| Printpro Ltd | Wholesale & retail | 2014 |
| Printworks Sign Studio Ltd | Manufacturing | 2025 |
| Prior Plumbing Ltd | Construction | 2019 |
| Prior Properties (Yorkshire) Limited | Real estate | 2025 |
| Priority Care Services Limited | Health & social care | 2021 |
| Priory Classics Limited | Real estate | 1997 |
| Priory Court (Gedling) Management Company Limited | Real estate | 1991 |
| Priory Electrical Ltd | Construction | 2009 |
| Priory Fish Bar Limited | Hospitality | 2018 |
| Priory Lawn Property Limited | Real estate | 2019 |
| Priscils Wedding Collection Limited | Manufacturing | 2015 |
| Pristine Care Consortium Limited | Health & social care | 2021 |
| Pristine Care Group Limited | Health & social care | 2022 |
| Pristine Courier Ltd | Transport & logistics | 2017 |
| Pristine Gadgets Ltd | Wholesale & retail | 2026 |
| Pristine Horizon Ltd | Administrative & support | 2018 |
| Pristine Property Limited | Real estate | 2016 |
| Pristine Touch Cleaning Ltd | Administrative & support | 2025 |
| Pritchard's Reach Ltd | Information & communication | 2023 |
| Pritchatts Park Village LLP | | 2021 |
| Pritel Business Limited | Professional & scientific | 2000 |
| Privacyportal Ltd | Wholesale & retail | 2023 |
| Private Client Online (Trust Corporation) Limited | Administrative & support | 2017 |
| Private Client Online (Wills) Limited | Professional & scientific | 2018 |
| Private Client Online Limited | Information & communication | 2015 |
| Private Maternity Services Ltd | Health & social care | 2025 |
| Private Pool Hire Corby Limited | Other services | 2024 |
| Privatecirclevip Ltd | Other services | 2021 |
| Privatepartyco Ltd | Wholesale & retail | 2022 |
| Priya & Peanut Ltd | Manufacturing | 2020 |
| Prize Gamer Ltd | Arts & recreation | 2018 |
| Prize Trawler Ltd. | Arts & recreation | 2006 |
| PRM Homes Ltd | Real estate | 2021 |
| Pro Access Foods Ltd | Hospitality | 2025 |
| Pro Core Diamond Drilling Limited | Construction | 2025 |
| Pro Dent Repair Ltd | Wholesale & retail | 2013 |
| Pro Environmental Ltd | Water & waste | 2017 |
| Pro Kitchens Ltd | Wholesale & retail | 2021 |
| Pro Lift Recruitment Ltd | Construction | 2025 |
| Pro Safety Consultancy Ltd | Professional & scientific | 2026 |
| Pro Shaw Electrical Ltd | Construction | 2026 |
| Pro Tint Specialists Ltd | Wholesale & retail | 2022 |
| Pro Windows & Conservatories Limited | Manufacturing | 2001 |
| Pro-Motiv.Com Limited | Professional & scientific | 2004 |
| Pro-Moulds (Midlands) Limited | Manufacturing | 1994 |
| Pro-Struct Limited | Professional & scientific | 2018 |
| Pro-Tech Roofing Contractors Ltd | Construction | 2025 |
| Pro-Tork Limited | Extraterritorial | 2018 |
| Pro-Training Limited | Education | 1998 |
| PRO95 Ltd | Transport & logistics | 2018 |
| Pro:Lifesavers Limited | Extraterritorial | 2025 |
| Proactive Care Placement Services Ltd | Health & social care | 2025 |
| Proactive Investments Limited | Real estate | 2016 |
| Proaesthetics Limited | Other services | 2016 |
| Probate Property Ltd | Wholesale & retail | 2022 |
| Probate Toolkit Limited | Extraterritorial | 2023 |
| Probeaut Limited | Wholesale & retail | 2026 |
| Probitas Window Cleaning Ltd | Construction | 2023 |
| Probiz International Limited | Real estate | 2023 |
| Probuild Midland Ltd | Construction | 2024 |
| Procasa Ltd | Health & social care | 2012 |
| Process and Document Automation Solutions Limited | Information & communication | 2022 |
| Process Driven Projects Limited | Construction | 2012 |
| Process Evaluation and Development Ltd | Professional & scientific | 2025 |
| Processmap UK Limited | Information & communication | 2022 |
| Prochaine Co Ltd | Wholesale & retail | 2019 |
| Procheck Roofing Ltd | Construction | 2024 |
| Prochema UK Ltd | Wholesale & retail | 2021 |
| Prochoice Recruitment Catering Ltd | Administrative & support | 2022 |
| Procon Nottinghamshire Limited | Other services | 2018 |
| Proctor's (Nottm) Funfairs Limited | Arts & recreation | 2007 |
| Proctors Light Haulage Ltd | Transport & logistics | 2020 |
| Procure Care Providers Limited | Health & social care | 2021 |
| Procurement for Hospitality Ltd | Professional & scientific | 2025 |
| Procurement Materials Inventory Limited | Real estate | 2004 |
| Prod. by Noah Ltd | Information & communication | 2020 |
| Prodesign Midland Ltd | Professional & scientific | 2018 |
| Prodirect Services Ltd | Construction | 2023 |
| Product Edge Consultants Ltd | Professional & scientific | 2025 |
| Productively Limited | Information & communication | 2025 |
| Productivico Ltd | Professional & scientific | 2024 |
| Proenergis Ltd | Professional & scientific | 2008 |
| Profectus Financial Planning Limited | Financial services | 2024 |
| Professional Accountancy Training Ltd | Education | 2024 |
| Professional Driving Recruitment Services Limited | Real estate | 2006 |
| Professional Flooring Contractors Ltd. | Construction | 2020 |
| Professional Golf Media Ltd | Information & communication | 2024 |
| Professional Mobile Ltd | Wholesale & retail | 2023 |
| Professional Paint UK Limited | Construction | 2016 |
| Professional Project and Grant Management Services Ltd | Professional & scientific | 2025 |
| Professional Projects Ltd | Information & communication | 2023 |
| Professional Property People Limited | Real estate | 2024 |
| Professional Skills Hub Ltd | Professional & scientific | 2025 |
| Professional Vehicle Servicing Limited | Wholesale & retail | 1997 |
| Professional Ventilation Services Ltd | Manufacturing | 2002 |
| Profile Nails Limited | Other services | 2001 |
| Profiles Hair Ltd | Other services | 2017 |
| Profiles Hair Nails & Beauty Ltd | Other services | 2017 |
| Profire Plus Limited | Construction | 2023 |
| Profit Box Ltd | Professional & scientific | 2011 |