| OTA Distributions Ltd | Wholesale & retail | 2026 |
| Ouija Piercings Limited | Health & social care | 2018 |
| Outdoor Freedom Limited | Administrative & support | 2020 |
| Outwoods Property Developments Ltd | Real estate | 2026 |
| P L Varney Limited | Wholesale & retail | 2002 |
| P&F Properties Ltd | Real estate | 2020 |
| P. L. S Media Ltd | Information & communication | 2012 |
| P.E. 3 Limited | Administrative & support | 2000 |
| P.R. Sykes Ltd | Construction | 2004 |
| P3H Limited | Financial services | 2025 |
| Panel Match UK Limited | Wholesale & retail | 2009 |
| Pappas Belper Ltd | Hospitality | 2019 |
| PAR Contracting Limited | Professional & scientific | 2026 |
| Parallax Systems Limited | Information & communication | 2011 |
| Parallel North 53 Ltd | Information & communication | 2026 |
| Paramount Property Portfolio Limited | Real estate | 2017 |
| Paramount Sports Management Limited | Arts & recreation | 2006 |
| Parcelport Limited | Transport & logistics | 2013 |
| Park House (Belper) Management Company Limited | Households | 1995 |
| Park Safe (Systems) Limited | Administrative & support | 1996 |
| Parkes Derby Limited | Real estate | 1989 |
| Parkside Engineering & Construction Ltd | Professional & scientific | 2018 |
| Parkside Properties (Derbyshire) Limited | Real estate | 2020 |
| Part Training UK Ltd | Education | 2013 |
| Patay Bucks Castings Limited | Manufacturing | 1975 |
| Patay Holdings Limited | Professional & scientific | 1997 |
| Patinas Consulting Limited | Professional & scientific | 2026 |
| Patterson Consultancy Limited | Professional & scientific | 2013 |
| Paul J Moran Ltd | Construction | 2013 |
| Paul Mable Home Improvements Limited | Construction | 2015 |
| Paused Ltd | Wholesale & retail | 2023 |
| Pave Tech Midlands Ltd | Construction | 2015 |
| Pcbr Developments Limited | Construction | 2005 |
| PDS (Derbyshire) Limited | Construction | 2012 |
| Peak Analysis Limited | Professional & scientific | 2025 |
| Peak District SEO Ltd | Information & communication | 2022 |
| Peak Engineering Solutions Limited | Professional & scientific | 2014 |
| Peak Larder Limited | Wholesale & retail | 2026 |
| Peak Standard Properties Limited | Real estate | 2016 |
| Peak Star Services Ltd | Administrative & support | 2025 |
| Peak Traffic Management Limited | Construction | 2025 |
| Peaks and Dales Medical Limited | Wholesale & retail | 2000 |
| Peaks With the Pups Ltd | Hospitality | 2021 |
| Peara Ltd | Hospitality | 2016 |
| Peartree Property Ltd | Real estate | 2015 |
| Pegg Electrical (Midlands) Ltd | Construction | 2022 |
| PEGIT4460 Limited | Extraterritorial | 2013 |
| Pelican School of Motoring Ltd | Education | 2024 |
| Penlan Partners Limited | Professional & scientific | 2013 |
| Pentagon Properties (Derby) Limited | Real estate | 2024 |
| Perfect Balance Clinic Limited | Health & social care | 2009 |
| Perspicacity Analysis Services Ltd | Information & communication | 2016 |
| Peter KAY Consultants Ltd | Construction | 2013 |
| Peveril Decorators Ltd. | Construction | 1981 |
| Peveril Homes Limited | Construction | 1985 |
| Peveril Interiors Limited | Construction | 1990 |
| Peveril Securities (Dalton Park Retail) Limited | Construction | 2010 |
| Peveril Securities (KSR) Edinburgh Ltd. | Construction | 2015 |
| Peveril Securities Long Lane Limited | Construction | 2014 |
| Peveril Securities Yeovil Limited | Construction | 2013 |
| PH9 Limited | Information & communication | 2004 |
| Pharma Investment Ltd | Real estate | 2024 |
| Phoenix Candle Company Limited | Manufacturing | 2020 |
| Phoenix Developments (Derbyshire) Limited | Extraterritorial | 2018 |
| Pick Holdings Limited | Real estate | 2015 |
| Pickworth & Co Ltd | Financial services | 2011 |
| Picnic Bidco Limited | Financial services | 2018 |
| Picnic Finco Limited | Financial services | 2018 |
| Picnic Midco Limited | Financial services | 2018 |
| Picnic Topco Limited | Financial services | 2018 |
| Pilgrim Liverpool Limited | Hospitality | 2023 |
| Pilgrim London Limited | Hospitality | 2017 |
| Pinchoms Services Limited | Professional & scientific | 2017 |
| Pingle Plumbing & Heating Ltd | Construction | 2026 |
| Pintu+ Limited | Real estate | 2019 |
| Pipeline Surveys Ltd | Water & waste | 2024 |
| Pittsbull Investment Holdings Limited | Real estate | 2017 |
| Pixelgo Ltd | Manufacturing | 2021 |
| Pizza Pasta London Ltd | Hospitality | 2023 |
| PJ Procurement Associates Ltd | Professional & scientific | 2021 |
| PJB Building Projects Limited | Construction | 2019 |
| PJL Property Investments Ltd | Real estate | 2021 |
| Planrealm Limited | Households | 1989 |
| Planright (UK) Limited | Professional & scientific | 2011 |
| Plantagenet Properties | Real estate | 1983 |
| Platinum Vehicle Placement Ltd | Wholesale & retail | 2022 |
| Platinumz Property Maintenance Ltd | Construction | 2026 |
| Playworks Games Limited | Information & communication | 2023 |
| Pleasley Bulk Haulage Ltd | Transport & logistics | 2021 |
| Plexline Services Limited | Financial services | 1997 |
| PLP Engineering Limited | Professional & scientific | 2022 |
| Plust Property Rental Ltd | Real estate | 2021 |
| Pocket Compliance Ltd | Information & communication | 2025 |
| Poised Joint Management Limited | Professional & scientific | 2007 |
| Polar Seafoods (UK) Limited | Hospitality | 1996 |
| Pollro Limited | Other services | 2008 |
| Poppy Meadow Properties Ltd | Real estate | 2025 |
| Portland Electrical (UK) Limited | Construction | 2013 |
| Portogram Radio Electrical Industries Limited | Manufacturing | 1944 |
| Positive Horizons Learning Disability Services Ltd | Health & social care | 2020 |