| Pacific Auto Services Limited | Wholesale & retail | 1998 |
| Pacific Motorsport Limited | Arts & recreation | 2017 |
| Padayattil Limited | Health & social care | 2024 |
| Padz Management Consulting Ltd | Professional & scientific | 2016 |
| Panda Martial Arts Ltd | Manufacturing | 2026 |
| Pandora Capital Ltd | Real estate | 2018 |
| Pangea Risk Ltd | Administrative & support | 2020 |
| Pappadys Trading Ltd | Wholesale & retail | 2023 |
| Paradigm Esports Ltd | Arts & recreation | 2022 |
| Paragon Preston Stevens Music Company Limited | Information & communication | 1965 |
| Parapet Investments Limited | Real estate | 1955 |
| Park Road (Redhill) Residents Association Limited | Households | 1989 |
| Parkers of Reigate Limited | Transport & logistics | 2002 |
| Parkers Taxis of Gatwick Ltd | Extraterritorial | 2013 |
| Parkhurst Developments Ltd | Construction | 2024 |
| Partis Solutions Limited | Administrative & support | 2019 |
| Patann Services Limited | Health & social care | 2015 |
| Paterson's Accounting Ltd. | Professional & scientific | 2012 |
| Patrick Productions Ltd | Information & communication | 2022 |
| PBP Management Limited | Administrative & support | 1989 |
| PCA Pet Services Ltd | Administrative & support | 2008 |
| PDG Estates Ltd | Real estate | 2024 |
| Peacock Craig Ltd | Hospitality | 2026 |
| Peak Solutions Ltd | Professional & scientific | 2002 |
| Pearl Shake Ltd | Wholesale & retail | 2022 |
| Pearlshield Limited | Professional & scientific | 2010 |
| Pebira Services Ltd | Transport & logistics | 2019 |
| Pecunia Solutio Limited | Extraterritorial | 2026 |
| Pederson Properties Limited | Real estate | 2024 |
| Peepkays Ltd | Health & social care | 2020 |
| Pegasi Capital Management Ltd | Financial services | 2015 |
| Pegasus Parts Ltd | Manufacturing | 2023 |
| Pelagia (Southern) Ltd | Information & communication | 2023 |
| Penfeather Brand and Design Consultants Ltd. | Professional & scientific | 2014 |
| Penlyst Ltd | Information & communication | 2017 |
| Penny and Blend Limited | Arts & recreation | 2021 |
| Pensacola Ltd | Professional & scientific | 2026 |
| Pensar Consultants Ltd | Construction | 2023 |
| Pentasia Group Holding Limited | Financial services | 2016 |
| Pentasia Limited | Administrative & support | 2001 |
| Perceval Grange Management Company Limited | Households | 2024 |
| Perfect Pro Clean Ltd | Construction | 2019 |
| Perfitt Timing Ltd. | Professional & scientific | 2016 |
| Performtech Limited | Information & communication | 2019 |
| Perfume Discovery Ltd | Information & communication | 2012 |
| Peritus Consultancy Limited | Professional & scientific | 2024 |
| Perrywood Park Limited | Professional & scientific | 1987 |
| Persand Properties Limited | Real estate | 2024 |
| Personal Touch Agency With a Difference LP | | 2010 |
| Perspective Climate Consultancy Ltd | Professional & scientific | 2014 |
| Peter King Creative Carpentry Ltd | Construction | 2022 |
| Peter Mays (Investments) Limited | Construction | 1925 |
| Petmaster Limited | Wholesale & retail | 2021 |
| Pevenner Investments Limited | Professional & scientific | 1961 |
| Pgwtc Ltd | Water & waste | 2016 |
| Pharmacx Limited | Health & social care | 2025 |
| Phased Limited | Professional & scientific | 2016 |
| Philip Knight Limited | Real estate | 2023 |
| Phill.Ai Ltd | Information & communication | 2020 |
| Phils Transport Ltd | Transport & logistics | 2019 |
| Phoebe Care Ltd | Health & social care | 2013 |
| Phoenix Glass and Glazing Limited | Construction | 2015 |
| Phoenix House (Chislehurst) Management Co Ltd | Households | 2021 |
| Phoenix Sunrise Properties Ltd | Real estate | 2025 |
| Picketts Salfords Ltd | Households | 2007 |
| Picketts Sanctuary Limited | Administrative & support | 1996 |
| Pickles and Tickles Limited | Wholesale & retail | 2013 |
| Pie-Data(U.K.) Limited | Administrative & support | 2000 |
| Pike and Daughters Limited | Real estate | 2017 |
| Pillinger Pumps Limited | Manufacturing | 2003 |
| Pinnacle Management Limited | Professional & scientific | 2014 |
| Pinpoint Engineer Ltd | Professional & scientific | 2016 |
| Pioneer END RTM Company Limited | Households | 2013 |
| PIP Management Holdings Limited | Extraterritorial | 2016 |
| Pirateswanted (Southern) Ltd | Construction | 2025 |
| Pither Investment Properties Ltd | Real estate | 2022 |
| Pither Technologies Limited | Information & communication | 2006 |
| Pitpmp Ltd. | Hospitality | 2019 |
| Pixel Ghost Ltd | Information & communication | 2023 |
| Pixelbox Films Ltd | Information & communication | 2013 |
| Pixham Court Freehold Limited | Households | 2008 |
| Pizza Tonight Limited | Hospitality | 2024 |
| PJ Reynolds & Associates Ltd | Professional & scientific | 2026 |
| PKL Limited | Professional & scientific | 2026 |
| Place Architecture and Design Limited | Other services | 2013 |
| Plan Finance Limited | Financial services | 2004 |
| Plan Insurance Services Limited | Extraterritorial | 2002 |
| Plan Investments Limited | Construction | 2002 |
| Plan Investments Orion Limited | Real estate | 2022 |
| Planet Marketing Limited | Professional & scientific | 2020 |
| Planning and Land Promotions Limited | Real estate | 2018 |
| Planning for Solutions Ltd | Professional & scientific | 2015 |
| Platipus Anchors Holdings Limited | Financial services | 1993 |
| Platipus Anchors Limited | Manufacturing | 1982 |
| Play Better Golf Ltd | Arts & recreation | 2026 |
| Play Big Ltd | Administrative & support | 2019 |
| Play Pouch UK Ltd | Manufacturing | 2026 |
| Playtime Express Ltd | Transport & logistics | 2024 |
| Pledges Yard Limited | Professional & scientific | 2005 |
| Pleinmont Point Limited | Professional & scientific | 2020 |