| P&Q Letting Ltd | Real estate | 2024 |
| P&W Developments Ltd | Real estate | 2016 |
| P.J.C. Developments (GY) Limited | Construction | 1999 |
| P.J.R. Property Limited | Real estate | 1999 |
| P1 Scaffolding Limited | Construction | 2026 |
| P3LM Ltd | Other services | 2017 |
| PA Survey and Engineering Ltd | Professional & scientific | 2020 |
| PAB Groundworks Ltd | Construction | 2018 |
| Packaging Machinery Services Limited | Manufacturing | 2024 |
| Packora Limited | Wholesale & retail | 2025 |
| Packw Ltd | Construction | 2026 |
| PAD Lettings Limited | Real estate | 2012 |
| Paddy's Pudd's Limited | Wholesale & retail | 2023 |
| PAH Interiors and Gifts Ltd | Wholesale & retail | 2025 |
| Paints 4 U.Com Limited | Wholesale & retail | 2003 |
| Paix Kleaning Services Limited | Administrative & support | 2026 |
| Pakistan Community Centre North East Lincolnshire Ltd | Other services | 2024 |
| Palace Developments (Lincolnshire) Limited | Real estate | 2002 |
| Palacio Estates Ltd | Real estate | 2019 |
| Palestone Holdings Unlimited | Financial services | 2017 |
| Palestone Limited | Public administration | 2009 |
| Palmer Engineering Group Ltd | Construction | 2025 |
| Palmer Project Management Limited | Professional & scientific | 2017 |
| Panacea Collaborative Limited | Health & social care | 2017 |
| Panacea Grimsby & Cleethorpes Ltd | Health & social care | 2023 |
| Panarama Agencies Limited | Wholesale & retail | 2010 |
| Panel & Paint Repair Service Limited | Manufacturing | 2002 |
| Panel FAB Holdings Ltd | Professional & scientific | 2015 |
| Panel FAB Limited | Construction | 2006 |
| Panel FAB Properties Ltd | Real estate | 2015 |
| Panel Therm Limited | Construction | 2025 |
| Panel Therm Solutions Limited | Construction | 2013 |
| Panelbond Holdings Limited | Financial services | 2024 |
| Panelbond Limited | Manufacturing | 2002 |
| Pantass Ltd | Wholesale & retail | 2024 |
| Panther Scaffolding Design Limited | Construction | 2011 |
| Panther Scaffolding Limited | Construction | 2011 |
| Papadom&Chutney Limited | Hospitality | 2023 |
| Paper Scissors Stone Print Management Limited | Manufacturing | 2006 |
| Paperweight Accounts Ltd | Professional & scientific | 2019 |
| PAR 3 at Humberston Management Company Limited | Real estate | 2015 |
| PAR Risk Consultants Limited | Professional & scientific | 2015 |
| Paragon Executive Travel Service Ltd. | Transport & logistics | 2008 |
| Parallel Engineering Limited | Construction | 2020 |
| PARCEL2PALLET Ltd | Transport & logistics | 2026 |
| Park Gates Management Company (Grimsby) Limited | Households | 2008 |
| Park Street Express Limited | Wholesale & retail | 2026 |
| Park Street Pets & Gardens Limited | Wholesale & retail | 2008 |
| Parker IT North East Ltd | Information & communication | 2010 |
| Parkers Multi Service Centre Limited | Administrative & support | 2002 |
| Parkside Discount Carpets Limited | Wholesale & retail | 2002 |
| Parkside Engineering Ltd | Professional & scientific | 2012 |
| Parlak Technical Services Limited | Construction | 2010 |
| Parrot Essentials Limited | Wholesale & retail | 2015 |
| Parttrack Ltd | Transport & logistics | 2019 |
| Party Time Grimsby Limited | Arts & recreation | 2017 |
| Parvenue Marketing Ltd | Information & communication | 2018 |
| Pasture Pet & Pond Supplies Ltd | Wholesale & retail | 2002 |
| Pasture Property Management Limited | Real estate | 2024 |
| Pastures Convenience Limited | Wholesale & retail | 2020 |
| Pastures Development Company Limited | Administrative & support | 2010 |
| Pastures Transport Limited | Transport & logistics | 2025 |
| PAT Access Limited | Construction | 2014 |
| Patron Workwear Ltd | Wholesale & retail | 2024 |
| Paul C Gibson Limited | Other services | 2010 |
| Paul Collins Builders Limited | Construction | 2011 |
| Paul David Property Limited | Real estate | 2024 |
| Paul Deaken Design Limited | Construction | 2011 |
| Paul Glover Building Limited | Construction | 2013 |
| Paul Glover Electrical Services Ltd | Construction | 2007 |
| Paul Jackson Philanthropy Consultancy Limited | Professional & scientific | 2026 |
| Paul Jamieson Transport Limited | Transport & logistics | 2017 |
| Paul Keenan Scaffolding Services Limited | Construction | 2026 |
| Paul Krogh Compex Solutions Ltd | Construction | 2024 |
| Paul Mawer Building Services Limited | Construction | 2010 |
| Paul Teanby Building & Developments Ltd | Construction | 2007 |
| Paul Teanby Properties Limited | Real estate | 2008 |
| Paul Wallis Building & Joinery Ltd | Construction | 2009 |
| Paul's Fish Limited | Wholesale & retail | 2005 |
| Paulc Logistics Solutions Limited | Transport & logistics | 2023 |
| Pavel Almajan Ltd | Transport & logistics | 2026 |
| Pavoft Limited | Construction | 2020 |
| PAW & Glory Ltd | Arts & recreation | 2020 |
| PAW Pantry Empawrium Ltd | Manufacturing | 2025 |
| Pawsome Rawsome Ltd | Manufacturing | 2020 |
| Pawson Mews Management Limited | Households | 2001 |
| PAY Eazy Limited | Transport & logistics | 2019 |
| Paynet NE Limited | Professional & scientific | 2009 |
| Payroll Hub Limited | Administrative & support | 2014 |
| PB Autodesign Ltd | Wholesale & retail | 2015 |
| PB Safety Consultants Limited | Administrative & support | 2024 |
| PBC Cleaning Services Ltd | Administrative & support | 2021 |
| PBH Property Services Limited | Real estate | 2017 |
| PC Auto Repairs Ltd | Manufacturing | 2015 |
| PCE Financial Ltd | Administrative & support | 2020 |
| PCH Engineering Consultants Limited | Professional & scientific | 2021 |
| PCJ Consultants Limited | Professional & scientific | 2010 |
| Pcmluk Ltd | Administrative & support | 2019 |
| PD Transformations Limited | Professional & scientific | 2011 |
| PDH Automotive Ltd | Wholesale & retail | 2017 |