| Paediatric Surgeon Wales Ltd | Health & social care | 2024 |
| Paerangitia Ltd | Construction | 2025 |
| Pafl Prop Ltd | Real estate | 2016 |
| Pagano Holdings Limited | Financial services | 2024 |
| Pagaqum Services Limited | Health & social care | 2006 |
| Pagawans Thai Massage Limited | Extraterritorial | 2021 |
| Page 23 Limited | Wholesale & retail | 2009 |
| Page Automotive Ltd | Wholesale & retail | 2019 |
| Paget Engineering & Industrial Supplies Limited | Administrative & support | 2010 |
| Paget Harrington Global Ltd | Hospitality | 2025 |
| Paget Management Limited | Households | 2006 |
| Pagur International Automotive PC | | 2020 |
| PAH Media Limited | Information & communication | 2006 |
| Paid Social Media Marketing Ltd | Other services | 2019 |
| Pain Care PVT Ltd | Health & social care | 2024 |
| Paint by Spray Ltd | Construction | 2019 |
| Paint Creations Ltd | Construction | 2019 |
| Paint Logic Limited | Construction | 2022 |
| Paint the Town Red Limited | Hospitality | 2019 |
| Paintflow Limited | Manufacturing | 2009 |
| Painttech Decorators Limited | Construction | 2014 |
| Pair of Wardrobes Ltd | Wholesale & retail | 2024 |
| Pairport Ltd | Other services | 2025 |
| PAK Asian Grocery Limited | Wholesale & retail | 2023 |
| PAK Chung Equipment Limited | Professional & scientific | 2008 |
| PAK Enterprises Ltd | Wholesale & retail | 2019 |
| PAK Mecca Meats Expo Limited | Wholesale & retail | 2015 |
| Pakata Global Ltd | Wholesale & retail | 2026 |
| Pakistani Designer Wears Ltd | Manufacturing | 2026 |
| Palace Court (Cyncoed) Maintenance Service Limited | Households | 1961 |
| Palace Road Properties Limited | Real estate | 2004 |
| Palace Securities Limited | Wholesale & retail | 2024 |
| Palatine Games Limited | Information & communication | 2012 |
| Paldlsag Ltd | Manufacturing | 2026 |
| Palette Cardiff Limited | Hospitality | 2022 |
| Palgre Limited | Wholesale & retail | 2025 |
| Palin Limited | Financial services | 2021 |
| Palis Advisory Ltd | Professional & scientific | 2026 |
| Palis Global Limited | Wholesale & retail | 2018 |
| Palisade Real Assets GP 2 LLP | | 2026 |
| Palisade Real Assets UK Energy Transition Ltd | Financial services | 2022 |
| Palisade Real Assets UK Ltd | Financial services | 2022 |
| Palissandre Global Ventures Ltd. | Extraterritorial | 2024 |
| Palizoc Ltd | Health & social care | 2021 |
| Palletwrapuk Ltd | Transport & logistics | 2014 |
| Palm Tree Consultants Ltd | Public administration | 2022 |
| Palm Tree Media International Limited | Information & communication | 2016 |
| Palmer Cutz Ltd | Other services | 2024 |
| Palmer Plastering (South West) Limited | Construction | 2012 |
| Palmer Underwood Limited | Extraterritorial | 2026 |
| Palmert Limited | Wholesale & retail | 2026 |
| Palms Health Care Services Ltd | Health & social care | 2019 |
| Palmyra Global Ltd | Wholesale & retail | 2025 |
| Palmyra Homes Ltd | Construction | 2025 |
| Palmyra Reading Ltd | Hospitality | 2019 |
| Pamey Ltd | Wholesale & retail | 2021 |
| Pamez Ltd | Wholesale & retail | 2024 |
| Pamir Sparkler Limited | Wholesale & retail | 2025 |
| Pamit Ltd | Administrative & support | 2010 |
| Pampolini Smiles Limited | Health & social care | 2024 |
| Pamsmixx by Pamcakes Limited | Manufacturing | 2024 |
| Pamw Autos Limited | Wholesale & retail | 2024 |
| PAN (Parent Advocacy Network) Cymru CIC | Health & social care | 2024 |
| PAN Invest Ltd. | Real estate | 2016 |
| PAN Maritime Ltd. | Real estate | 1968 |
| PAN Ocean Ltd | Hospitality | 2025 |
| PAN Practice Certification Limited | Professional & scientific | 2026 |
| PAN Technology Ltd | Arts & recreation | 2025 |
| Pana Builders Ltd | Construction | 2025 |
| Panacea Associates Limited | Professional & scientific | 2018 |
| Panacea Electrons Ltd | Manufacturing | 2024 |
| Panacea Rentals Ltd | Administrative & support | 2016 |
| Panache Home Staging Ltd | Real estate | 2021 |
| Panama Properties Cardiff Ltd | Real estate | 2020 |
| Panama Restaurant Limited | Hospitality | 2014 |
| Panaomics Limited | Manufacturing | 2017 |
| Panasonic E-Commerce Ltd | Wholesale & retail | 2025 |
| Panasonic Manufacturing U.K. Ltd. | Manufacturing | 1974 |
| Pancho Flats & Villas Ltd | Hospitality | 2015 |
| Panda (UK) Technology Co., Limited | Wholesale & retail | 2022 |
| Panda 11 Limited | Hospitality | 2021 |
| Panda Care Seva Ltd | Health & social care | 2025 |
| Panda for YOU Limited | Other services | 2019 |
| Panda Garments Limited | Manufacturing | 2024 |
| Panda Tech Ltd | Wholesale & retail | 2015 |
| Panda Tours Ltd | Administrative & support | 2025 |
| Pandaa Consulting Limited | Professional & scientific | 2025 |
| Pandahouse Network Ltd | Professional & scientific | 2025 |
| Pandai Ltd | Hospitality | 2024 |
| Pandion Group PC | | 2018 |
| Pandox Ormeau Limited | Real estate | 2026 |
| Pandox Belfast City Limited | Real estate | 2026 |
| Pandox Chiswick Limited | Real estate | 2026 |
| Pandox City of London Limited | Real estate | 2026 |
| Pandox Derry Limited | Real estate | 2026 |
| Pandox Edinburgh ST Andrew Limited | Real estate | 2026 |
| Pandox Finsbury Park Limited | Real estate | 2026 |
| Pandox Holding Laban 1 Limited | Financial services | 2026 |
| Pandox Holding Laban 2 Limited | Financial services | 2026 |
| Pandox Holding Laban 3 Limited | Financial services | 2026 |