| Pace and Line Designs Limited | Wholesale & retail | 2012 |
| Pacific Steel Ltd | Manufacturing | 2010 |
| Padmavati Real Estates Ltd | Real estate | 2025 |
| Paint & Decor Limited | Construction | 2010 |
| Paisley Park Limited | Professional & scientific | 2014 |
| Paiwand Events and Catering Limited | Hospitality | 2019 |
| Paiwand Events Community Interest Company | Hospitality | 2014 |
| PAK Asset Management Limited | Real estate | 2005 |
| PAK Impakt Properties Limited | Real estate | 2025 |
| Pakistan Tehreek-E-Insaf (Kashmir) UK Ltd | Health & social care | 2015 |
| Palak & Rashi Ltd | Real estate | 2025 |
| Palm Hills Limited | Transport & logistics | 2025 |
| Pamir Europe Ltd | Wholesale & retail | 2012 |
| Pamper ME Beautiful Limited | Other services | 2011 |
| PAN Estates Limited | Professional & scientific | 2012 |
| PAN Homes Limited | Administrative & support | 2014 |
| PAN Van Limited | Administrative & support | 2013 |
| Panda Care Sourcer Services Ltd | Administrative & support | 2023 |
| Pandora Nest Limited | Transport & logistics | 2025 |
| Pantai Enterprises Limited | Administrative & support | 2015 |
| Panthera Ventures Ltd | Professional & scientific | 2018 |
| Panton Associates Limited | Professional & scientific | 2010 |
| Panton Ventures Limited | Wholesale & retail | 2011 |
| PAP Services Ltd | Wholesale & retail | 2002 |
| Papa-Dum Street Kitchen Ltd | Hospitality | 2020 |
| Paper Press Limited | Arts & recreation | 2023 |
| Paperback Studios Ltd | Professional & scientific | 2016 |
| Papercare Working Papers Limited | Information & communication | 2022 |
| Paperclip Financials Ltd | Professional & scientific | 2018 |
| Paperwerks UK Limited | Professional & scientific | 2015 |
| Papilio London Ltd | Arts & recreation | 2016 |
| Para Foods Limited | Hospitality | 2019 |
| Parabol Labs Ltd | Administrative & support | 2024 |
| Paracosmic Ltd | Information & communication | 2019 |
| Paradise City Productions Limited | Information & communication | 2021 |
| Paradise Hampstead Limited | Hospitality | 2019 |
| Paradise Petersfield Ltd | Hospitality | 2018 |
| Paradise Resorts Limited | Professional & scientific | 1995 |
| Paradiso Verde Ltd | Information & communication | 2015 |
| Paralt Ltd | Wholesale & retail | 2025 |
| Paramount Personal Training Limited | Arts & recreation | 2011 |
| Paras Malde Ltd | Health & social care | 2024 |
| Pardoe & Sons Ltd | Construction | 2019 |
| Parfene Construct Limited | Construction | 2025 |
| Pari Group Ltd | Financial services | 2025 |
| Parihu Ltd | Wholesale & retail | 2020 |
| Parisflow Practice Ltd | Information & communication | 2025 |
| Pariyani Property Limited | Real estate | 2025 |
| Park High School | Education | 2011 |
| Park Hill School Limited | Education | 1988 |
| Park Lane City Apartments Limited | Hospitality | 2009 |
| Park Lane Worldwide (Properties) Ltd | Professional & scientific | 2018 |
| Park Products (North West) Limited | Manufacturing | 2009 |
| Park Properties Investment Ltd | Real estate | 2021 |
| Park Royal Occupational Health Limited | Health & social care | 1958 |
| Parker Advices Limited | Professional & scientific | 2025 |
| Parker Cavendish (2021) Limited | Professional & scientific | 2021 |
| Parker Cavendish Limited | Professional & scientific | 2003 |
| Parker Finance Ltd | Real estate | 2016 |
| Parker Getty Limited | Professional & scientific | 2013 |
| Parkermoon Ltd | Professional & scientific | 2022 |
| Parkers Residential Limited | Real estate | 2011 |
| Parklands (Bushey) Management Limited | Households | 1988 |
| Parkvue Ltd | Professional & scientific | 2010 |
| Parkway Bodywork Limited | Wholesale & retail | 2024 |
| Parkwell Business Solutions Limited | Wholesale & retail | 2002 |
| Parnell United Limited | Real estate | 2020 |
| Paros Consulting Ltd | Construction | 2019 |
| Paroti Limited | Other services | 2020 |
| Parsh Empire Ltd | Real estate | 2026 |
| Parsix Consultants Ltd | Professional & scientific | 2022 |
| Parswani Ltd | Wholesale & retail | 2024 |
| Parthi Limited | Administrative & support | 2016 |
| Parties by Plasware Limited | Wholesale & retail | 2016 |
| Pascall Weldfab Limited | Manufacturing | 2014 |
| Passionista Art Limited | Arts & recreation | 2021 |
| PAT Brennan Pipe Fitters Ltd | Construction | 2005 |
| Pata Transport Limited | Transport & logistics | 2016 |
| Patchwork Realms Ltd | Information & communication | 2023 |
| Patel Brothers Private Limited | Wholesale & retail | 2025 |
| Patel Builds Limited | Construction | 2025 |
| Patelingham Properties Limited | Real estate | 2022 |
| Path Design Recruitment Limited | Administrative & support | 2022 |
| Pathak Properties Limited | Real estate | 2006 |
| Pathway Legal Services Ltd | Professional & scientific | 2025 |
| Pathway to Prosperity Ltd | Hospitality | 2024 |
| Pathway to Wellness Ltd CIC | Education | 2020 |
| Patrick Thomas and Partners Limited | Information & communication | 2018 |
| Patterns of the Mind Ltd | Professional & scientific | 2023 |
| Paul AVA Electric Ltd | Construction | 2021 |
| Paul Falltrick Creative Limited | Other services | 2015 |
| Paul Garner Copywriting Limited | Professional & scientific | 2013 |
| Paul Page Properties Limited | Real estate | 2019 |
| Paul Saunders Property Maintenance Limited | Other services | 2014 |
| Paul Smith Moving and Storage Services Limited | Transport & logistics | 2024 |
| PAV Driving School Ltd | Education | 2023 |
| Pavan Ltd | Real estate | 2025 |
| Pavestech PST Limited | Construction | 2007 |
| Pavia Build Ltd | Construction | 2019 |
| Paws in Time Ltd | Professional & scientific | 2025 |