| Posh Decor Limited | Construction | 2022 |
| Poshdogz Limited | Agriculture & fishing | 2015 |
| Positive Recruitment Consultants Ltd | Administrative & support | 2012 |
| Positively Blooming Ltd | Education | 2020 |
| Posmena Services Ltd | Information & communication | 2023 |
| Postament Property Limited | Real estate | 2024 |
| Postmans Walk Round Ltd | Hospitality | 2018 |
| Potential OT Limited | Health & social care | 2015 |
| Pottergate Properties Limited | Real estate | 2019 |
| Power Generation & Distribution Limited | Professional & scientific | 2018 |
| Powered by NRG C.I.C. | Hospitality | 2016 |
| PP Motor Group Limited | Wholesale & retail | 2017 |
| PPS4ULINCS Ltd | Households | 2026 |
| Pragmatics 3D Limited | Professional & scientific | 2022 |
| PRE Construct Geophysics Limited | Administrative & support | 2010 |
| Prebble Associates Limited | Health & social care | 2003 |
| Precious Retail Ltd | Administrative & support | 2007 |
| Precision Boilers Limited | Extraterritorial | 2025 |
| Precision Construction Lincs Limited | Extraterritorial | 2025 |
| Precision Contour Clinic Limited | Other services | 2017 |
| Precision Group Services Limited | Construction | 2021 |
| Precision Renewables Limited | Extraterritorial | 2026 |
| Precizion Ltd | Education | 2020 |
| Predicated Limited | Other services | 2016 |
| Predolac Surgical Ltd | Health & social care | 2015 |
| Premavani Medical Limited | Health & social care | 2010 |
| Premier Access Scaffolding Ltd | Construction | 2007 |
| Premier Building Services (Lincoln) Ltd | Construction | 2009 |
| Premier Care Direct Limited | Health & social care | 2010 |
| Premier Golf Ltd | Construction | 2025 |
| Premier Machining Limited | Manufacturing | 2005 |
| Premier Property Services (Lincs) Limited | Construction | 2013 |
| Premier Turfing Limited | Administrative & support | 2010 |
| Premium Trans Ltd | Transport & logistics | 2014 |
| Prendale Holdings UK Ltd | Financial services | 2022 |
| Preptec Equipment Services Limited | Wholesale & retail | 2013 |
| Presious Healthcare Ltd | Health & social care | 2015 |
| Press Proven Limited | Information & communication | 2025 |
| Pressurewasherpartsuk Ltd | Wholesale & retail | 2023 |
| Prestige Body and Paint Lincoln Ltd | Wholesale & retail | 2022 |
| Prestige Global Ltd | Transport & logistics | 2025 |
| Prestige Painter Media Ltd | Professional & scientific | 2025 |
| Prestige Paving & Driveways Ltd | Construction | 2024 |
| Prestige Plant Solutions Ltd | Manufacturing | 2025 |
| Prestige Tiling (Chelmsford) Ltd | Construction | 2025 |
| Prestige Trans Europe Limited | Transport & logistics | 2025 |
| Preston Pro UK Ltd | Manufacturing | 2012 |
| Prestwood Properties Limited | Real estate | 2020 |
| Pretex Plus Ltd | Manufacturing | 2025 |
| Pretty Little Clothing Limited | Wholesale & retail | 2010 |
| PRG Utilities Limited | Construction | 2005 |
| Price & Fenty Properties Ltd | Real estate | 2025 |
| Price IT Right Limited | Wholesale & retail | 2024 |
| Pride Homes (Lincoln) Limited | Construction | 2005 |
| Pridea (2010) Limited | Real estate | 2010 |
| Pridea Gainsborough Ltd | Real estate | 2017 |
| Prim & Properties Limited | Real estate | 2022 |
| Primari Properties Limited | Real estate | 2018 |
| Prime Acquisitions Ltd | Hospitality | 2019 |
| Prime Brickwork and Construction Ltd | Construction | 2024 |
| Prime Electrical (Yorkshire) Ltd | Construction | 2025 |
| Prime Face Limited | Wholesale & retail | 2026 |
| Prime PAD Property Ltd | Real estate | 2020 |
| Prime PAD Stays Ltd | Real estate | 2023 |
| Prime Plumbing and GAS Services Limited | Construction | 2021 |
| Prime Stays Yorkshire Ltd | Real estate | 2023 |
| Prime Unique Ltd | Wholesale & retail | 2026 |
| Primebag Ltd | Wholesale & retail | 2026 |
| Primecad Services Ltd | Professional & scientific | 2021 |
| Primecart Online Limited | Wholesale & retail | 2025 |
| Primetake Limited | Manufacturing | 2010 |
| Primor Holdings Ltd | Financial services | 2019 |
| Prinav Ltd | Hospitality | 2025 |
| Princess Royal Close Management Company Limited | Other services | 1994 |
| Printalogo Ltd | Manufacturing | 2018 |
| Prints in the Garden Ltd | Wholesale & retail | 2019 |
| Printz (UK) Limited | Wholesale & retail | 2009 |
| Priora Consulting Limited | Professional & scientific | 2018 |
| Priortiseproperties Ltd | Real estate | 2025 |
| Priory House (Lincoln) Management Company Limited | Real estate | 2007 |
| Priory Properties (Lincs) Limited | Real estate | 2025 |
| Prishe Health Care Ltd | Health & social care | 2016 |
| Privateer Engineering Limited | Manufacturing | 2017 |
| Pro Logs (Lincoln) Limited | Wholesale & retail | 2022 |
| Pro-Forestry Limited | Agriculture & fishing | 2016 |
| Pro-Global Properties Ltd | Real estate | 2022 |
| Proactive Resource (Marketing Communicators) Limited | Professional & scientific | 2010 |
| Proampac Lincoln Limited | Manufacturing | 2005 |
| Probate & Trustee Services Ltd | Professional & scientific | 2004 |
| Procure Direct Limited | Manufacturing | 2005 |
| Product Pioneers Ltd | Wholesale & retail | 2026 |
| Prof Chew Medical Services Limited | Health & social care | 2019 |
| Professional Aviation Services Limited | Transport & logistics | 2012 |
| Professional Inventory Management Services Ltd | Hospitality | 2016 |
| Professional Preparation Contractors U.K. Limited | Manufacturing | 1991 |
| Profile Q Limited | Information & communication | 1991 |
| Proglide Lincoln Limited | Construction | 2018 |
| Progress Point Ltd | Professional & scientific | 2017 |
| Prohibition Lounge Ltd | Hospitality | 2018 |
| Project 2811 Limited | Real estate | 2026 |