| Over-Watch Training Ltd | Health & social care | 2020 |
| Overwatch Solutions Limited | Wholesale & retail | 2026 |
| Oxford Business Masters Ltd | Professional & scientific | 2020 |
| Oxford Street Residents Management Company Ltd | Households | 2007 |
| Oxley Park (Milton Keynes) Management Limited | Households | 2006 |
| Oxley Park (Scissett) Management Company Limited | Real estate | 2011 |
| Oxon Hall Management Limited | Households | 2001 |
| Oyep Spare Parts Limited | Manufacturing | 2025 |
| Oyster Trading Group Limited | Financial services | 2025 |
| P & B Leisure Limited | Hospitality | 1998 |
| P & H Landscaping (Shropshire) Ltd | Administrative & support | 2022 |
| P & K Software Ltd | Information & communication | 2021 |
| P & L Agri Consulting Limited | Professional & scientific | 2002 |
| P & M Electrical Engineers Limited | Construction | 2014 |
| P & N Cleaning Services Ltd | Administrative & support | 2024 |
| P a Harper Associates Limited | Professional & scientific | 1995 |
| P C Industrial Properties Limited | Real estate | 2018 |
| P D Roofing (Shropshire) Limited | Construction | 2024 |
| P Ellis Limited | Professional & scientific | 2021 |
| P Godbold Ltd | Health & social care | 2021 |
| P Harper Ltd | Wholesale & retail | 2006 |
| P I Lane Limited | Real estate | 2003 |
| P M Edwards Limited | Information & communication | 2007 |
| P M Mortgages Limited | Financial services | 2004 |
| P Moulik Medical Ltd | Health & social care | 2026 |
| P Osullivan Consulting Limited | Professional & scientific | 2008 |
| P&E Developers Ltd | Other services | 2025 |
| P&V Electrical Services Limited | Administrative & support | 2017 |
| P. Bennett Builders Limited | Construction | 2013 |
| P.L.S Groundworks Limited | Construction | 2011 |
| P.M. Gittins Ltd | Professional & scientific | 2012 |
| P.R.P. Management Company Limited | Real estate | 2013 |
| Padda Property Services Limited | Construction | 2024 |
| Paddington Emergency Plumbers Limited | Construction | 2025 |
| Page 98 Productions Limited | Information & communication | 2014 |
| Pain Medicine Specialist Limited | Health & social care | 2011 |
| Paint Manager Ltd | Information & communication | 2026 |
| Painted Life Ltd | Administrative & support | 2017 |
| Painter and SON Ltd | Manufacturing | 2000 |
| Paloma's Private Hire Limited | Transport & logistics | 2017 |
| Panorama (Plymouth) Management Company Limited | Households | 2007 |
| Panorama 13 Ltd | Manufacturing | 2025 |
| Panvoria Foods Limited | Manufacturing | 2026 |
| Papamamalele Company Limited | Real estate | 2022 |
| Papermill Park Ventures Limited | Arts & recreation | 2017 |
| Paradise Lounge Limited | Hospitality | 2026 |
| Paramount Construction Shrewsbury Ltd | Construction | 2021 |
| Paraplanning Online Limited | Information & communication | 2006 |
| Parental Education Growth Support CIC | Education | 2019 |
| Pareto Financial Consulting Limited | Administrative & support | 2015 |
| Parish Fields (NO.1) Management Company Limited | Households | 1998 |
| Parish Fields (NO.3) Management Company Limited | Households | 2000 |
| Park Electrical Services Limited | Construction | 1991 |
| Park Flower Imports Ltd | Transport & logistics | 2001 |
| Park Hall Real Estate | Professional & scientific | 2010 |
| Park Property Solutions Limited | Real estate | 2013 |
| Park View (Cheadle Hulme) Management Company Limited | Construction | 2014 |
| Park Villa Holdings Ltd | Financial services | 2024 |
| Park Villa Lettings Ltd | Real estate | 2026 |
| Park Villa Residential Ltd | Real estate | 2025 |
| Parker & Scott Limited | Professional & scientific | 1997 |
| Parker Woodcock Consulting Limited | Professional & scientific | 2025 |
| Parklands (Moorland Road) Management Limited | Households | 2005 |
| PARKSW20 Management Company Ltd | Households | 2017 |
| Parnell Technologies (UK) Limited | Administrative & support | 2000 |
| Parry's Agricultural Sprayer Specialists Limited | Agriculture & fishing | 2021 |
| Partake Ltd | Real estate | 2021 |
| Participate Contemporary Artspace C.I.C. | Arts & recreation | 2015 |
| Partners in Care (Shropshire, Telford and Wrekin) | Health & social care | 2003 |
| PAS Enterprise (UK) Limited | Professional & scientific | 2013 |
| Paseck Ltd | Wholesale & retail | 2025 |
| Paso-Primero UK Ltd. | Wholesale & retail | 2015 |
| Passmaster Education Limited | Education | 2022 |
| Pastures Avenue (ST Georges) Management Company Limited | Households | 2005 |
| Patch's Limited | Professional & scientific | 1988 |
| Pathfinder FX Ltd | Financial services | 2016 |
| Pathway Intermediates Limited | Manufacturing | 2001 |
| PATHWAYS2POSSIBILITIES Ltd | Administrative & support | 2026 |
| Patriarch and Prodigy Homes Ltd | Construction | 2026 |
| Paul Cottrell Optical Services Limited | Professional & scientific | 2024 |
| Paul Crowe Ltd | Wholesale & retail | 2020 |
| Paul Elton Photography Limited | Other services | 2002 |
| Paul Evans Properties Ltd | Real estate | 2013 |
| Paul Lewis and Sons Plumbing and Heating Limited | Construction | 2012 |
| Paul Marshall 490 Ltd | Construction | 2023 |
| Paul Middleton Limited | Financial services | 2024 |
| Paul Morgan Enterprises Limited | Financial services | 2007 |
| Paul Riches Conservatories and Windows Limited | Construction | 2010 |
| Paul Turner HR Limited | Education | 2009 |
| Paul Wilcox Testing Limited | Professional & scientific | 2011 |
| Paul Woollam Joinery Limited | Construction | 2004 |
| Pauls Autocare Limited | Wholesale & retail | 2025 |
| Pavilion Lock Management Company (Stoke) Limited | Households | 2006 |
| Pawesome Retreat Ltd | Other services | 2025 |
| Paws and People Consultancy Ltd | Professional & scientific | 2025 |
| Pawson Pet Nutrition Ltd | Wholesale & retail | 2024 |
| PAY AS YOU Go Sales Reps Ltd | Administrative & support | 2024 |
| PBE Interiors Ltd | Construction | 2022 |
| PBG Nails Limited | Other services | 2022 |
| PC Mike Limited | Information & communication | 2013 |