| Outglass Ltd | Construction | 2021 |
| Outreach Connect CIC | Wholesale & retail | 2020 |
| OVS Services Ltd | Water & waste | 2023 |
| OVS Transport and Logistics Ltd | Transport & logistics | 2020 |
| OVS Waste Management Ltd | Water & waste | 2019 |
| Ovsc Trading Limited | Arts & recreation | 2014 |
| Oxshott Lodge Management Co Limited | Households | 2013 |
| Oxwich Search Limited | Professional & scientific | 2015 |
| Oyster Technologies Limited | Information & communication | 2017 |
| Ozkaya Foods Ltd | Hospitality | 2018 |
| Ozzy Cozy Stays Ltd | Real estate | 2023 |
| P T Roofing Ltd | Construction | 2021 |
| P. C. Eaton Limited | Other services | 2003 |
| P.C. Windsor Ltd | Real estate | 2023 |
| P.J.B. Car Sales Ltd | Wholesale & retail | 2004 |
| P/E Global Ltd | Financial services | 2022 |
| P/E Investments Ltd | Financial services | 2022 |
| P7 Golf Ltd | Education | 2025 |
| Pace CCS Holdings Ltd | Professional & scientific | 2026 |
| Paceline Advisers Ltd | Administrative & support | 2017 |
| Pachesham Golf Centre Limited | Arts & recreation | 1985 |
| Pactolus Investments Limited | Agriculture & fishing | 2022 |
| Pages Homes Limited | Health & social care | 2004 |
| Painters of Enfield Limited | Real estate | 1951 |
| Palmer and Palmer Solicitors Limited | Professional & scientific | 2014 |
| Palmer House (Hove) Management Company Limited | Households | 2024 |
| Palms Supplies Ltd | Wholesale & retail | 2022 |
| Pang's Property Limited | Real estate | 2001 |
| Panton Limited | Professional & scientific | 2002 |
| Papertrail to Ltd | Information & communication | 2019 |
| Parade News (Horsley) Ltd | Wholesale & retail | 2018 |
| Paradigm Print Limited | Arts & recreation | 1980 |
| Paradox AV Solutions Limited | Arts & recreation | 2023 |
| Parayanees Engineers Ltd. | Construction | 2015 |
| Pareops Ltd | Information & communication | 2026 |
| Park Corner Management Company Limited | Households | 2017 |
| Park Horsley Residents (East Horsley) Limited | Households | 2025 |
| Park Rise MAN Co Limited | Real estate | 2024 |
| Park Trade Limited | Construction | 2022 |
| Park View (Sutton) Management Limited | Households | 2002 |
| Parklands Residents Association Limited | Real estate | 1986 |
| Parkside House Residents Management Company Limited | Households | 2005 |
| Parkview (Esher) Management Company Limited | Households | 2006 |
| Parkwood Partners Ltd | Professional & scientific | 2018 |
| Parousia Consulting Ltd | Professional & scientific | 2023 |
| Parsons Green Media Limited | Real estate | 2015 |
| Pathlevel Limited | Real estate | 1995 |
| Pathlock UK Ltd | Information & communication | 2000 |
| Pathman Limited | Real estate | 2019 |
| Patrick Gardner & Co. Residential Lettings Limited | Real estate | 1993 |
| Patrick Gardner Management Co Ltd | Real estate | 2016 |
| Patrick Paige Investments Limited | Other services | 2020 |
| Paul Designz Limited | Professional & scientific | 2012 |
| Paul Nickless Creative Services Limited | Information & communication | 2014 |
| PC Residential Ltd | Real estate | 2021 |
| PCI Express Limited | Wholesale & retail | 2013 |
| PDA Builders Limited | Construction | 2011 |
| PDK Motorsport Ltd | Real estate | 2025 |
| Pearce Investment Empire Limited | Real estate | 2022 |
| Pearl Haven Care Ltd | Administrative & support | 2026 |
| Pearlbay Ltd | Information & communication | 2002 |
| Peer Culture UK Ltd | Administrative & support | 2019 |
| Peer Egerton Limited | Professional & scientific | 2007 |
| Peerless Capital Limited | Real estate | 2018 |
| Pelham MTO Limited | Wholesale & retail | 1996 |
| Pennymead Drive Association Limited | Real estate | 1972 |
| Pennymead Sports Ground Limited | Arts & recreation | 1937 |
| Pension Clarity Limited | Professional & scientific | 2026 |
| Penston Applications Limited | Information & communication | 2007 |
| Pentlands Property Limited | Construction | 2020 |
| Pentright Limited | Real estate | 1979 |
| Peppaco Limited | Wholesale & retail | 2018 |
| Perfect Havoc Limited | Information & communication | 2012 |
| Perrins Bakeries Limited | Real estate | 2010 |
| Petadesk Ltd | Information & communication | 2012 |
| Petlam Consulting Limited | Information & communication | 2016 |
| Pets International Limited | Transport & logistics | 2023 |
| PFH Tech Ltd | Information & communication | 2022 |
| PH7 Mechanical and Pool Services Ltd | Other services | 2019 |
| Pharmip Ltd | Professional & scientific | 2025 |
| Phoenix Comms Limited | Professional & scientific | 2025 |
| Phoenix Elite Holdings Ltd | Wholesale & retail | 2024 |
| Phoenix(Uk) Fusion Limited | Professional & scientific | 2024 |
| Phone Vape Limited | Wholesale & retail | 2024 |
| Phorest Software Limited | Information & communication | 2008 |
| PI Properties (UK) Limited | Real estate | 2007 |
| Pillar to Post Landscaping and Construction Ltd | Professional & scientific | 2025 |
| Pilot Design Consultancy Limited | Professional & scientific | 2004 |
| Pimlico Prints Limited | Professional & scientific | 2020 |
| Pinehurst Gardens Management Company Limited | Households | 2007 |
| Pink Ginger Catering Limited | Hospitality | 2022 |
| Pink Hippo Limited | Wholesale & retail | 2023 |
| Piston Pro Motors Ltd | Wholesale & retail | 2024 |
| Pitt Rivers Ltd | Households | 2019 |
| PJS Consultancy Limited | Professional & scientific | 2012 |
| Plahnt Ltd | Wholesale & retail | 2019 |
| Planet House (Woking) Flat Management Company Limited | Households | 2002 |
| Planet IRF Creative Ltd | Professional & scientific | 2012 |
| Planning Resolution Ltd | Professional & scientific | 2015 |
| Planoform LLP | | 2003 |