| Porterbrook Investments I Limited | Financial services | 2008 |
| Porterbrook Leasing Asset Company Limited | Financial services | 1959 |
| Porterbrook Leasing Company Limited | Financial services | 1994 |
| Porterbrook Leasing MID Company Limited | Financial services | 2009 |
| Porterbrook Maintenance Limited | Transport & logistics | 1998 |
| Porterbrook March Leasing (4) Limited | Financial services | 1992 |
| Portfoligro Ltd | Real estate | 2022 |
| Portia Clayton Limited | Financial services | 2021 |
| Portland Digital Ltd | Professional & scientific | 2023 |
| Portland Grey Limited | Professional & scientific | 2020 |
| Portland Housing Derby Ltd | Real estate | 2024 |
| Portland Private Hire Ltd | Transport & logistics | 2021 |
| Portland Wire Products Limited | Manufacturing | 1994 |
| Portland Wynd (Blyth) Management Company Limited | Households | 2015 |
| Portova Ltd | Information & communication | 2022 |
| Portside Village (Phase 2) Residents Management Company Limited | Households | 2024 |
| Portside Village Residents Management Company Limited | Households | 2022 |
| Posey Yoga Ltd | Manufacturing | 2019 |
| Posh Skin Limited | Other services | 2009 |
| Posh-Car Limited | Transport & logistics | 2009 |
| Positive ID Labelling Limited | Manufacturing | 1987 |
| Positive Steps Childcare Limited | Education | 2008 |
| Positive Steps Daycare Ltd | Education | 2007 |
| Post Peak Solutions Ltd | Transport & logistics | 2026 |
| Postscrypt Limited | Extraterritorial | 2014 |
| POT Hole Allestree Limited | Hospitality | 2020 |
| Potful of Crumble Ltd | Hospitality | 2025 |
| Potlocks Day Nursery Ltd | Education | 2025 |
| Potters Hill Residents Development Management Company Limited | Households | 2019 |
| Pottery Street Ltd | Hospitality | 2005 |
| Poundstone Investments Limited | Real estate | 2017 |
| Poverty Relief Team Limited | Other services | 2023 |
| Powar Haulage Ltd | Transport & logistics | 2016 |
| Powder Monkey Games Limited | Information & communication | 2024 |
| Powell Property Partnership Limited | Real estate | 2019 |
| Power Adaptors UK Ltd | Wholesale & retail | 2016 |
| Power Auto Tech Ltd | Wholesale & retail | 2025 |
| Power Box Creative Ltd | Manufacturing | 2024 |
| Power Continuity Limited | Manufacturing | 2005 |
| Power Design Management Limited | Professional & scientific | 2025 |
| Power Electrical (Derby) Limited | Construction | 2004 |
| Power Industry Engineering Solutions Ltd | Professional & scientific | 2025 |
| Powerandcontrol Ltd | Construction | 2019 |
| Powercem Technologies (UK) Limited | Other services | 2015 |
| Powercem UK Ltd | Financial services | 2025 |
| Powerflex Limited | Professional & scientific | 1985 |
| Powerhouse Engine Developments Limited | Wholesale & retail | 2003 |
| Powermyevent Ltd | Information & communication | 2026 |
| Powernetics Limited | Professional & scientific | 2025 |
| Powerslide Limited | Information & communication | 1996 |
| Powerslide Motorcycles Derby Limited | Wholesale & retail | 2020 |
| Powerslide Racing Ltd | Arts & recreation | 2017 |
| Powrwheel Limited | Manufacturing | 2008 |
| Poxon Transport and Plant Hire Limited | Administrative & support | 1993 |
| POY Ltd | Administrative & support | 2025 |
| Poynton & SON Limited | Wholesale & retail | 2024 |
| Poyser Limited | Transport & logistics | 2024 |
| Pozzi Electrics Ltd | Construction | 2015 |
| PP Derby Limited | Real estate | 2000 |
| PPG Holdings Ltd | Financial services | 2021 |
| PPG M&E, Sports & Horticultural Lighting Ltd | Manufacturing | 2021 |
| PPG Plant Hire Ltd | Administrative & support | 2021 |
| PPK Derby Ltd | Hospitality | 2025 |
| PPM Derby Limited | Construction | 2026 |
| PPM Property Management and Maintenance Ltd | Real estate | 2024 |
| PPR Solutions Ltd | Real estate | 2025 |
| PR Nunn Limited | Professional & scientific | 2004 |
| PRA & GRA Ltd | Construction | 2026 |
| PRA Engineering Ltd | Professional & scientific | 2020 |
| Prabhat Film and Photography Ltd | Information & communication | 2020 |
| Practical Solutions (GB) Limited | Professional & scientific | 2004 |
| Practical Solutions Midlands Limited | Professional & scientific | 2011 |
| Practically Leading Consultancy Limited | Professional & scientific | 2024 |
| Praedium Nova Ltd | Real estate | 2026 |
| Praesidio Consulting Ltd | Professional & scientific | 2016 |
| Praesidio Developments Limited | Administrative & support | 2016 |
| Praesidio Holdings Ltd | Financial services | 2017 |
| Praesidio Management Ltd | Real estate | 2015 |
| Praesidio SH1 Ltd | Real estate | 2021 |
| Pragmatists Limited | Information & communication | 2015 |
| Pragyaan Limited | Real estate | 2019 |
| Praiso Limited | Information & communication | 2013 |
| Pran Private Limited | Information & communication | 2016 |
| Pratai Limited | Hospitality | 2023 |
| Prath Limited | Wholesale & retail | 2026 |
| Pravash Limited | Health & social care | 2022 |
| PRE Owned Watch Co Limited | Wholesale & retail | 2013 |
| Precious Prime Foods Ltd | Health & social care | 2026 |
| Precise Driveways Ltd | Construction | 2024 |
| Precise Footcare Limited | Health & social care | 2023 |
| Precise Personnel Ltd | Administrative & support | 2014 |
| Precision Design and Development Limited | Professional & scientific | 2026 |
| Precision NDT Solutions Ltd | Professional & scientific | 2026 |
| Precision Nutritional Solutions Ltd | Professional & scientific | 2026 |
| Precision PAY Limited | Professional & scientific | 2025 |
| Precision Pc’S Ltd | Wholesale & retail | 2023 |
| Precision Performance Parts Ltd | Wholesale & retail | 2025 |
| Precision Yachting Limited | Manufacturing | 2021 |
| Preen & Pristine Service Ltd | Administrative & support | 2025 |
| Preen Nails and Beauty Ltd | Other services | 2023 |