| Parrhesia News Media Production Ltd | Manufacturing | 2025 |
| Part Busters Limited | Wholesale & retail | 2017 |
| Part of Humanity Ltd | Health & social care | 2024 |
| Partdene Limited | Construction | 2024 |
| Partener Ltd | Construction | 2018 |
| Partha Properties Limited | Real estate | 2024 |
| Parthian Peak Group Ltd | Professional & scientific | 2026 |
| Partner Goods Ltd | Wholesale & retail | 2022 |
| Parts & Panels Ltd | Wholesale & retail | 2024 |
| Parts Plug UK Ltd | Wholesale & retail | 2021 |
| Partum Limited | Construction | 2014 |
| Party Cruisers (UK) Limited | Hospitality | 2021 |
| Party World Limited | Hospitality | 2023 |
| Partyology Ltd | Wholesale & retail | 2025 |
| Parvi Trading Ltd | Financial services | 2020 |
| Parvinder & Gurbax LLP | | 2019 |
| Pasha Hotel Limited | Hospitality | 2022 |
| Pasla Drinks Ltd | Wholesale & retail | 2009 |
| Pasprime Ltd | Health & social care | 2017 |
| Passport Photo Code UK Ltd | Information & communication | 2018 |
| Past Paper AI Ltd | Information & communication | 2025 |
| Pasumai Ltd | Wholesale & retail | 2020 |
| PAT Trading Ltd | Other services | 2014 |
| Pat&Flo Limited | Administrative & support | 2022 |
| Patae Medical Ltd | Health & social care | 2014 |
| Patchtech UK Limited | Information & communication | 2018 |
| Patchwork (E1) Limited | Hospitality | 2023 |
| Patel & Chand Investments Limited | Real estate | 2016 |
| Patel & Chand Limited | Real estate | 2013 |
| Patel & Sons Enterprises Ltd | Construction | 2025 |
| Patel and Chand Acquisitions Ltd | Real estate | 2017 |
| Patel Brothers Trading Ltd | Wholesale & retail | 2026 |
| Patel Building Construction Limited | Construction | 2025 |
| Patel KAL Limited | Information & communication | 2014 |
| Patelpv Limited | Health & social care | 2022 |
| Patels Supermarket Ltd | Wholesale & retail | 2026 |
| Pathat Property Ltd | Real estate | 2022 |
| Pathway Education Services Limited | Professional & scientific | 2024 |
| Pathway Immigration Ltd | Other services | 2018 |
| Pathway Provisions Ltd | Hospitality | 2025 |
| PATHWAY23 Limited | Professional & scientific | 2014 |
| Pathways for Growth CIC | Transport & logistics | 2026 |
| Pathways Property Solution Limited | Real estate | 2019 |
| Patric's Glazing Ltd | Construction | 2020 |
| Patricia Mcmahon Photography Limited | Professional & scientific | 2009 |
| Patricija Limited | Wholesale & retail | 2015 |
| Patristrf Ltd | Administrative & support | 2016 |
| Patron Catering Ltd | Hospitality | 2020 |
| Pattar Contractors and Training Ltd | Construction | 2019 |
| Patto Services Ltd | Transport & logistics | 2023 |
| Pattrick Brothers Holdings Limited | Information & communication | 2013 |
| Patwary Investment Ltd | Real estate | 2024 |
| Paul Driver Training Ltd | Education | 2026 |
| Paul Murphy Design Ltd | Professional & scientific | 2012 |
| Paul UK Estates Limited | Real estate | 2017 |
| Paulet & I Ltd | Construction | 2021 |
| Paulsen Tech Limited | Other services | 2022 |
| Paulsgrove Pharma Limited | Wholesale & retail | 2025 |
| Pavel Trans & Logistics Ltd | Transport & logistics | 2025 |
| Pavion Ltd | Transport & logistics | 2026 |
| Pawan Building Services Ltd | Construction | 2010 |
| Pawar Trading Ltd | Financial services | 2024 |
| Pawfect Adventure Days Ltd | Other services | 2026 |
| Pawlus Investment Ltd | Financial services | 2022 |
| Pawrix Limited | Wholesale & retail | 2025 |
| Paxim Ltd | Transport & logistics | 2019 |
| PAY Express Ltd | Professional & scientific | 2021 |
| Payday Umbrella Ltd | Administrative & support | 2018 |
| Payne & Co Letting and Management Ltd | Real estate | 2025 |
| PB Auto Clinic Limited | Wholesale & retail | 2019 |
| PB Multitask Ltd | Construction | 2023 |
| Pbex Limited | Manufacturing | 2026 |
| PBS 2000 Limited | Other services | 2013 |
| PBS Contracts (Design & Build) Ltd | Construction | 2010 |
| PBS Contracts (UK) Ltd | Construction | 2014 |
| PBS Joinery Limited | Manufacturing | 2009 |
| Pbst Painters Ltd | Construction | 2024 |
| Pbuh-Tech Ltd | Wholesale & retail | 2014 |
| PC Business Support Limited | Administrative & support | 2009 |
| PC House (London) Ltd | Other services | 2015 |
| PC UK Properties Ltd | Real estate | 2020 |
| PCK Thas Property Managements Ltd | Real estate | 2023 |
| PCM Homecare Limited | Health & social care | 2015 |
| PCO Link Ltd | Administrative & support | 2023 |
| PCO Transport Limited | Administrative & support | 2013 |
| PCO UK Hire Ltd | Other services | 2024 |
| PCO UK Rentals Limited | Other services | 2015 |
| PCP Cleaning Services Limited | Administrative & support | 2025 |
| PD European Foods Limited | Hospitality | 2020 |
| PD01 Limited | Professional & scientific | 2019 |
| PDA 74 Ltd | Construction | 2018 |
| PDC Belmont Ltd | Real estate | 2023 |
| PDI Services Limited | Households | 2020 |
| PDM Resolutions Ltd | Professional & scientific | 2009 |
| PDS Property Development Ltd | Real estate | 2021 |
| PDS Property Limited | Real estate | 2021 |
| PE Teachers Limited | Arts & recreation | 2005 |
| PE7 Properties Ltd | Real estate | 2021 |
| Peace and Reconciliation International Ltd | Professional & scientific | 2023 |
| Peace Motors Ltd | Wholesale & retail | 2025 |