| OMG Jagcats Ltd | Wholesale & retail | 2025 |
| Omnius Computing Limited | Information & communication | 2010 |
| One Shawarma Ltd | Hospitality | 2025 |
| Oneserv Ltd | Construction | 2020 |
| Opsystech Ltd | Professional & scientific | 2025 |
| Optimise My Business Online Limited | Information & communication | 2011 |
| OR Hire Ltd | Administrative & support | 2025 |
| Orca Heights Limited | Real estate | 2023 |
| Oscar Nancy Ltd | Hospitality | 2024 |
| Osprey Clark Developments Limited | Real estate | 2018 |
| Oughtred and Harrison Holdings Limited | Manufacturing | 2002 |
| Ouse Apartments Limited | Real estate | 2023 |
| Ouse Pilots Limited | Transport & logistics | 1993 |
| OUT of Office Hens Ltd | Wholesale & retail | 2022 |
| Outgang Agriculture Limited | Real estate | 2026 |
| Ovara Limited | Agriculture & fishing | 2011 |
| Overlanders Limited | Wholesale & retail | 2025 |
| Owain Squad Limited | Professional & scientific | 2026 |
| Oxley's Financial Solutions Limited | Professional & scientific | 2024 |
| OZ 28 Limited | Transport & logistics | 2023 |
| P & D Transport (Goole) Limited | Transport & logistics | 1989 |
| P a Property Developments Limited | Construction | 2016 |
| P a Woffenden & Co Limited | Professional & scientific | 2008 |
| P V H Holdings Limited | Financial services | 1990 |
| P. I. Bioscience Limited | Professional & scientific | 2003 |
| P.A.A.D Properties Ltd | Real estate | 2017 |
| Pace Technology UK Limited | Wholesale & retail | 2006 |
| Pach IND Ltd | Manufacturing | 2001 |
| Paddy's Bar Ltd | Hospitality | 2025 |
| Padelx Sports Club Limited | Arts & recreation | 2026 |
| Pako Transport Solutions Ltd | Transport & logistics | 2017 |
| Palada Ltd | Transport & logistics | 2016 |
| Palinca Ltd | Transport & logistics | 2024 |
| Papaw Bubble Tea Ltd | Wholesale & retail | 2025 |
| Paradise Place (Goole) Management Company Limited | Real estate | 2008 |
| Parametric Limited | Professional & scientific | 2019 |
| Pares Ltd | Construction | 2020 |
| Parisi Capital Ltd | Financial services | 2019 |
| Park ROW Properties (Sherburn) Limited | Real estate | 2021 |
| Parm Group Ltd | Agriculture & fishing | 2020 |
| Parrhill Developments Ltd | Construction | 2022 |
| Past Chicken Limited | Hospitality | 2025 |
| Paul Cooper Transport Limited | Wholesale & retail | 1976 |
| Paul Senior Contract Flooring Limited | Construction | 2005 |
| Paul's Carpets Goole Limited | Wholesale & retail | 2011 |
| Paula Boyle Coaching and Facilitation Ltd | Education | 2011 |
| Paveway Surfacing Ltd | Hospitality | 2024 |
| Pawsitively Perfect Dog Grooming Ltd | Wholesale & retail | 2025 |
| Pawsome Competitions Limited | Arts & recreation | 2024 |
| PB Cladding & Firewall Services Ltd | Construction | 2018 |
| PC Goole Ltd | Hospitality | 2017 |
| PDE Electromech (UK) Limited | Construction | 2004 |
| PDL Bramley Limited | Real estate | 2019 |
| Pe-Pro Coaching Ltd | Education | 2020 |
| Peak Security Services Ltd | Administrative & support | 2023 |
| Peaks Group Limited | Manufacturing | 2021 |
| Pegasus Healthcare Training & Consultancy Ltd | Education | 2024 |
| Perchard Property Ltd | Real estate | 2025 |
| Perfect Logistics Limited | Transport & logistics | 1996 |
| Perished Soul Ltd | Arts & recreation | 2021 |
| Perito Building Surveying Ltd | Professional & scientific | 2024 |
| Perry's Contract Hire Ltd | Transport & logistics | 2020 |
| Perry's PUB Co Ltd | Hospitality | 2025 |
| Person Central Ltd | Health & social care | 2026 |
| Peter Electric Ltd | Construction | 2019 |
| Phoenix Boutique Apartments Ltd | Hospitality | 2022 |
| Phoenix Executive Apart-Hotel Limited | Hospitality | 2022 |
| Phoenix Financial Planning Limited | Financial services | 1999 |
| Phoenix Mechanical Engineering Ltd | Manufacturing | 2018 |
| Pickmeuptheatre.Com Ltd | Arts & recreation | 2015 |
| Pigtech Ltd | Wholesale & retail | 2025 |
| Pimto Property Ltd | Real estate | 2026 |
| Pink Ladies Leisure Studios Limited | Arts & recreation | 2008 |
| Pink Stores Ltd | Transport & logistics | 2022 |
| Pinnacle Contract Flooring Ltd | Construction | 2012 |
| Pizza X Howden Limited | Hospitality | 2018 |
| PJS Joinery & Shop Fitting Ltd | Construction | 2017 |
| Places to Stay UK Ltd | Real estate | 2015 |
| Plant & Asset Relocation Consultancy Services Ltd | Professional & scientific | 2015 |
| Plant Impact Limited | Professional & scientific | 2005 |
| Plant Raisers 2005 Limited | Agriculture & fishing | 1999 |
| Plant Raisers Limited | Agriculture & fishing | 2004 |
| Platinum Leisure Parks Limited | Hospitality | 2016 |
| Platinum Parks Holding Company Limited | Financial services | 2024 |
| Play & Leisure Business Services Ltd | Professional & scientific | 2020 |
| PM Smart Trans Ltd | Transport & logistics | 2026 |
| PM Trade Group Ltd | Wholesale & retail | 2025 |
| Point Northern Homes Limited | Real estate | 2003 |
| Pollington Self Storage Limited | Real estate | 2024 |
| Poltergeist Media Network Limited | Information & communication | 2026 |
| Polus Ltd | Transport & logistics | 2019 |
| Poplars Padel Ltd | Arts & recreation | 2025 |
| Port Invest Limited | Other services | 2018 |
| Power & Light Solutions Limited | Construction | 2003 |
| PPD IT Ltd | Information & communication | 2019 |
| PR Property Limited | Real estate | 2017 |
| Practical VAT Solutions Limited | Professional & scientific | 2011 |
| Precise Climate Group Limited | Construction | 2026 |
| Precision Dent Removal Limited | Wholesale & retail | 2010 |
| Premier League Leisure Ltd | Arts & recreation | 2013 |