| Paddy Rail Ltd | Construction | 2015 |
| Padel 41 Ltd | Arts & recreation | 2025 |
| Padel Gear Ltd | Wholesale & retail | 2025 |
| Padgett Business Consultants Limited | Professional & scientific | 2023 |
| Padmavati Limited | Wholesale & retail | 2017 |
| Padmavati Properties Ltd | Real estate | 2019 |
| Padmei Consultancy Limited | Education | 2005 |
| Paeds Dental Services Ltd | Health & social care | 2025 |
| Pagavathi Limited | Information & communication | 2008 |
| Page Digital Limited | Wholesale & retail | 2016 |
| Pageus Limited | Other services | 2023 |
| Pagle Properties Limited | Real estate | 2019 |
| Pagoda Estate Ltd | Real estate | 2024 |
| Pags Properties Limited | Real estate | 2024 |
| PAI Creative Limited | Information & communication | 2023 |
| Painkiller London Ltd | Health & social care | 2026 |
| Painless Motion Ltd | Other services | 2024 |
| Pairs Antiques and Fine Arts Limited | Wholesale & retail | 1994 |
| PAK Fashion Saree House UK Ltd | Wholesale & retail | 2024 |
| Pakistan Today Limited | Information & communication | 2024 |
| PAL Investments Limited | Real estate | 1993 |
| PAL Medical Services Limited | Health & social care | 2021 |
| PAL Packaging and Removals Ltd | Wholesale & retail | 2026 |
| PAL Services Limited | Other services | 2026 |
| Pala Enterprises Ltd | Health & social care | 2020 |
| Pala Innovations Limited | Wholesale & retail | 2017 |
| Palace Court Hotel Ltd | Hospitality | 2013 |
| Palantir Investments Ltd | Real estate | 2020 |
| Palaris Europe Limited | Professional & scientific | 2012 |
| Palate on Wheels 2 Ltd | Hospitality | 2022 |
| Palebeck Group Limited | Financial services | 2016 |
| Palebeck Telecommunications Technology Limited | Other services | 1982 |
| Palendr Limited | Information & communication | 2025 |
| Palestine Liberation Movement Ltd | Other services | 2024 |
| Palkin Developments Ltd | Real estate | 2016 |
| Pall Mall Construction Ltd | Construction | 2019 |
| Pall Mall Hub Ltd | Wholesale & retail | 2025 |
| Palm Estates London Ltd | Real estate | 2020 |
| Palm Group Limited | Financial services | 2024 |
| Palm Production (London) Ltd | Real estate | 2022 |
| Palm Store Limited | Wholesale & retail | 2025 |
| Palma Wave Limited | Manufacturing | 2026 |
| Palmara Drops Limited | Health & social care | 2025 |
| Palmerston Court Management Limited | Households | 1988 |
| Palmyra Industries Ltd | Health & social care | 2024 |
| Palmyrah Village Ltd | Hospitality | 2021 |
| Palo Alto UK Ltd | Wholesale & retail | 2026 |
| Palpx Technologies Ltd | Information & communication | 2023 |
| Pals Enterprise Limited | Wholesale & retail | 2019 |
| Palvit Limited | Real estate | 2024 |
| PAM Bricks Ltd | Real estate | 2024 |
| PAM Consulting Services Ltd | Information & communication | 2021 |
| Pam's Beauty Limited | Other services | 2014 |
| Pamash Contruction Ltd | Construction | 2025 |
| Pami News Limited | Wholesale & retail | 2015 |
| Pamir UK Bakery Trading Ltd | Wholesale & retail | 2014 |
| Pampisford Road Ltd | Construction | 2020 |
| Pams Sahaja Consultancy Ltd | Other services | 2011 |
| PAN India Cafe Ltd | Hospitality | 2023 |
| PAN India Ltd | Wholesale & retail | 2023 |
| Panaaz Fashion Ltd | Wholesale & retail | 2015 |
| Panache Capital Limited | Real estate | 2020 |
| Panache Realbuild Limited | Professional & scientific | 2023 |
| Panai Limited | Hospitality | 2007 |
| Panamera Limited | Professional & scientific | 2013 |
| Panamericana Limited | Professional & scientific | 1997 |
| Panaroma Coorporation Limited | Wholesale & retail | 2025 |
| Panav Retail Limited | Transport & logistics | 2020 |
| Pancha Limited | Professional & scientific | 2007 |
| Panchal Motorcycle Limited | Wholesale & retail | 2025 |
| Panchal Paint & Decor Ltd | Construction | 2023 |
| Pancon Construction Limited | Construction | 2004 |
| Panda's Kitchen Ltd | Hospitality | 2018 |
| Pandeng Trade Ltd | Wholesale & retail | 2025 |
| Pandiship (W.A) Limited | Administrative & support | 2005 |
| Pandit (UK) Ltd | Wholesale & retail | 2002 |
| Pandit RAM Pandey Ltd | Administrative & support | 2017 |
| Pandiyan Suvaiaruvi Ltd | Hospitality | 2026 |
| Pandora London Ltd | Real estate | 2018 |
| Pandoras Other Box Limited | Other services | 2001 |
| Panectar LLP | | 2023 |
| Panera Limited | Other services | 2005 |
| Panesar Group Ventures Ltd | Financial services | 2023 |
| Paneye Ltd | Information & communication | 2025 |
| Pangaluri Limited | Information & communication | 2016 |
| Panic Button Limited | Professional & scientific | 2025 |
| Pankhu Limited | Wholesale & retail | 2024 |
| Pankridge Flats Management Limited | Households | 1998 |
| Panmer Limited | Manufacturing | 2017 |
| Pannam Limited | Real estate | 2018 |
| Panofolly Investments Ltd | Real estate | 2020 |
| Pantec Capital LLP | | 2010 |
| Pantheon Fine Art & Design Limited | Administrative & support | 2009 |
| Pantheos Ltd | Information & communication | 2014 |
| Panther Fire and Security Ltd | Administrative & support | 2016 |
| Panthera Business Solutions Ltd | Information & communication | 2019 |
| Panthera Management Consulting Ltd | Professional & scientific | 2016 |
| PAP 1 Trans Ltd | Construction | 2026 |
| Papa BUN Ltd | Hospitality | 2024 |
| Papa Look Films Limited | Administrative & support | 2022 |