| Paradigm Personel UK Limited | Transport & logistics | 2024 |
| Paradigm Personnel Ltd. | Transport & logistics | 2016 |
| Paradise Services Limited | Professional & scientific | 2010 |
| Paradise Urban Estates Ltd | Real estate | 2024 |
| Paradize Food Ltd | Hospitality | 2025 |
| Paradize Properties Limited | Real estate | 2023 |
| Paragon Design Services Ltd | Construction | 2025 |
| Paragon DRY Cleaners Limited | Other services | 2014 |
| Paragon Estate Developers Ltd | Real estate | 2021 |
| Paragon IT Consultancy Ltd | Information & communication | 2026 |
| Parallel Corporation Ltd | Financial services | 2024 |
| Parallel Group Holdings Ltd | Financial services | 2024 |
| Parallel IT Ltd | Information & communication | 2024 |
| Parallel Logistics Ltd | Other services | 2024 |
| Parallel Office and Document Solutions Ltd | Administrative & support | 2020 |
| Param Construction Ltd | Construction | 2025 |
| Param Freight Ltd | Transport & logistics | 2025 |
| Paramark Limited | Transport & logistics | 2017 |
| Paramount Consultants Limited | Information & communication | 2015 |
| Paramount Online Traders Limited | Wholesale & retail | 2020 |
| Paramount Plus Limited | Real estate | 2017 |
| Paras Travels Ltd | Administrative & support | 2019 |
| Parbhan Limited | Real estate | 2014 |
| Parcel & Poise Ltd | Other services | 2025 |
| Parcel Glide Ltd | Transport & logistics | 2025 |
| Pardeep Singh Ltd | Transport & logistics | 2026 |
| Pareto Property Partnership Ltd | Real estate | 2021 |
| Pari'Ss Limited | Other services | 2010 |
| Paridae Limited | Administrative & support | 2024 |
| Pariisa Trading Ltd | Wholesale & retail | 2025 |
| Parin Solutions Ltd | Information & communication | 2021 |
| Parish View Investments Ltd | Real estate | 2010 |
| Parishal Assets Limited | Real estate | 2020 |
| Parjem Ltd | Professional & scientific | 2012 |
| Park Drive Limited | Construction | 2026 |
| Park Street (Freehold) Management Company Limited | Households | 2002 |
| PARK4U Ltd | Transport & logistics | 2019 |
| Parkatheathrow Limited | Other services | 2018 |
| Parker Real Estate Company Ltd | Real estate | 2023 |
| Parker Training Services Limited | Education | 2011 |
| Parking Bay Ltd | Transport & logistics | 2025 |
| Parklane Consultants Limited | Information & communication | 1996 |
| Parkview Finance London Limited | Hospitality | 2015 |
| Parm Construction Limited | Construction | 2008 |
| Parmar Brothers Ltd Ltd | Construction | 2022 |
| Parmar.Z Ltd | Construction | 2025 |
| Parminderjit Singh Ltd | Construction | 2025 |
| Parmjit Bhogal Ltd | Information & communication | 2024 |
| Parsimony (UK) Ltd | Information & communication | 2021 |
| Parsonage Lane Residents Management Company Ltd | Households | 2023 |
| Partah Limited | Transport & logistics | 2019 |
| Partahnation Ltd | Wholesale & retail | 2023 |
| Partiz Slough Ltd | Wholesale & retail | 2024 |
| Partner RC Ltd | Health & social care | 2023 |
| Partnernex Ltd | Wholesale & retail | 2024 |
| Partners in Consultancy Ltd | Education | 2017 |
| Parts Control Ltd | Information & communication | 2025 |
| Party Group Limited | Transport & logistics | 2018 |
| Party Time Slough Ltd | Administrative & support | 2020 |
| Partyroc Ltd | Information & communication | 2015 |
| Partyspark Ltd | Arts & recreation | 2017 |
| Parvytcg Limited | Professional & scientific | 2026 |
| Pascucci & Co Accountants Limited | Professional & scientific | 2013 |
| Pasha 164 Ltd | Hospitality | 2018 |
| Pasham Photography Ltd | Information & communication | 2019 |
| Pashz Mechanical Services Ltd | Wholesale & retail | 2026 |
| Pasinfotech Limited | Information & communication | 2012 |
| Pasje Limited | Real estate | 2026 |
| Pass Expert Ltd | Education | 2019 |
| Pass Track Ltd | Education | 2025 |
| Passion Cleaning Ltd | Administrative & support | 2025 |
| Passion Fruit & VEG Ltd | Wholesale & retail | 2025 |
| Passive Construct Limited | Construction | 2022 |
| Pat&Pat Drywall Solutions Ltd | Construction | 2019 |
| Patek Solutions Limited | Administrative & support | 2014 |
| Paternoster Square Roof Ltd | Real estate | 2017 |
| Pathaans Express Ltd | Hospitality | 2025 |
| Pathfinder Education London Ltd | Education | 2025 |
| Pathway Optical Ltd | Wholesale & retail | 2022 |
| PATHWAYS2THRIVE CIC | Administrative & support | 2025 |
| Pathwayx Group Ltd | Health & social care | 2026 |
| Patidar Logistic Solution Ltd | Transport & logistics | 2025 |
| Patient Care Solutions Ltd | Information & communication | 2025 |
| Patina Cleaning Services Ltd | Administrative & support | 2020 |
| Patna Direct Ltd | Real estate | 2018 |
| Patrick Security Services Limited | Administrative & support | 2025 |
| Patrickbeactrice Ltd | Health & social care | 2026 |
| Patton Power Ltd | Administrative & support | 2015 |
| Paul Ensby Independent Colourist Ltd | Information & communication | 2025 |
| Paul Jheeta Ltd | Other services | 2014 |
| Paul Mark Kitchens Ltd | Construction | 2017 |
| Paulmam Limited | Construction | 2026 |
| Pavai Limited | Information & communication | 2025 |
| Pavan Investment Ltd | Real estate | 2023 |
| Pavan Tanay Filmss Ltd | Information & communication | 2026 |
| Pavgi Limited | Wholesale & retail | 2024 |
| Pawan Rajpal Ltd | Professional & scientific | 2008 |
| Pawan Store Ltd | Wholesale & retail | 2022 |
| Paws Investments Limited | Real estate | 2022 |
| Paws Nursery School Limited | Education | 2003 |