| Penn Physio and Rehab Ltd | Health & social care | 2022 |
| Penn Transport Limited | Transport & logistics | 2006 |
| Pennington Group Limited | Professional & scientific | 1985 |
| Pennwick Properties Limited | Real estate | 2003 |
| Penson Transport Limited | Transport & logistics | 2002 |
| Pentax Developments Limited | Construction | 1971 |
| People and Organisation Development Limited | Administrative & support | 2002 |
| Pepper Accounting Limited | Professional & scientific | 2004 |
| Pepper Media Limited | Professional & scientific | 2002 |
| Percival Transport Limited | Transport & logistics | 2002 |
| Perform Metal Co Limited | Manufacturing | 2008 |
| Perodocy Limited | Real estate | 2005 |
| Perrins Mechanical Services Limited | Manufacturing | 1978 |
| Perseverantia Capital Ltd | Professional & scientific | 2014 |
| Pertemps Jobshop Limited | Administrative & support | 1993 |
| Perton Electrical and Maintenance Limited | Construction | 2007 |
| Petals of Piccadilly Limited | Wholesale & retail | 2003 |
| Peter Browne Limited | Other services | 2002 |
| Peter Scarks Design Limited | Professional & scientific | 2004 |
| Peter Turner (Metals) Limited | Water & waste | 1982 |
| Peter's Property Limited | Real estate | 2003 |
| Petrochem Process Pipeline UK Limited | Wholesale & retail | 2020 |
| Pewetools Limited | Administrative & support | 2004 |
| Pewter Sheet Company Limited | Manufacturing | 2006 |
| PGA Travel Limited | Arts & recreation | 1999 |
| PH Roofing Limited | Construction | 2001 |
| Phil Evans Accountancy Ltd | Professional & scientific | 2007 |
| Philip Margetts Limited | Wholesale & retail | 2003 |
| Philsec Limited | Professional & scientific | 1990 |
| Phlorone Ltd | Transport & logistics | 2019 |
| Photo Shop (Birmingham) Ltd | Wholesale & retail | 2008 |
| Piddock Brothers Limited | Manufacturing | 1945 |
| Pierpont Rose Holdings Limited | Financial services | 1959 |
| Pillar Galvanizing Limited | Extraterritorial | 1948 |
| Pillar-Wedge Group Limited | Extraterritorial | 1971 |
| Pillar-Wedge Limited | Extraterritorial | 2004 |
| Pioneer Motors Auto Parts Ltd | Manufacturing | 2024 |
| Pisha Limited | Professional & scientific | 2007 |
| Pixel Management Limited | Information & communication | 1991 |
| PJH Heating Ltd | Other services | 2006 |
| Plain Numbers Limited | Extraterritorial | 2004 |
| Plas Llwyndu Caravan Park Limited | Real estate | 1997 |
| Plastic Coatings Limited | Manufacturing | 2002 |
| Platinum Executive Services Ltd | Transport & logistics | 2006 |
| Play & Learn Limited | Education | 2001 |
| Playboy Boutique Limited | | 1975 |
| Pleasure Enjoy Ltd | Wholesale & retail | 2023 |
| PMC Building Services Ltd | Construction | 2007 |
| PMS Properties (UK) Limited | Real estate | 2003 |
| Pommies Supermarket Limited | Wholesale & retail | 2000 |
| Pool Bank Service Station Limited | Wholesale & retail | 2003 |
| Portadam Limited | Extraterritorial | 1990 |
| Porter & Woodman Gifts Limited | Wholesale & retail | 2001 |
| Poseidon Music Limited | Information & communication | 2007 |
| Positive Engineering Limited | Wholesale & retail | 1982 |
| Positive ICT Limited | Information & communication | 2004 |
| Potters Pork Products Limited | Manufacturing | 2002 |
| Power Command Limited | Administrative & support | 2001 |
| Powershear Mixers Limited | Professional & scientific | 2004 |
| PPI Midlands Limited | Construction | 2003 |
| PPM Refining Limited | Manufacturing | 1999 |
| Praefero Limited | Information & communication | 2007 |
| Prasam IT Services Limited | Information & communication | 2018 |
| Precision Optical Instruments Limited | Extraterritorial | 1982 |
| Preco Realisations Limited | Manufacturing | 1952 |
| Prema Projects Limited | Real estate | 1987 |
| Premier Paint Supplies Limited | Transport & logistics | 2004 |
| Premier Patterns & Castings Limited | Manufacturing | 2004 |
| Premier Sports (Wolverhampton) Limited | Wholesale & retail | 1984 |
| Pressvess Turnkey Solutions Ltd | Administrative & support | 2017 |
| Prestige Windows Limited | Manufacturing | 1988 |
| Preta Analog Limited | Wholesale & retail | 2023 |
| Pride Financial Planning Limited | Professional & scientific | 2003 |
| Prima Pet Care Limited | Professional & scientific | 1994 |
| Primary Flowpoints Limited | Manufacturing | 1991 |
| Primecare Homes Britannia Limited | Extraterritorial | 2005 |
| Primeful Distribution Ltd | Wholesale & retail | 2022 |
| Prince of Wales Road, Coventry Limited | Households | 1986 |
| Probe Technical Recruitment Limited | Professional & scientific | 2001 |
| Probe UK Ltd | Administrative & support | 1998 |
| Probuild Property Limited | Real estate | 2000 |
| Procrest Services Limited | Information & communication | 1998 |
| Professional DVD Services Limited | Manufacturing | 2000 |
| Professional Touch Maintenance Service's Limited | Administrative & support | 2003 |
| Profix Window Systems Limited | Construction | 2003 |
| Proflow Exhausts Limited | Wholesale & retail | 2007 |
| Project Creation Limited | Professional & scientific | 2005 |
| Project Policy Midco Limited | Financial services | 2016 |
| Project Red Ltd | Education | 2022 |
| Prola International Limited | Wholesale & retail | 2002 |
| Prolog (UK) Limited | Information & communication | 1995 |
| Proper Agency Ltd | Arts & recreation | 2007 |
| Property & Development Services (Pads) Ltd. | Real estate | 2003 |
| Protec Engineering Services (B'Ham) Limited | Manufacturing | 1994 |
| Protectorseal Limited | Manufacturing | 1999 |
| Protektor Group UK Limited | Manufacturing | 1984 |
| Protektor Profil Limited | Professional & scientific | 1991 |
| Protex Limited | Professional & scientific | 1982 |
| PSJ & Co Accountants Limited | Professional & scientific | 2000 |
| Pspr Ltd | Professional & scientific | 2003 |