| Persimmon Harts Limited | Other services | 1989 |
| Persimmon Holdings Limited | Professional & scientific | 2000 |
| Persimmon Homes (Anglia) Limited | Extraterritorial | 1992 |
| Persimmon Homes (Doncaster) Limited | Extraterritorial | 1973 |
| Persimmon Homes (East Midlands) Limited | Extraterritorial | 1991 |
| Persimmon Homes (East Scotland) Limited | Extraterritorial | 1995 |
| Persimmon Homes (East Yorkshire) Limited | Professional & scientific | 1987 |
| Persimmon Homes (Edmonstone) Limited | Extraterritorial | 1999 |
| Persimmon Homes (Essex) Limited | Extraterritorial | 1934 |
| Persimmon Homes (Lancashire) Limited | Extraterritorial | 1956 |
| Persimmon Homes (Mercia) Limited | Extraterritorial | 1999 |
| Persimmon Homes (Midlands) Limited | Extraterritorial | 1972 |
| Persimmon Homes (North East) Limited | Extraterritorial | 1976 |
| Persimmon Homes (North Midlands) Limited | Extraterritorial | 1972 |
| Persimmon Homes (North West) Limited | Extraterritorial | 1986 |
| Persimmon Homes (Partnerships) Limited | Extraterritorial | 1962 |
| Persimmon Homes (South Coast) Limited | Extraterritorial | 1983 |
| Persimmon Homes (South East) Limited | Extraterritorial | 1986 |
| Persimmon Homes (South Midlands) Limited | Extraterritorial | 1988 |
| Persimmon Homes (South West) Limited | Extraterritorial | 1968 |
| Persimmon Homes (South Yorkshire) Limited | Extraterritorial | 1999 |
| Persimmon Homes (Teesside) Limited | Extraterritorial | 1932 |
| Persimmon Homes (Thames Valley) Limited | Extraterritorial | 1987 |
| Persimmon Homes (Wales) Limited | Extraterritorial | 1948 |
| Persimmon Homes (Wessex) Limited | Extraterritorial | 1977 |
| Persimmon Homes (West Midlands) Limited | Extraterritorial | 1959 |
| Persimmon Homes (West Scotland) Limited | Extraterritorial | 1992 |
| Persimmon Homes (West Yorkshire) Limited | Extraterritorial | 1994 |
| Persimmon Homes (Woodley) Limited | Professional & scientific | 1995 |
| Persimmon Homes (York) Limited | Extraterritorial | 1987 |
| Persimmon Homes (Yorkshire) Limited | Extraterritorial | 1992 |
| Persimmon Homes Developments Limited | Construction | 1991 |
| Persimmon Homes Limited | Construction | 2000 |
| Persimmon Partnerships (Scotland) Limited | Extraterritorial | 1981 |
| Persimmon Pension Trustees Limited | Other services | 2011 |
| Persimmon Public Limited Company | Financial services | 1984 |
| Persimmon Residential Limited | Extraterritorial | 1962 |
| Persimmon SC (NO 1) Limited | Extraterritorial | 2023 |
| Persimmon SC (NO 2) Limited | Extraterritorial | 2023 |
| Persimmon SC (NO 3) Limited | Extraterritorial | 2023 |
| Persimmon SC (NO 4) Limited | Extraterritorial | 2023 |
| Persimmon SC (NO 5) Limited | Extraterritorial | 2023 |
| Persimmon SC (NO 6) Limited | Extraterritorial | 2023 |
| Persimmon SC (NO 8) Limited | Extraterritorial | 2009 |
| Persimmon Shared Equity Limited | Extraterritorial | 1987 |
| Persimmon Tileworks Limited | Extraterritorial | 2015 |
| Persimmon Trustees Limited | Administrative & support | 1997 |
| Personal Developments Limited | Extraterritorial | 2024 |
| Personal Touch Administration Services Limited | Administrative & support | 1997 |
| Personal Touch Financial Services Limited | Financial services | 1997 |
| Pervasive Limited | Professional & scientific | 2006 |
| Pervasive Networks Limited | Information & communication | 1997 |
| Pest Assured Ltd | Wholesale & retail | 2022 |
| Pet Cremation Services (Newbury) Limited | Extraterritorial | 2000 |
| Pet Cremation Services (North East) Limited | Extraterritorial | 2005 |
| Pet Cremation Services (South East) Limited | Extraterritorial | 2015 |
| Pet Cremation Services Limited | Extraterritorial | 2005 |
| Pet Microchip Services Group Limited | Financial services | 2024 |
| Pet Microchip Services Limited | Financial services | 2022 |
| Pete Practice Limited | Health & social care | 2009 |
| Pete Quinn Consulting Ltd | Education | 2019 |
| Pete's Gardening Services Limited | Administrative & support | 2023 |
| Petefinnigan.Com Limited | Information & communication | 2003 |
| Peter a KAY Ltd | Professional & scientific | 2014 |
| Peter Barker Joinery Limited | Manufacturing | 2014 |
| Peter Best Trade Limited | Wholesale & retail | 2015 |
| Peter Hartas Motors Limited | Wholesale & retail | 2002 |
| Peter James Trading Ltd | Wholesale & retail | 2023 |
| Peter Miles Developments Limited | Real estate | 1989 |
| Peter Moody & Company Limited | Real estate | 2012 |
| Peter Plaskitt Design Ltd | Other services | 2012 |
| Peter Richardson Decorating Contracts Ltd | Construction | 2024 |
| Peter Schofield Limited | Agriculture & fishing | 2012 |
| Peter Silk of Helmsley Limited | Manufacturing | 2003 |
| Peter Simms Distribution Limited | Transport & logistics | 1999 |
| Peter Thompson Joinery Limited | Manufacturing | 2002 |
| Peter Thompson of York Limited | Construction | 1990 |
| Peter Watson Rail Consultancy Limited | Professional & scientific | 2018 |
| Peter Welding Ltd | Manufacturing | 2014 |
| Petpact Limited | Information & communication | 2026 |
| Petratek UK Limited | Real estate | 1972 |
| Petrel Holdings Limited | Transport & logistics | 2019 |
| Petrolheadz Trackdays Limited | Arts & recreation | 2023 |
| Petrowing Limited | Professional & scientific | 2020 |
| Pets Located.Com Ltd | Information & communication | 2010 |
| Petsreunited.Com Limited | Information & communication | 2009 |
| Pettigrew Training Limited | Administrative & support | 2014 |
| Petty Bliss Care Ltd | Health & social care | 2021 |
| Pextons Hardware Ltd | Wholesale & retail | 2022 |
| PF Barns Management Company Limited | Households | 2024 |
| PFM Dental Legal Limited | Professional & scientific | 2015 |
| PFM Dental Sales and Valuations Limited | Administrative & support | 2018 |
| PFM Townends LLP | | 2011 |
| PGL Plumbing and Heating Ltd | Construction | 2024 |
| PGR Consultancy Ltd | Information & communication | 2025 |
| PH & Associates Ltd | Real estate | 2017 |
| PH Creative Projects Ltd | Manufacturing | 2018 |
| PH Trading Limited | Wholesale & retail | 2000 |
| Phaj Integrated Systems Ltd | Construction | 2025 |
| Pharmecons Easy Access Ltd | Professional & scientific | 2017 |