| Pragma Wealth Solutions Limited | Financial services | 2018 |
| Pramukh Events & Catering Ltd | Hospitality | 2024 |
| Prana Partners Ltd | Financial services | 2020 |
| Prap Ltd | Professional & scientific | 2024 |
| Prashanti Limited | Real estate | 2020 |
| Prass Properties Ltd | Real estate | 2013 |
| Prasum Limited | Professional & scientific | 2017 |
| Pravanthika Associates Limited | Health & social care | 2010 |
| Pravas Ltd | Real estate | 2026 |
| Prawn Again Ltd | Administrative & support | 2025 |
| Praxis Wealth Limited | Financial services | 2019 |
| Prayag Exclusive Limited | Wholesale & retail | 2023 |
| Prayyag Consulting Limited | Wholesale & retail | 2017 |
| Precious Tots Limited | Health & social care | 2025 |
| Precision Management Services Ltd | Professional & scientific | 2019 |
| Precision Vision London Ltd | Health & social care | 2023 |
| Precize Solutions Ltd | Construction | 2025 |
| Preda Gym Limited | Arts & recreation | 2019 |
| Predalex Ltd | Construction | 2023 |
| Predy Build Ltd | Construction | 2026 |
| Preeoptica Limited | Professional & scientific | 2010 |
| Premier Accountancy Services Limited | Professional & scientific | 1998 |
| Premier Care and Residential Home Services Limited | Information & communication | 2020 |
| Premier Housing (Ramuz DR) Ltd | Real estate | 2025 |
| Premier Housing Brixton Ltd | Real estate | 2025 |
| Premier Housing Brixton One Ltd | Real estate | 2026 |
| Premier Housing London Ltd | Real estate | 2025 |
| Premier Housing Westcliff Ltd | Real estate | 2025 |
| Premier Immigration Consultants Ltd | Professional & scientific | 2013 |
| Premier Luggage Ltd | Extraterritorial | 2025 |
| Premier Management (London) Limited | Construction | 2008 |
| Premier Management Goods Limited | Wholesale & retail | 2020 |
| Premier Shared Ltd | Professional & scientific | 2015 |
| Premier Wagyu & Seafood London Limited | Wholesale & retail | 2021 |
| Premium Cutz Limited | Other services | 2023 |
| Premium Delights Ltd | Wholesale & retail | 2025 |
| Premium Elegant Cleaning Services Ltd | Administrative & support | 2025 |
| Premium Thread Ltd | Wholesale & retail | 2026 |
| Premium Wall Ltd | Construction | 2025 |
| Premsharm Limited | Administrative & support | 2023 |
| Present Audio Visual Limited | Other services | 2013 |
| Present Communications Ltd | Professional & scientific | 2007 |
| Present Venue Finding Limited | Other services | 2014 |
| Preservia Beta Ltd | Construction | 2026 |
| Preso LAB Design Limited | Professional & scientific | 2015 |
| Prestig Contractors Limited | Construction | 2017 |
| Prestige Concierge Eood Ltd | Other services | 2026 |
| Prestige Hire (London) Ltd | Administrative & support | 2023 |
| Prestige Venue Limited | Real estate | 2006 |
| Preston Laine Property Consultants Limited | Real estate | 2020 |
| Priashtha Limited | Health & social care | 2021 |
| Price Mann & Co. Limited | Professional & scientific | 1988 |
| Price Mann Consultancy Limited | Financial services | 2026 |
| Price Mann FD Limited | Professional & scientific | 2020 |
| Price Mann Group Limited | Financial services | 2020 |
| Price Mann Limited | Professional & scientific | 2020 |
| Price Mann Probate Services Ltd | Professional & scientific | 2018 |
| Price Mann Properties Limited | Real estate | 2020 |
| Pricecutter Local Ltd | Wholesale & retail | 2020 |
| Priderock Holdings Limited | Real estate | 2018 |
| Primary Advice Limited | Education | 2022 |
| Primary Aspect Limited | Construction | 2022 |
| Primary Pipework Services Ltd | Construction | 2020 |
| Primary Premises Limited | Real estate | 2019 |
| Primary Resources Consulting Limited | Administrative & support | 2020 |
| Prime Buildings Limited | Construction | 2021 |
| Prime Entertainment Ltd | Information & communication | 2016 |
| Prime Kosher Services Limited | Professional & scientific | 2025 |
| Prime London Opco Ltd | Real estate | 2016 |
| Prime PHP Ltd | Real estate | 2016 |
| Prime Properties Investments Ltd | Hospitality | 2024 |
| Prime SH Property Limited | Real estate | 2024 |
| Prime Therapy Ltd | Health & social care | 2022 |
| Primestone Property Group Ltd | Construction | 2025 |
| Primetop Limited | Professional & scientific | 2014 |
| Primeworth Solutions Ltd | Information & communication | 2018 |
| Primio Properties Ltd | Real estate | 2025 |
| Primrose Hill Property Investments Ltd | Real estate | 2009 |
| Primrose Interiors Limited | Professional & scientific | 2013 |
| Primrose Ltd | Other services | 2024 |
| Primrose Property Services Limited | Real estate | 1995 |
| Primyra Corporation Limited | Financial services | 2017 |
| Primyra Partnership LLP | | 2026 |
| Primyra Ventures Limited | Manufacturing | 2019 |
| Principium Exchange Limited | Real estate | 2021 |
| Prinnces Pizza (Harlesden) Ltd | Hospitality | 2025 |
| Printed Editions Limited | Information & communication | 2011 |
| Printer Medic Limited | Administrative & support | 2017 |
| Printers Hub Ltd | Wholesale & retail | 2025 |
| Prion Productions Ltd | Information & communication | 2024 |
| Priory Park (Edgware NO.2) Limited | Households | 2021 |
| Priory Park (Edgware) Management Limited | Households | 2017 |
| Priory Park Holdings Limited | Households | 2024 |
| Prisha Cleaning Service Limited | Administrative & support | 2026 |
| Prishn Ltd | Wholesale & retail | 2023 |
| Prisid Limited | Real estate | 2022 |
| Prisolin Holdings Limited | Financial services | 2022 |
| Private Domestic Staff Limited | Administrative & support | 2021 |
| Private Pest Care Ltd | Administrative & support | 2020 |
| Privi Ltd | Real estate | 2026 |