| Prime Pro Solutions Ltd | Other services | 2025 |
| Prime Properties & Decor Ltd | Real estate | 2024 |
| Prime Property Management Holdings Ltd | Real estate | 2023 |
| Prime Refurbishments London Ltd | Construction | 2025 |
| Prime Scaffolding Solutions Limited | Administrative & support | 2016 |
| Prime Sparks Electrical Ltd | Construction | 2021 |
| Primebuilders Ltd | Construction | 2019 |
| Primefix Solutions Ltd | Water & waste | 2026 |
| Primekey Partners Ltd | Real estate | 2025 |
| Primenest Store Ltd | Wholesale & retail | 2025 |
| Primenet Solutions Ltd | Information & communication | 2024 |
| Primeserve IT Solutions Ltd | Information & communication | 2015 |
| Primesupplyglobal Ltd | Wholesale & retail | 2025 |
| Primetan Ltd | Other services | 2022 |
| Primevisa Legal Ltd | Professional & scientific | 2025 |
| Primrose Commercial Garden Services Limited | Professional & scientific | 2025 |
| Primrose Garden Services Limited | Professional & scientific | 2025 |
| Primus Medical Ltd | Health & social care | 2022 |
| Principal Building Consultants Limited | Professional & scientific | 2026 |
| PRINT4UK Ltd | Manufacturing | 2008 |
| Printing Press Services Ltd | Manufacturing | 2021 |
| Priority Fire and Electrical Limited | Construction | 2002 |
| Priority Nursing Limited | Administrative & support | 2019 |
| Priors Property Limited | Real estate | 2017 |
| Priscilla & Friends Group Ltd | Hospitality | 2021 |
| Priscilla and Friends Limited | Hospitality | 2021 |
| Prishan Limited | Professional & scientific | 2012 |
| Prism Builds Ltd | Construction | 2026 |
| Prism X Ltd | Wholesale & retail | 2024 |
| Pritlove Bros Ltd | Extraterritorial | 2012 |
| Private Hideaway Villas Ltd | Administrative & support | 2021 |
| Private Network AI Limited | Information & communication | 2026 |
| Privately Tailored Customs Limited | Wholesale & retail | 2024 |
| Privately Tailored Holdings Ltd | Financial services | 2024 |
| Privately Tailored Presence Limited | Wholesale & retail | 2024 |
| Priveu Business Development Ltd | Professional & scientific | 2021 |
| Prmk Investment Limited | Other services | 2025 |
| Pro Soccer Youth Development Limited | Arts & recreation | 2016 |
| Pro - KAZ Properties Ltd | Real estate | 2020 |
| Pro Designer Shop Ltd | Manufacturing | 2019 |
| Pro Elite Football Academy (Cheshunt) Ltd | Education | 2022 |
| Pro Elite Football Academy (Hertfordshire) Ltd | Arts & recreation | 2024 |
| Pro Elite Football Academy Potters BA Limited | Arts & recreation | 2024 |
| Pro Gains Limited | Wholesale & retail | 2015 |
| Pro Glass Ltd | Manufacturing | 2026 |
| Pro Masters Transport Ltd | Transport & logistics | 2026 |
| Pro Print Designs Ltd | Manufacturing | 2024 |
| Pro-Seal Liquid Waterproofing Ltd | Construction | 2018 |
| PRO2KIL Ltd | Other services | 2017 |
| Proasia Limited | Other services | 2019 |
| Procura Supply Ltd | Wholesale & retail | 2026 |
| Prodent Group Limited | Health & social care | 2020 |
| Produce Agents Limited | Wholesale & retail | 2024 |
| Product Factory Limited | Information & communication | 2021 |
| Production Seven Eighth Limited | Administrative & support | 2018 |
| Professional Cookware Limited | Wholesale & retail | 2024 |
| Professional Energy Solutions Limited | Construction | 2014 |
| Professional Trainers Limited | Education | 2020 |
| Profile Fusion Limited | Information & communication | 2003 |
| Profit Wise Accounting Ltd | Professional & scientific | 2019 |
| Project 234TEEN CIC | Administrative & support | 2026 |
| Project Accountability CIC | Administrative & support | 2024 |
| Project Goal Limited | Hospitality | 2020 |
| Prokol Polymers UK Ltd | Other services | 2013 |
| Prolec Refurbishments Limited | Construction | 2006 |
| Proman Investments Limited | Real estate | 2021 |
| Promove Auto Ltd | Transport & logistics | 2025 |
| Propala Ltd | Construction | 2018 |
| Proper Property Protection Ltd | Public administration | 2024 |
| Property AJK Ltd | Construction | 2026 |
| Property and Sold Ltd | Real estate | 2020 |
| Property Angel Solutions Ltd | Real estate | 2011 |
| Property B.City Ltd | Real estate | 2025 |
| Property Board Solutions Ltd | Real estate | 2023 |
| Property by Gibson Limited | Real estate | 2017 |
| Property Circle London Limited | Real estate | 2018 |
| Property Investment London Limited | Real estate | 2017 |
| Property Investments by R&G Ltd | Financial services | 2023 |
| Property Power Ltd | Real estate | 2023 |
| Property Site MAP Limited | Information & communication | 2007 |
| Property Smart Maintenance Limited | Construction | 2015 |
| Property Solutions RC Ltd | Construction | 2026 |
| Property Sure Maintenance Limited | Agriculture & fishing | 2025 |
| Propertybydario Ltd | Real estate | 2025 |
| Propertying Limited | Real estate | 2015 |
| Propflow Limited | Information & communication | 2026 |
| Prophase Electric Services Ltd | Construction | 2025 |
| Prosecco Ristorante Ltd | Hospitality | 2023 |
| Prospect Heights Ltd | Real estate | 2020 |
| Prosper Nail Bar Limited | Other services | 2025 |
| Prosperity Commerce Ltd | Wholesale & retail | 2026 |
| Protect Prevent Ltd | Administrative & support | 2025 |
| Protein Zone Limited | Health & social care | 2020 |
| Protile Solutions Ltd | Construction | 2025 |
| Protostorm Commerce Limited | Wholesale & retail | 2026 |
| Providence Property Investors Limited | Real estate | 2015 |
| Provire Limited | Construction | 2020 |
| Pryme UK Properties Limited | Real estate | 2026 |
| PS Facades Ltd | Construction | 2008 |
| PSL Carpentry Limited | Professional & scientific | 2015 |