| Pro Universal Limited | Wholesale & retail | 2011 |
| Pro Wheeler Cleaner (Yorkshire) Ltd | Administrative & support | 2025 |
| Pro Wheeler Cleaner Ltd | Administrative & support | 2021 |
| Pro-Doors (Northern) Limited | Construction | 2011 |
| Pro-Fin Outsourcing Ltd | Real estate | 2025 |
| Pro-Fit Fencing Turf & Landscapes Limited | Administrative & support | 2016 |
| Pro-Fit Hoardings Ltd | Administrative & support | 2012 |
| Pro-Fit Stretchtape Technology Limited | Manufacturing | 2005 |
| Pro-View Ltd | Other services | 2019 |
| Pro.Pharm for YOU Ltd | Health & social care | 2014 |
| PRO7 Car Sales Ltd | Wholesale & retail | 2026 |
| Proaxle Ltd | Transport & logistics | 2025 |
| Probio Energy PVT Limited | Water & waste | 2021 |
| Probitas Solicitors Limited | Professional & scientific | 2017 |
| Probuild Supplies (Bradford) Limited | Other services | 2025 |
| Process Design and Integration Limited | Extraterritorial | 2012 |
| Process Pump Solutions Limited | Manufacturing | 2016 |
| Procezzo Limited | Manufacturing | 2023 |
| Proclean Domestic Ltd | Wholesale & retail | 2023 |
| Proclean Property Services Ltd | Administrative & support | 2026 |
| Proctor Silo Cleaning Services Ltd | Administrative & support | 2018 |
| Procuretosave Ltd | Professional & scientific | 2025 |
| Prodefender Security Ltd | Arts & recreation | 2025 |
| Prodrain Solutions Ltd | Water & waste | 2024 |
| Product Revolution Ltd | Wholesale & retail | 2022 |
| Product Unleashed Ltd | Professional & scientific | 2021 |
| Products by Aspire Ltd | Wholesale & retail | 2024 |
| Proerpconsulting Academy Ltd | Information & communication | 2026 |
| Professional Colour Coating Ltd | Construction | 2024 |
| Professional Construction Limited | Construction | 2019 |
| Professional Industrial Hygiene Ltd | Administrative & support | 2023 |
| Profit Edge Limited | Transport & logistics | 2024 |
| Profit Optima Limited | Information & communication | 2026 |
| Profitology Limited | Professional & scientific | 2018 |
| Progeco Ltd | Information & communication | 2024 |
| Progresplus Ltd | Transport & logistics | 2024 |
| Progress 21 Ltd | Health & social care | 2021 |
| Progress Education AP Ltd | Education | 2025 |
| Progress Makers Limited | Public administration | 2024 |
| Progressive International Holding Co (UK) Ltd | Hospitality | 2024 |
| Progressive Law Limited | Administrative & support | 2019 |
| Project Bradford 777 Ltd | Real estate | 2025 |
| Project Financial Solutions Ltd | Financial services | 2007 |
| Project Kahn Ltd | Wholesale & retail | 2003 |
| Project on Guard CIC | Education | 2026 |
| Project Resurgence C.I.C. | Education | 2023 |
| Projects 2 Go Ltd | Information & communication | 2020 |
| Projects FM Limited | Professional & scientific | 2007 |
| Projex Interiors Limited | Construction | 2016 |
| Prolegis Limited | Professional & scientific | 2014 |
| Prolegis Solicitors LLP | | 2008 |
| Prolific Arts Ltd | Administrative & support | 2026 |
| Promaraton Agency Ltd | Professional & scientific | 2025 |
| Promoterss Limited | Wholesale & retail | 2023 |
| Prop Thames Ltd | Real estate | 2026 |
| Propak Holdings Limited | Administrative & support | 2017 |
| Propel Seven Ltd | Information & communication | 2013 |
| Proper T Construction Ltd | Construction | 2023 |
| Properties Pro Limited | Real estate | 2018 |
| Property & Home Improvements Ltd | Households | 2020 |
| Property Brothers Leeds Ltd | Households | 2022 |
| Property CJH Limited | Real estate | 2025 |
| Property Command Ltd | Information & communication | 2026 |
| Property Ladder Nationwide Limited | Construction | 2021 |
| Property Ladder Yorkshire Limited | Real estate | 2021 |
| Property Link BFD Limited | Real estate | 2014 |
| Property Management Ltd Limited | Real estate | 2021 |
| Property NET (Bradford) Limited | Real estate | 2014 |
| Property NET Maintenance Services Ltd | Construction | 2026 |
| Property People Investors Ltd | Real estate | 2020 |
| Property Range Limited | Construction | 1993 |
| Propertyshielduk Ltd | Construction | 2024 |
| Proplan Logistics Ltd | Transport & logistics | 2023 |
| Proploop Ltd | Real estate | 2026 |
| Propty Solution Ltd | Real estate | 2025 |
| Pros Edge Industries Ltd | Manufacturing | 2020 |
| Proshield Powerwashing Ltd | Administrative & support | 2025 |
| Proshine Auto Detailing Ltd | Wholesale & retail | 2026 |
| Prospect Smart Limited | Real estate | 2020 |
| Prospecta Consulting Ltd | Information & communication | 2026 |
| Prosper Academy Ltd | Education | 2018 |
| Prosperts Limited | Information & communication | 2023 |
| Prostar Equestrian Limited | Extraterritorial | 2020 |
| Prostar Packaging Limited | Administrative & support | 2020 |
| Prosumer Ltd | Wholesale & retail | 2020 |
| Protech Facilities Limited | Administrative & support | 2024 |
| Protect Accent CIC | Professional & scientific | 2020 |
| Protectlife Ltd | Financial services | 2025 |
| PROTEGOT1 Limited | Administrative & support | 2024 |
| Protek Fencing Limited | Construction | 1987 |
| Protek Holdings Limited | Other services | 1993 |
| Protekt PPF Ltd | Administrative & support | 2026 |
| Protherm Heating Solutions Ltd | Construction | 2023 |
| Protiro Limited | Administrative & support | 2025 |
| Proto[Typist] Keyboards Limited | Wholesale & retail | 2019 |
| Protus Health and Medical Manufacturing Solutions Limited | Manufacturing | 2025 |
| Protyne Holdings Ltd | Financial services | 2026 |
| Protyne Home & Garden Ltd | Wholesale & retail | 2017 |
| Protyne Properties Ltd | Real estate | 2024 |
| Proudlocks Accountants Ltd | Professional & scientific | 2015 |