| Portlands (Creswell) Management Company Limited | Households | 2018 |
| Portsfield Ltd | Information & communication | 2026 |
| Posh Car Valet Ltd | Other services | 2025 |
| Posh Paws (Grooming and Pet Supplies) Ltd | Other services | 2021 |
| Posh Polly Prints Limited | Manufacturing | 2015 |
| Positive 4 Young People Community Interest Company | Professional & scientific | 2012 |
| Positive Electrics Trading Ltd | Construction | 2016 |
| Positive Property & Lets Ltd | Real estate | 2025 |
| Positive Property Renovations LLP | | 2022 |
| Positive Traction Ltd | Professional & scientific | 2021 |
| Potter Brick Homes Ltd | Real estate | 2026 |
| Potts Construction Holdings Ltd | Financial services | 2024 |
| Potusprmd Ltd | Manufacturing | 2019 |
| Power System Services Limited | Other services | 1994 |
| Powerhouse Automotive (UK) Ltd | Wholesale & retail | 2013 |
| Powerhouse-Uk Ltd | Wholesale & retail | 2013 |
| Powerking Limited | Extraterritorial | 2014 |
| Poweroak Energy UK Co., Ltd | Manufacturing | 2021 |
| Pp&E Limited | Information & communication | 2008 |
| PPE Work Solutions Ltd | Wholesale & retail | 2011 |
| PPR Products Ltd | Wholesale & retail | 2017 |
| PPS Services Limited | Information & communication | 2022 |
| Prafon Ltd | Real estate | 2023 |
| Prasath Ltd | Wholesale & retail | 2014 |
| Pratley SOT Limited | Wholesale & retail | 1998 |
| PRB Autoworx Limited | Wholesale & retail | 2016 |
| PRB Farming Limited | Agriculture & fishing | 2026 |
| Precis (1989) Limited | Professional & scientific | 2001 |
| Precis (1991) Limited | Professional & scientific | 2001 |
| Precision Products (UK) Limited | Manufacturing | 1994 |
| Prekey Ltd | Information & communication | 2017 |
| Premier Concrete Services Ltd | Construction | 1998 |
| Premier Electronic Services Limited | Manufacturing | 1998 |
| Premier GAS Services (Matlock) Ltd | Other services | 2024 |
| Premier LPG Limited | Wholesale & retail | 2000 |
| Premier Nursing Homes Limited | Health & social care | 1989 |
| Premier Plumbing and Heating Systems Limited | Construction | 2018 |
| Premier Plumbing Solutions Ltd | Construction | 2023 |
| Premier Precision Engineering (Chesterfield) Limited | Manufacturing | 2013 |
| Premier Products (Notts) Ltd | Wholesale & retail | 2009 |
| Premier Property Solutions and Services Ltd | Real estate | 2026 |
| Premier Savings Marketing Limited | Professional & scientific | 2005 |
| Premix Haulage Limited | Transport & logistics | 2025 |
| Press Manor Fishing Lakes Ltd | Agriculture & fishing | 2020 |
| Press on Regardless Limited | Wholesale & retail | 2003 |
| Pressdale Group Limited | Other services | 1998 |
| Prestige Pest Control Ltd | Administrative & support | 2026 |
| Prestige World Destination Marketing Limited | Administrative & support | 2011 |
| Presto Express Ltd | Information & communication | 2022 |
| PRH Wholesale Limited | Wholesale & retail | 2015 |
| Price and Linsey Property Consultants Ltd | Real estate | 2023 |
| Pride & Joy Clothing Limited | Manufacturing | 2001 |
| Pride (Derbyshire) Limited | Construction | 2015 |
| Pride (Derbyshire) Properties Limited | Real estate | 2023 |
| Prima Living Limited | Real estate | 2016 |
| Primary Contact Physiotherapy Ltd | Real estate | 2025 |
| Primary Send Support Ltd | Education | 2018 |
| Prime Accounts Limited | Professional & scientific | 2006 |
| Prime Advisory Group Limited | Professional & scientific | 2026 |
| Prime Business Services Limited | Professional & scientific | 2018 |
| Prime Central Developments Limited | Construction | 2015 |
| Prime Property Refurb Ltd | Construction | 2025 |
| Prime Property Refurb Solutions Ltd | Construction | 2026 |
| Prime Stand Estates Limited | Real estate | 2023 |
| Prime Stand Limited | Real estate | 2020 |
| Prime Switchgear Ltd | Manufacturing | 2021 |
| Prime Veterinary Practice Limited | Professional & scientific | 2016 |
| Prime Wire Limited | Manufacturing | 1986 |
| Primeland Estates Limited | Real estate | 1988 |
| Prinah Healthcare Ltd | Health & social care | 2023 |
| Prince Family Law Limited | Professional & scientific | 2011 |
| Princedale Care Ltd | Health & social care | 2019 |
| Principal Standard Limited | Extraterritorial | 2000 |
| Print & Buying Services Limited | Wholesale & retail | 2001 |
| Print Depot Group Ltd | Manufacturing | 2014 |
| Print Engine UK Limited | Manufacturing | 2008 |
| Printrush Limited | Manufacturing | 2026 |
| Printyourselfie.Co.Uk Ltd | Manufacturing | 2012 |
| Priority Plumbing & Heating Ltd | Construction | 2024 |
| Prism Procurement and Business Solutions Ltd | Administrative & support | 2017 |
| PRN Retail Ltd | Wholesale & retail | 2022 |
| Pro Drive Logistic Services Limited | Transport & logistics | 2022 |
| Pro HAT Ltd | Construction | 2021 |
| Pro Horizon Ltd | Information & communication | 2016 |
| Pro Installations Chesterfield Limited | Construction | 2019 |
| Pro Part Source Ltd | Wholesale & retail | 2026 |
| Pro Pave (Patio & Driveway Specialists) Limited | Construction | 2003 |
| Pro Plumb Chesterfield Ltd | Construction | 2024 |
| Pro Roofing & Building Ltd | Construction | 2026 |
| Pro Smart Systems Ltd | Wholesale & retail | 2013 |
| Pro Volt (Chesterfield) Limited | Construction | 2022 |
| Pro-Rob Ltd | Manufacturing | 2013 |
| Pro-Skills Training Ltd | Professional & scientific | 2006 |
| Proact IT (UK) Limited | Information & communication | 2011 |
| Proact IT UK Limited | Information & communication | 2000 |
| Processing, Excavation and Construction Equipment Hire (UK) Limited | Mining & quarrying | 2017 |
| Procheck Electrical Ltd. | Construction | 2012 |
| Proclad Induction Bending Limited | Manufacturing | 1985 |
| Proctor Car Sales Limited | Wholesale & retail | 2003 |
| Proctor Group Limited | Financial services | 2020 |