| PAC Team U.K. Limited | Information & communication | 2019 |
| Pacan Zechner Limited | Professional & scientific | 2026 |
| Pacific Care Staffing Limited | Administrative & support | 2025 |
| Pacific Consultancy Limited | Professional & scientific | 2010 |
| Pacific Tanker Limited | Transport & logistics | 2022 |
| Pack and Go Removals Ltd. | Transport & logistics | 2020 |
| Pack and Stack Removals Limited | Transport & logistics | 2024 |
| Pack Ventures Ltd | Other services | 2021 |
| PAD Thai Holdings Ltd | Financial services | 2025 |
| Padda Courier Limited | Transport & logistics | 2026 |
| Paddington Bear Homes Ltd | Real estate | 2023 |
| Paddington Motor Parts Limited | Wholesale & retail | 2009 |
| Padgett Marine Limited | Professional & scientific | 2022 |
| Padharo UK Ltd. | Hospitality | 2020 |
| Padre Transport Ltd | Transport & logistics | 2020 |
| Pafe Limited | Households | 2012 |
| Pagdin Commercial Limited | Professional & scientific | 2008 |
| Paghmaan Ltd | Other services | 2020 |
| PAH Dominion Consulting Ltd | Professional & scientific | 2015 |
| Paharas Musica Ltd | Information & communication | 2025 |
| Paica Global Ltd | Information & communication | 2019 |
| Pain 2 Greatness LP | | 2025 |
| Pain Osteopathy Limited | Health & social care | 2013 |
| Paine Jarvis Consulting Ltd | Administrative & support | 2026 |
| Paines Construction Limited | Manufacturing | 2013 |
| Paines Contractors Limited | Construction | 2018 |
| Paines Group Limited | Financial services | 2018 |
| Paines Plant Hire Limited | Construction | 2018 |
| Paint Pots Pre-School & Nursery Limited | Education | 1999 |
| Paintpott Ltd | Arts & recreation | 2020 |
| Paisa (UK) Limited | Real estate | 2013 |
| PAK Coaching Limited | Education | 2022 |
| Palace Mews Management Company (Bishops Waltham) Limited | Households | 1989 |
| Palace Projects Ltd | Construction | 2019 |
| Palace Quarters Management Company Ltd | Households | 2026 |
| Palavigan Ltd | Transport & logistics | 2012 |
| Pali Building Ltd | Construction | 2015 |
| Palimpsest Properties Ltd | Real estate | 2025 |
| Paling & MAY Limited | Wholesale & retail | 2009 |
| Palla Properties Limited | Administrative & support | 2021 |
| Palladium Holdings Limited | Real estate | 2004 |
| Pallas Group Ltd | Financial services | 2020 |
| Palm Bay Guitars Ltd | Manufacturing | 2018 |
| Palm Tree Design & Print Limited | Manufacturing | 2011 |
| Palm Tree Financial Company Ltd | Professional & scientific | 2025 |
| Palmer Adaptation Limited | Professional & scientific | 2013 |
| Palmer Nominees Limited | Administrative & support | 2021 |
| Palmer Safety & Training Ltd | Professional & scientific | 2025 |
| Palmer's Property Maintenance Ltd | Other services | 2015 |
| Palmerston House (Romsey) Management Company Limited | Households | 2006 |
| Palmglow Ltd | Wholesale & retail | 2024 |
| Paloma Support Ltd. | Health & social care | 2022 |
| Palsal Service Ltd | Transport & logistics | 2019 |
| Palz Cleaning Services LLP | | 2024 |
| PAM Gregory Astrology Ltd | Wholesale & retail | 2021 |
| PAM Gregory Giving Limited | Professional & scientific | 2026 |
| PAM Haulage Limited | Transport & logistics | 2015 |
| Pameer SQ Ltd | Hospitality | 2024 |
| Pams Trans Ltd | Transport & logistics | 2021 |
| Panache Travel Limited | Transport & logistics | 2003 |
| Panamorphix Ltd | Information & communication | 2024 |
| Panaroma Partners Ltd | Professional & scientific | 2024 |
| Panca SG Limited | Real estate | 2025 |
| Panda Developments and Engineering Ltd | Construction | 2020 |
| Panda Feast Limited | Hospitality | 2024 |
| Panda Tourism Ltd | Administrative & support | 2025 |
| Panda Whitmore Holdings Ltd | Real estate | 2025 |
| Pandey & Co Limited | Professional & scientific | 2003 |
| Panel Dings PDR Limited | Wholesale & retail | 2013 |
| Pansy Management Limited | Hospitality | 2016 |
| Pantene Healthcare Providers Limited | Health & social care | 2022 |
| Papaj Electricity Ltd | Construction | 2015 |
| Paparuna Ltd | Wholesale & retail | 2018 |
| Papavero Limited | Real estate | 2014 |
| Papcastle Limited | Professional & scientific | 2018 |
| Paperchain Ltd. | Wholesale & retail | 1980 |
| Paperless Receipts Limited | Information & communication | 2025 |
| Paperpunch Limited | Extraterritorial | 2011 |
| Papertrail Bookkeeping Limited | Professional & scientific | 2018 |
| Papillon Beachwear Limited | Wholesale & retail | 2015 |
| Papperless Reciepts Limited | Information & communication | 2025 |
| Paradise Cleaning Ltd | Administrative & support | 2026 |
| Paradise Lifestyle Limited | Wholesale & retail | 2013 |
| Paragon Scheme Management Services Limited | Financial services | 1996 |
| Paragon Ventures Ltd | Construction | 2026 |
| Parallel Music Conference CIC | Administrative & support | 2025 |
| Parallel Safety Ltd | Construction | 2014 |
| Paramount Automobiles Limited | Wholesale & retail | 1997 |
| Paramount HOA Ltd | Financial services | 2010 |
| Paramount Plus Healthcare Limited | Extraterritorial | 2022 |
| Paran Purchasing Consultant Limited | Administrative & support | 2014 |
| Parata Services Limited | Construction | 2025 |
| Paratha Box Southampton Ltd | Hospitality | 2024 |
| Parbat Foods Limited | Hospitality | 2025 |
| Parco Homes Limited | Real estate | 2022 |
| Parco Touring Limited | Real estate | 2022 |
| Parco Trade Spares Ltd | Manufacturing | 2018 |
| Pardesi Group Investments Limited | Financial services | 2026 |
| Pardon My French Ltd | Administrative & support | 2024 |
| Parent Support Link | Health & social care | 1996 |