| PAT Mcdonald Groundworks Ltd | Construction | 2001 |
| Patchnote Studios Ltd | Information & communication | 2025 |
| Paterson Homes (ST. Neots) Limited | Construction | 2007 |
| Pathway Padel Leagues Limited | Wholesale & retail | 2025 |
| Patprinz Ltd | Other services | 2025 |
| Patricia Morwenna Christopher Limited | Extraterritorial | 2024 |
| Patricia Morwenna Williams Limited | Extraterritorial | 2024 |
| Patrick Dean Limited | Agriculture & fishing | 1952 |
| Patrons Nest Ltd | Information & communication | 2023 |
| Paul Betley Limited | Construction | 2004 |
| Paul Boutle Financial Services Ltd | Financial services | 2018 |
| Paul Colta Ltd | Transport & logistics | 2021 |
| Paul Custom Goods Ltd | Manufacturing | 2025 |
| Paul David Transport Ltd | Transport & logistics | 2023 |
| Paul Dolan Ltd. | Construction | 1982 |
| Paul Dunham Window Cleaning Services Limited | Administrative & support | 2012 |
| Paul F Tutin Limited | Professional & scientific | 2024 |
| Paul Gibbett Limited | Information & communication | 2017 |
| Paul Giddens Limited | Construction | 2018 |
| Paul GOY Homes Limited | Construction | 2013 |
| Paul Isherwood Ltd | Administrative & support | 2016 |
| Paul Jeffery Limited | Wholesale & retail | 1999 |
| Paul Jonathan Slight Limited | Extraterritorial | 2024 |
| Paul Judge Plastering & Drylining Limited | Construction | 2019 |
| Paul Kirk Forming Limited | Professional & scientific | 2015 |
| Paul Logan Coaching Academy Limited | Arts & recreation | 2006 |
| Paul Lynn & Sons Ltd | Construction | 2011 |
| Paul Mulvihill Limited | Professional & scientific | 2018 |
| Paul O'Hara Consultancy Ltd | Other services | 2026 |
| Paul Petty Woodworking Ltd | Manufacturing | 2023 |
| Paul Quinn Photography Ltd | Professional & scientific | 2025 |
| Paul Tutin Top Co Limited | Professional & scientific | 2011 |
| Paul Whisker Joinery & Construction Ltd | Construction | 2014 |
| Paul Williams Orthopaedics Ltd | Health & social care | 2009 |
| Paul Williams Studio Limited | Information & communication | 2003 |
| Paul-Martin Finch | Extraterritorial | 2024 |
| Paul-Stafford.Com Limited | Professional & scientific | 2013 |
| Paula's Property Lincoln Ltd | Real estate | 2022 |
| Paulat Limited | Health & social care | 2020 |
| Pave Your Home Limited | Construction | 2013 |
| Pavel & Pavel Ltd | Transport & logistics | 2017 |
| Pavillion Properties (East Yorkshire) Limited | Real estate | 2015 |
| Pavo Elaborado Engineering Ltd | Manufacturing | 2019 |
| Pawel Gruca Ltd | | 2012 |
| Pawfectly Polished Ltd | Other services | 2026 |
| Paws to Groom Limited | Other services | 2013 |
| PAX Transport Services Limited | Transport & logistics | 1996 |
| Paynes Transport Ltd | Transport & logistics | 2021 |
| PB Offshore Services Ltd | Professional & scientific | 2017 |
| PB Property Maintenance Lincoln Ltd | Construction | 2025 |
| PB Psychiatric Consulting Ltd | Health & social care | 2017 |
| PB Tech Ltd | Manufacturing | 2023 |
| Pbrs Holdings Limited | Financial services | 2023 |
| PBS (LN) Ltd | Construction | 2024 |
| PBS Groundworks Limited | Construction | 2005 |
| PC Comfidal Ltd | Wholesale & retail | 2026 |
| PC Haulage Ltd | Transport & logistics | 2017 |
| PC Safety Limited | Professional & scientific | 2023 |
| PC Turbine Controls Limited | Professional & scientific | 2012 |
| PCA Engineers Limited | Professional & scientific | 1997 |
| Pcas Archaeology Limited | Administrative & support | 2009 |
| Pcasp Limited | Hospitality | 2019 |
| PCC Consultants Limited | Professional & scientific | 2011 |
| PCH Electrical Ltd | Construction | 2020 |
| PCN Agriculture Group Limited | Financial services | 2023 |
| PCN Property Limited | Real estate | 2013 |
| PD and Co Properties Ltd | Real estate | 2022 |
| PD Physio Ltd | Professional & scientific | 2026 |
| PDA Asset Management Limited | Professional & scientific | 2012 |
| Pdfs Fire and Safety Ltd | Professional & scientific | 2019 |
| PDL Timber and Steel Frame Construction Limited | Construction | 2004 |
| PDV Solutions Limited | Construction | 2023 |
| Peace & Harmony Care Solutions Limited | Administrative & support | 2019 |
| Peace Place People Community Interest Company | Wholesale & retail | 2026 |
| Peachy Events Services Limited | Professional & scientific | 2007 |
| Peachy Mortgages Limited | Financial services | 2022 |
| Peachy Technical Services Limited | Professional & scientific | 2021 |
| Peacock and BOW Ltd | Administrative & support | 2019 |
| Peacock and BOW Marquees Ltd | Administrative & support | 2025 |
| Peacock Marsh Ltd | Professional & scientific | 2023 |
| Peak and I Limited | Arts & recreation | 2023 |
| Peak Diesel Services (Lincoln) Ltd | Construction | 2008 |
| Peak Property Lincoln Limited | Real estate | 2017 |
| Pear Space Limited | Information & communication | 2026 |
| Pear Tree (Derby) Limited | Construction | 2023 |
| Pear Tree Lincoln Holdings Limited | Financial services | 2026 |
| Pear Tree Property & Maintenance Ltd | Real estate | 2025 |
| Pearl Energy Limited | Administrative & support | 2023 |
| Pearson Barker Plant Limited | Wholesale & retail | 2024 |
| Pearson Barker Reinstatement Ltd | Construction | 2021 |
| Pearson Barker Utilities Ltd | Construction | 2024 |
| PEC Rentals Limited | Administrative & support | 2003 |
| Pedal Electric Cycles Limited | Wholesale & retail | 2016 |
| Peer Bodla Ltd | Wholesale & retail | 2026 |
| PEG35! Limited | Information & communication | 2013 |
| Pegasas Ltd | Wholesale & retail | 2023 |
| Pegasus Welding Services Limited | Construction | 2009 |
| Pellcroft Engineering Limited | Manufacturing | 1987 |
| Pelorus Holdings | Financial services | 2024 |
| Pelotan Limited | Wholesale & retail | 2017 |