| Ownitshareit Ltd | Real estate | 2015 |
| Oxford Crematorium Limited | Extraterritorial | 1937 |
| Oxley Services Limited | Other services | 2005 |
| Oyster Property Investments Limited | Construction | 2022 |
| Oysters Medical Services Limited | Health & social care | 2015 |
| Ozanam Properties Ltd | Real estate | 2023 |
| Ozaslan Estates Ltd | Real estate | 2025 |
| OZONE8 Ltd | Health & social care | 2025 |
| P & B Investment Holdings Limited | Professional & scientific | 1973 |
| P & G Catering Solutions Limited | Hospitality | 2014 |
| P & J Hamer Investments Limited | Health & social care | 2006 |
| P & S Homes (New Arley) Limited | Construction | 2020 |
| P & S Properties Birmingham Ltd | Real estate | 2020 |
| P a Electrical (Midlands) Limited | Construction | 2013 |
| P a Kilby Enterprises Limited | Transport & logistics | 2022 |
| P FOX Consultancy Limited | Professional & scientific | 2023 |
| P Gibson (Holdings) Limited | Administrative & support | 2014 |
| P Gibson (Services) Limited | Construction | 2003 |
| P Quinn Construction Limited | Construction | 2017 |
| P R Goodman Limited | Wholesale & retail | 2011 |
| P R L C Limited | Other services | 2007 |
| P R Property Management Limited | Real estate | 2020 |
| P&L Tyres and Services Limited | Wholesale & retail | 2019 |
| P&P Construction & Build Ltd | Extraterritorial | 2021 |
| P&R Ahuja Ltd | Information & communication | 2025 |
| P&S Homes Ltd | Construction | 2018 |
| P&S Never TOO Late C.I.C. | Health & social care | 2020 |
| P&Sl Properties Ltd | Real estate | 2025 |
| P&T Transport Ltd | Transport & logistics | 2025 |
| P.A.R. Nursing Homes Limited | Health & social care | 1994 |
| P.J. Tonks Homes Limited | Construction | 2003 |
| P.R. Gilmore Holdings Limited | Construction | 1970 |
| P.R. Wells Property Limited | Real estate | 2016 |
| P.T.T. Holdings Limited | Manufacturing | 1988 |
| P3O Solutions Ltd | Professional & scientific | 2009 |
| PAA Property Services Limited | Real estate | 2023 |
| Pabbimed Ltd | Health & social care | 2017 |
| Pace Private Psychiatry Limited | Extraterritorial | 2019 |
| Pace Services West Midlands Limited | Energy | 2015 |
| Pace Strategic Advisors Ltd | Professional & scientific | 2024 |
| Pace Systems Ltd | Administrative & support | 2015 |
| Packetservices Limited | Professional & scientific | 2015 |
| Pages Print Services Ltd | Professional & scientific | 2015 |
| Paget Rangers FC Ltd | Arts & recreation | 2024 |
| Paget Rangers Juniors Football Club Limited | Education | 2024 |
| Paguro Film Ltd | Information & communication | 2018 |
| Paimbe Holdings Limited | Real estate | 2018 |
| Paint Technik Ltd | Wholesale & retail | 2018 |
| Paizo Limited | Wholesale & retail | 2020 |
| Pala Wood Fired Pizza Limited | Hospitality | 2025 |
| Palm Commercial Services Ltd | Professional & scientific | 2011 |
| Palmer & Douglas Limited | Wholesale & retail | 2005 |
| Palmer & Taylor Limited | Administrative & support | 2023 |
| Palmer Moore Limited | Financial services | 2008 |
| Palms Marketing Limited | Information & communication | 2018 |
| Pamela Byrne Ltd | Real estate | 2023 |
| Pamotor Ltd | Administrative & support | 2025 |
| PAN Gulf International Metals Industry UK Ltd | Wholesale & retail | 2019 |
| Panache Restaurants (Properties) Ltd | Real estate | 2009 |
| Panai Consulting Services Limited | Professional & scientific | 2026 |
| Panasi Ltd | Hospitality | 2024 |
| Panlova Ltd | Wholesale & retail | 2022 |
| Panther Contracts Limited | Construction | 1990 |
| Papa Bear Timber Builds Ltd | Manufacturing | 2023 |
| Papa Electrical Ltd | Construction | 2021 |
| Papa Facilities and Management Ltd | Information & communication | 2026 |
| Papa Property Ltd | Real estate | 2017 |
| Paragon UK Services Limited | Information & communication | 2023 |
| Paramatma Properties Limited | Real estate | 2025 |
| Paramount Lift Services Limited | Professional & scientific | 2024 |
| Pargeter Investments Limited | Real estate | 2017 |
| Parisi Properties Limited | Real estate | 2015 |
| Parisi Tax LLP | | 2009 |
| Park Lane Developments (Midlands) Limited | Real estate | 2005 |
| Park Lane Services Limited | Real estate | 2020 |
| Park Manor Management Company Limited | Households | 2001 |
| Park Trees House Management Company Limited | Real estate | 2005 |
| Park View (Tudor Hill) Management Company Limited | Households | 1994 |
| Park View Legal Recruitment Limited | Administrative & support | 2025 |
| Park View Road Management Company Limited | Households | 2001 |
| Park Your Truck Ltd | Administrative & support | 2022 |
| Parkdale Projects Ltd | Construction | 2006 |
| Parker IT Services Ltd | Information & communication | 2025 |
| Parkes Estate & Property Services Limited | Professional & scientific | 2008 |
| Parkes Quay Management Services Limited | Households | 1998 |
| Parkfields (Sutton Coldfield) Management Company Limited | Households | 2010 |
| Parkland Associates Ltd | Professional & scientific | 2000 |
| Parkside Apartments (Birmingham) RTM Company Limited | Households | 2022 |
| Parkside Building Services Ltd | Construction | 2018 |
| Parkwood Employment Service Limited | Administrative & support | 2002 |
| Party Wall Alliance Ltd | Professional & scientific | 2024 |
| Pascal Parize Ltd | Hospitality | 2017 |
| Pasha Turkish Barbers Ltd | Other services | 2018 |
| Pashaj Ltd | Hospitality | 2020 |
| Pat's Butcher's Ltd | Wholesale & retail | 2026 |
| Path to Support Services Ltd | Professional & scientific | 2025 |
| Pathfindr Independent Limited | Health & social care | 2022 |
| Pathfinity Network Ltd | Education | 2025 |
| Pathway Guest House Limited | Hospitality | 2022 |
| Pathway Housing Ltd | Real estate | 2015 |