 |
| Paak Sweets and Bakers Limited | Manufacturing | 2020 |
| Paak Yatra Ltd | Other services | 2023 |
| Paaro Limited | Wholesale & retail | 2015 |
| Paaven Pharm Limited | Professional & scientific | 2023 |
| PAB Recrutment Limited | Administrative & support | 2014 |
| Pabila Holdings Ltd | Households | 2022 |
| Pabrst Engineering Ltd | Professional & scientific | 2014 |
| Pace Marketing Ltd | Professional & scientific | 2025 |
| Pacemach Tech Consultant Limited | Information & communication | 2014 |
| Pacific Business Solutions Limited | Administrative & support | 2008 |
| Pacific Care Solutions Limited | Health & social care | 2022 |
| Pacific Grove Limited | Financial services | 2021 |
| Pacific Security UK Ltd | Administrative & support | 2015 |
| Pacific Traders (UK) Ltd | Wholesale & retail | 2011 |
| Pack Quick Limited | Administrative & support | 2021 |
| Packages Online Limited | Wholesale & retail | 2021 |
| Packboxes Ltd | Manufacturing | 2024 |
| Padda Court Investments Ltd | Real estate | 2015 |
| Padda Electricals Limited | Construction | 2017 |
| Paddington Glazing Limited | Construction | 2016 |
| Paesani Group Limited | Real estate | 2019 |
| Page ERJ Ltd | Real estate | 2021 |
| Pageant Swimming Pools Limited | | 1981 |
| Pages Boutique Hotel Ltd | Hospitality | 2019 |
| Paget Paul Properties Limited | Professional & scientific | 2004 |
| Paid Online Limited | Real estate | 2024 |
| Paint Wright Ltd | Construction | 1998 |
| Pairs Ltd | Extraterritorial | 2009 |
| Pairs U.K Limited | Wholesale & retail | 2020 |
| Paisley Consulting Ltd | Professional & scientific | 2024 |
| Paiv Ltd | Information & communication | 2021 |
| Paiv Security Ltd | Administrative & support | 2024 |
| Pajhwok Ltd | Financial services | 2019 |
| PAK Build Ltd | Construction | 2025 |
| PAK Desi Food Ltd | Hospitality | 2026 |
| PAK Drive Limited | Transport & logistics | 2025 |
| PAK Essa Limited | Wholesale & retail | 2025 |
| PAK Flavours Ltd | Wholesale & retail | 2025 |
| PAK Global Ltd | Other services | 2008 |
| PAK International Limited | Extraterritorial | 2002 |
| PAK Super Market Ltd | Wholesale & retail | 2023 |
| PAK System Ltd | Wholesale & retail | 2025 |
| PAK UK Business Council Limited | Other services | 2022 |
| PAK UK Business Gateway Ltd | Professional & scientific | 2025 |
| PAK Zameen Ltd | Real estate | 2022 |
| Pakhtoon Pakwan Ltd | Hospitality | 2017 |
| Pakhtoonkhwa Cuisine Ltd | Hospitality | 2024 |
| Pakistan Association of Urological Surgeons International CIC | Health & social care | 2021 |
| Pakistan International Urology Society (Pius) Ltd | Health & social care | 2024 |
| Pakistan Overseas Club (POC) Ltd | Professional & scientific | 2019 |
| Pakland Properties Ltd | Real estate | 2012 |
| Pakvajk Pound Plus Ltd | Wholesale & retail | 2025 |
| PAL Cabinets (UK) Limited | Manufacturing | 2012 |
| Palace DG Repairs and Spares Ltd | Construction | 2013 |
| Palace Investments U.K Ltd | Real estate | 2025 |
| Paladi Ltd | Construction | 2025 |
| Palazzo SE19 Ltd | Households | 2020 |
| Palesry Ltd | Wholesale & retail | 2025 |
| Palevale Limited | Real estate | 1981 |
| Palladium Pharma Ltd | Wholesale & retail | 2025 |
| Palna Trading Limited | Wholesale & retail | 2019 |
| Palomino Properties Ltd | Real estate | 2021 |
| Paluca Stone Ltd | Construction | 2025 |
| Palvaan G Limited | Hospitality | 2025 |
| Palwan & Brothers Limited | Hospitality | 2025 |
| Palwasha Equity Investments Ltd | Households | 2024 |
| PAM Nail Bar Limited | Administrative & support | 2022 |
| Pamzo Mart Limited | Wholesale & retail | 2024 |
| Panacea Store Ltd | Wholesale & retail | 2025 |
| Panache Luxury Shopper Ltd | Wholesale & retail | 2023 |
| Panagon Style Limited | Wholesale & retail | 2024 |
| Pandher Investments Ltd | Real estate | 2025 |