| OZ Bozkus Limited | Construction | 2019 |
| OZ Rock Music Limited | Wholesale & retail | 2014 |
| OZA 786 Ltd | Wholesale & retail | 2025 |
| Ozemoya’S Holdings Ltd | Real estate | 2025 |
| Ozer Supplies Limited | Wholesale & retail | 2025 |
| OZK Ltd | Professional & scientific | 2013 |
| Ozmen Emlak Limited | Real estate | 2020 |
| Ozmen Limited | Wholesale & retail | 2010 |
| Ozmen London Road Ltd | Wholesale & retail | 2015 |
| Oztic Limited | Information & communication | 2007 |
| Ozyycozzy Ltd | Wholesale & retail | 2025 |
| O’Reilly Property Group Ltd | Real estate | 2026 |
| P & B Computers Limited | Information & communication | 1994 |
| P & J Butterworth Limited | Wholesale & retail | 2005 |
| P & K Vines Limited | Wholesale & retail | 2024 |
| P & L Poon Family Investment Company Limited | Financial services | 2025 |
| P & LJA Ltd | Professional & scientific | 2018 |
| P .a. Jewellery Limited | Wholesale & retail | 2007 |
| P a Pewter Products Ltd | Manufacturing | 2010 |
| P a Properties (South Yorkshire) Limited | Real estate | 2022 |
| P a R Architectural Ltd | Professional & scientific | 2012 |
| P Allen Decorating Ltd | Construction | 2019 |
| P B Transport Limited | Transport & logistics | 2022 |
| P Burgin Plumbing & Heating Limited | Construction | 2015 |
| P C Ceilings and Partitions Limited | Construction | 2019 |
| P C Techniques Ltd | Other services | 2011 |
| P D Coaching and Consultancy Limited | Other services | 2015 |
| P D J Glazing Limited | Water & waste | 2008 |
| P D Property Developments Limited | Construction | 2009 |
| P E Office Ltd | Education | 2007 |
| P Feeney Limited | Construction | 2011 |
| P Hackney Consulting Limited | Professional & scientific | 2024 |
| P Heaton Properties Ltd | Real estate | 2019 |
| P J Doolan Cutting Services Ltd | Water & waste | 2019 |
| P Keats Plumbing and Heating Ltd | Construction | 2021 |
| P Knight Consultancy Services Ltd | Information & communication | 2025 |
| P L Window Solutions Limited | Construction | 2017 |
| P M Air Conditioning & Building Services Ltd | Construction | 2019 |
| P Mercer & Co Ltd | Professional & scientific | 2018 |
| P N Clarke Commercials Limited | Wholesale & retail | 2023 |
| P N W Property Services Ltd | Real estate | 2014 |
| P O'Brien Electrical Limited | Energy | 2018 |
| P P E Properties Limited | Construction | 2010 |
| P S Covaci Limited | Professional & scientific | 2019 |
| P Simpson Decorator Limited | Construction | 2013 |
| P Singh Consultants Ltd | Financial services | 2024 |
| P T Electrical Services Limited | Construction | 2018 |
| P Talbot Services Limited | Construction | 2011 |
| P Waddington & Co (1947) Limited | Agriculture & fishing | 2019 |
| P Waddington Limited | Financial services | 1947 |
| P&D Specialist Services (Holdings) Limited | Professional & scientific | 2013 |
| P&E Rail Services Ltd | Construction | 2017 |
| P&G.Gujdova Plumbings Limited | Construction | 2025 |
| P&J Plough PUB Ltd | Hospitality | 2024 |
| P&M Decorators Ltd | Construction | 2011 |
| P&M Healthcare PVT Ltd | Health & social care | 2019 |
| P&M Resources Ltd | Administrative & support | 2013 |
| P&P MCG Company Limited | Real estate | 2021 |
| P&P News Agents Ltd | Wholesale & retail | 2023 |
| P&W Automobile Services Limited | Wholesale & retail | 2007 |
| P.A. Estates Limited | Professional & scientific | 2007 |
| P.A. Estates Management Limited | Real estate | 1978 |
| P.A. Jewellery Trustee Company Limited | Financial services | 2018 |
| P.A. Sayer Associates Limited | | 1989 |
| P.A.Leeming ( Electrical ) Ltd. | Construction | 2015 |
| P.A.M Electrical Services Ltd | Construction | 2023 |
| P.A.R Site Services Ltd | Other services | 2019 |
| P.A.S. Management Services Limited | Real estate | 2020 |
| P.A.S. Mcdonald Properties Limited | Real estate | 2010 |
| P.A.S. Services Group Holdings Limited | Financial services | 2020 |
| P.D. Pattern Books Limited | Extraterritorial | 1973 |
| P.G.P.S. Limited | Information & communication | 2003 |
| P.Goc Ltd | Transport & logistics | 2016 |
| P.Gorton Ltd | Construction | 2011 |
| P.I.G.I. Limited | Professional & scientific | 1996 |
| P.J. Homes Limited | Construction | 2000 |
| P.L.P. Lift Trucks Limited | Transport & logistics | 1973 |
| P.M.S. Diecasting Limited | Manufacturing | 1978 |
| P.M.Woolner Limited | Financial services | 2009 |
| P.O'C Construction Limited | Construction | 1999 |
| P.O.S.H. Homes Ltd | Real estate | 2020 |
| P.R. Services Limited | Construction | 1999 |
| P.R.Taylor (Builders) Limited | Real estate | 1939 |
| P.Thorpe & Co Inspection & Test Engineers Ltd | Professional & scientific | 2012 |
| P.W. Cabling (South Yorkshire) Limited | Construction | 2010 |
| P1 Limited | Professional & scientific | 2008 |
| P11GHY Ltd | Information & communication | 2026 |
| P2A Systems Ltd | Information & communication | 2021 |
| P3 Plastering Limited | Construction | 2024 |
| P3PROPERTY Management Services Limited | Real estate | 2022 |
| P7COM Ltd | Real estate | 2022 |
| P7SOLAR.COM Limited | Extraterritorial | 2015 |
| PA KOM Authentic Care Limited | Health & social care | 2016 |
| Paapico Ltd | Hospitality | 2025 |
| Paavqset Limited | Extraterritorial | 2002 |
| Pablo Byrne Ltd | Information & communication | 2023 |
| Pablo Joinery Limited | Construction | 2026 |
| PAC Metrology Ltd | Professional & scientific | 2026 |
| Pace Computer Services Limited | Information & communication | 2004 |
| Pace Software Development Limited | Information & communication | 1993 |