| Peter Pennington (Worksop) Limited | Wholesale & retail | 1955 |
| Phase Architecture Ltd | Professional & scientific | 2020 |
| PHE Decorating Limited | Construction | 2018 |
| Phorex Limited | Financial services | 2016 |
| PIB (Group Services) Limited | Financial services | 2016 |
| PIB (Legacy EB) Limited | Financial services | 2016 |
| PIB Employee Benefits Limited | Financial services | 1986 |
| PIB Group Benelux (UK) Limited | Financial services | 2021 |
| PIB Group CEE (UK) Limited | Financial services | 2009 |
| PIB Group Europe (UK) Limited | Financial services | 2011 |
| PIB Group Germany (UK) Limited | Financial services | 2021 |
| PIB Group Limited | Financial services | 2015 |
| PIB Group Spain (UK) Limited | Financial services | 2021 |
| PIB Risk Management Limited | Professional & scientific | 2010 |
| PIB Risk Services Limited | Financial services | 1992 |
| Piers Darlow Recruitment Services Ltd | Administrative & support | 2025 |
| Pilgrims and Prophets Christian Heritage Limited | Administrative & support | 2014 |
| Pimsimple Limited | Information & communication | 2019 |
| Pineapple Telecoms Ltd | Information & communication | 2020 |
| Pink Pixie Parties Ltd | Arts & recreation | 2014 |
| Pinkbird Properties Ltd | Real estate | 2024 |
| Pinnacle Construction Ltd | Construction | 2026 |
| Pinnacle Transport Limited | Transport & logistics | 2023 |
| Piperun Plumbing Limited | Other services | 2011 |
| PIT Aggregates Ltd | Mining & quarrying | 2025 |
| Pizza Right Ltd | Hospitality | 2026 |
| Plant Shift Limited | Transport & logistics | 2022 |
| Platinum Development Holdings Limited | Real estate | 2018 |
| Platinum Renewables Limited | Construction | 2015 |
| PLT Joinery & Construction Ltd | Construction | 2020 |
| Plum Tree Court Management Limited | Households | 2020 |
| PN Retail Ltd | Wholesale & retail | 2026 |
| Porter & Brown Emporium Limited | Other services | 2019 |
| Portland Place 1960 Limited | Extraterritorial | 2015 |
| Positive Graphic Holdings Limited | Extraterritorial | 2019 |
| Positive Graphic Installation Limited | Professional & scientific | 2009 |
| PPC Systems Limited | Administrative & support | 2021 |
| Prc.Etc Ltd | Wholesale & retail | 2026 |
| Premier Business Cost Savings Specialists Ltd | Professional & scientific | 2012 |
| Premier Development Academy Ltd | Education | 2024 |
| Presley Management Limited | Construction | 2011 |
| Press Chem UK Limited | Manufacturing | 2009 |
| Pressley's Prints Limited | Wholesale & retail | 2023 |
| Pressure Engineering International Limited | Manufacturing | 2004 |
| Prestige Heating and Plumbing (Retford) Limited | Construction | 2024 |
| Prestige Home Investors Ltd | Real estate | 2020 |
| Prestige Nursecall Ltd | Manufacturing | 2024 |
| Prevent Care Ltd | Administrative & support | 2026 |
| Pride Landscape and Design Retford Ltd | Administrative & support | 2026 |
| Primary Literacy Consultancy Limited | Education | 2012 |
| PRIME8 Education Ltd | Education | 2018 |
| Pritchard Engineering and Operations Ltd | Professional & scientific | 2024 |
| Pritchard’S Property Limited | Households | 2019 |
| Private Reflection Therapy Ltd | Health & social care | 2023 |
| Pro-Ac Security Services Ltd | Administrative & support | 2016 |
| Professional Training & Consulting Ltd | Professional & scientific | 2026 |
| Profidrum BV Limited | Manufacturing | 2020 |
| Progenai Ltd | Information & communication | 2026 |
| Project Language Ltd | Information & communication | 2022 |
| Project Workshop Limited | Professional & scientific | 2024 |
| Promedico Ltd | Health & social care | 2016 |
| Proof Climate Control Ltd | Construction | 2025 |
| Proper Dapper Limited | Other services | 2016 |
| Property Diamonds Ltd | Real estate | 2019 |
| Protime Clocks Ltd. | Real estate | 1999 |
| PRY Synergies Ltd | Information & communication | 2020 |
| Ps-Bats Limited | Professional & scientific | 2019 |
| PT Gadgets and Vape Ltd | Wholesale & retail | 2024 |
| Pull Enterprises Ltd | Information & communication | 2025 |
| Pump Bar Limited | Manufacturing | 2025 |
| Puraflow Renewables Ltd | Construction | 2022 |
| Pure Homes Solar Limited | Construction | 2026 |
| Pure Living Interiors Ltd | Wholesale & retail | 2006 |
| Pure Risks Limited | Financial services | 2012 |
| Purple Post Properties Ltd | Real estate | 2020 |
| PXH Limited | Information & communication | 2005 |
| Pyramid Programming Ltd | Information & communication | 2013 |
| Q Underwriting Services Limited | Financial services | 2014 |
| Quality Design & Manufacturing Services Limited | Professional & scientific | 2021 |
| Quidne IT Ltd | Information & communication | 2008 |
| Quilter Estates Limited | Real estate | 2014 |
| Quinplan Ltd | Financial services | 2025 |
| R & J Lawrence Plant Hire Limited | Administrative & support | 2026 |
| R & L Management Consultancy Ltd | Information & communication | 2014 |
| R & R Property and Investment Ltd | Real estate | 2021 |
| R & S Properties Retford Limited | Real estate | 2016 |
| R a Insurance Brokers Limited | Financial services | 1996 |
| R and a Events Limited | Administrative & support | 2025 |
| R G Farm Services Ltd | Wholesale & retail | 2023 |
| R Harrison Windows and Construction Limited | Construction | 2024 |
| R J Howard Farming Limited | Agriculture & fishing | 2014 |
| R M MEZ Limited | Manufacturing | 2017 |
| R T Coaching Limited | Arts & recreation | 2021 |
| R&R Medicus Limited | Health & social care | 2019 |
| R. Clews Joinery & Carpentry Limited | Construction | 2009 |
| RAB 100 Limited | Manufacturing | 1895 |
| Rabbit Delivery Ltd | Transport & logistics | 2025 |
| Racecourse Hospitality Limited | Arts & recreation | 2005 |
| Raedan Engineering Ltd | Mining & quarrying | 2011 |
| Rahf Consulting Limited | Administrative & support | 2025 |