| Prescriptions Online Limited | Extraterritorial | 2006 |
| Presence Online Limited | Wholesale & retail | 2024 |
| Present Works Ltd | Professional & scientific | 2018 |
| Presentornot Limited | Health & social care | 2014 |
| President Energy (UK) Limited | Mining & quarrying | 2003 |
| President Energy Investments (Paraguay) Limited | Mining & quarrying | 2021 |
| President Energy Paraguay Limited | Mining & quarrying | 2012 |
| President Energy Pirity Limited | Mining & quarrying | 2014 |
| Presley Kode Ltd | Information & communication | 2025 |
| Presley Property Ltd | Real estate | 2016 |
| Press Superstore Limited | Professional & scientific | 2010 |
| Pressed Nails Ltd | Wholesale & retail | 2025 |
| Pressflux Ltd | Professional & scientific | 2026 |
| Pressision Limited | Manufacturing | 2003 |
| Pressure Washer Repairs Ltd | Manufacturing | 2023 |
| Pressure Washers (Northern) Limited | Manufacturing | 2002 |
| Prestfelde Ltd | Wholesale & retail | 2018 |
| Prestige Bespoke Joinery Limited | Construction | 2025 |
| Prestige Brickwork Developments Ltd | Construction | 2023 |
| Prestige Care Corporation Ltd | Administrative & support | 2022 |
| Prestige Company Holdings International Ltd | Financial services | 2022 |
| Prestige Corporation Limited | Financial services | 2024 |
| Prestige Court Ltd | Real estate | 2014 |
| Prestige Estates Yorkshire Ltd | Real estate | 2025 |
| Prestige Fabrication Services Limited | Manufacturing | 2024 |
| Prestige Gourmet Limited | Hospitality | 2026 |
| Prestige Orthopaedics Limited | Health & social care | 2017 |
| Prestige Plant Room Services Ltd | Construction | 2021 |
| Prestige Plastering and Tiling Ltd | Construction | 2019 |
| Prestige Plumbing Services Ltd | Construction | 2003 |
| Prestige Prime Snack Spot Limited | Wholesale & retail | 2025 |
| Prestige Project Solutions Limited | Construction | 2024 |
| Prestige Properties & Management Ltd | Construction | 2024 |
| Prestige Recovery & Vehicle Storage Ltd | Wholesale & retail | 2025 |
| Prestige Rooms Ltd | Real estate | 2024 |
| Prestige Salvage (Leeds) Limited | Wholesale & retail | 2017 |
| Prestige Social Club Ltd | Other services | 2025 |
| Prestige Tanning & Beauty Salon Ltd | Other services | 2016 |
| Prestige Vehicle Security Ltd | Wholesale & retail | 2025 |
| Prestige Work Surfaces Limited | Manufacturing | 2012 |
| Prestigefct Limited | Transport & logistics | 2017 |
| Prestigious Barbers Limited | Other services | 2024 |
| Prestigious Jewellers Holdings Ltd | Real estate | 2022 |
| Prestigious Jewellers Limited | Wholesale & retail | 2016 |
| Prestigious Jewellers London Limited | Wholesale & retail | 2026 |
| Prestigious Photography Ltd | Professional & scientific | 2024 |
| Prestigious Textiles (France) Limited | Professional & scientific | 2001 |
| Prestigious Vapes Ltd | Wholesale & retail | 2026 |
| Prestigious Watches Limited | Wholesale & retail | 2021 |
| Prestij Software Services Limited | Information & communication | 2015 |
| Preston Advisory Limited | Professional & scientific | 2012 |
| Preston Farm Mews Management Company Limited | Real estate | 2011 |
| Preston House Leeds Limited | Professional & scientific | 2016 |
| Preston Medical Limited | Health & social care | 2013 |
| Preston Park Foods Limited | Administrative & support | 2019 |
| Preston-Moore Projects Ltd | Professional & scientific | 2019 |
| Prestwich Medical Ltd | Health & social care | 2019 |
| Pretty Fierce Marketing Limited | Professional & scientific | 2018 |
| Pretty Nails (LS) Limited | Other services | 2023 |
| Pretty Perfect Properties Ltd | Real estate | 2020 |
| Pretty Slick Limited | Information & communication | 2022 |
| Prettylittlecarts & Co Ltd | Hospitality | 2023 |
| Prettylittlepaws Ltd | Wholesale & retail | 2021 |
| Prevail Aviation Capital Limited | Information & communication | 2022 |
| Prevent Biometrics Limited | Extraterritorial | 2024 |
| Price Legal and Consultancy Services Limited | Professional & scientific | 2010 |
| Price Plumb Limited | Water & waste | 2022 |
| Price Promising Limited | Wholesale & retail | 2025 |
| Prich Network Solutions Limited | Information & communication | 2010 |
| Prickly Edge Hedgehog Rescue C.I.C. | Agriculture & fishing | 2022 |
| Priddings Pics Ltd | Professional & scientific | 2024 |
| Pride Landscape and Design Ltd | Administrative & support | 2018 |
| Priestley Joinery Limited | Construction | 2017 |
| Priestley Manor Management Company Limited | Households | 2017 |
| Priestwood Ltd | Health & social care | 2021 |
| Prima Manu Ltd | Information & communication | 2017 |
| Primacon Ltd | Construction | 2016 |
| Primal Apex Ltd | Wholesale & retail | 2026 |
| Primal Inspection Limited | Professional & scientific | 2018 |
| Primal Investment Group Ltd | Financial services | 2026 |
| Primal Scaffolding Ltd | Construction | 2026 |
| Primaltee Ltd | Wholesale & retail | 2026 |
| Primarius Group Limited | Information & communication | 2026 |
| Primary Care Commissioning Community Interest Company | Professional & scientific | 2009 |
| Primary Care First T/A One Wellness Limited | Health & social care | 2010 |
| Primary Care Services and Solutions Ltd | Health & social care | 2017 |
| Primary Holdings Limited | Information & communication | 2022 |
| Primary ICT Support Ltd | Information & communication | 2006 |
| Primary Influence UK Limited | Education | 2018 |
| Primary Power Projects Limited | Construction | 2026 |
| Primary Recruitment Ltd | Administrative & support | 2020 |
| Primary Science Education Consultancy Ltd | Education | 2011 |
| Primbase Ltd | Information & communication | 2026 |
| Prime 10 Group Ltd | Construction | 2025 |
| Prime Cart Commerce Ltd | Wholesale & retail | 2026 |
| Prime Conerstone Development Ltd | Real estate | 2023 |
| Prime DNA Limited | Professional & scientific | 2015 |
| Prime Dwellings Construction (Yorkshire) Ltd | Construction | 2022 |
| Prime Dwellings Limited | Construction | 2005 |
| Prime Ecom Ltd | Wholesale & retail | 2026 |