| Palm Hero Ltd | Wholesale & retail | 2021 |
| Palmaris Limited | Professional & scientific | 1997 |
| Palmco Publications Limited | Education | 1997 |
| Palmer & Co Legal Ltd | Professional & scientific | 2025 |
| Palmers Green Developments Limited | Construction | 2021 |
| Palmiero Design Limited | Professional & scientific | 2005 |
| Palmiye Limited | Hospitality | 2022 |
| Palmtree Networks Limited | Information & communication | 2014 |
| Pals Sales Consultancy Ltd | Professional & scientific | 2016 |
| Paltank Limited | Transport & logistics | 2002 |
| Paltutors Service Limited | Education | 2020 |
| Pam's MOT Centre Ltd | Wholesale & retail | 2015 |
| Pamirsuk Ltd | Wholesale & retail | 2024 |
| Pamor Ltd | Real estate | 2024 |
| Pampered Haven CIC | Wholesale & retail | 2026 |
| PAN Asia Thai Ltd | Hospitality | 2025 |
| Panacea Recruitment Limited | Administrative & support | 2018 |
| Panacea Trading Limited | Wholesale & retail | 2005 |
| Panache Hair Ltd | Wholesale & retail | 2021 |
| Panache Music Limited | Other services | 1985 |
| Panafrico Ltd | Professional & scientific | 2019 |
| Panasonic Industry UK Ltd. | Wholesale & retail | 1981 |
| Panchmukhi Limited | Wholesale & retail | 2026 |
| Panda Bobo Ltd | Wholesale & retail | 2020 |
| Panda CES Ltd | Professional & scientific | 2018 |
| Panda Estate Management Ltd | Real estate | 2023 |
| Panda MK Limited | Hospitality | 2024 |
| Panda Patch Daycare Ltd | Health & social care | 2025 |
| Panda Property Management Services Ltd | Real estate | 2024 |
| Panda Town 2024 Ltd | Hospitality | 2024 |
| Pandians Restaurant Ltd | Hospitality | 2019 |
| Pandya (Accountants) Limited | Professional & scientific | 2007 |
| Pandz 1830 Ltd | Hospitality | 2023 |
| Panesar Foods Limited | Manufacturing | 1991 |
| Pangea Bidco Limited | Financial services | 2022 |
| Paninian Solutions Limited | Professional & scientific | 2005 |
| Paninternational Airlines Limited | Information & communication | 1996 |
| Pankaj and Co. Limited | Health & social care | 2008 |
| Pantai Properties Limited | Real estate | 2024 |
| Pantheon Resourcing Limited | Administrative & support | 2017 |
| Panther & Eagle GRC Limited | Public administration | 2026 |
| Panthera Systems Limited | Information & communication | 2012 |
| Panton Accountancy Services Limited | Administrative & support | 2017 |
| Panton World Limited | Financial services | 2019 |
| Pantons Property Advisors Limited | Real estate | 2023 |
| Paolo Moscuzza Limited | Professional & scientific | 2011 |
| Papa John's (GB) Limited | Wholesale & retail | 1990 |
| Papa John's Pizza Limited | Financial services | 1999 |
| Papa LUI Takeaway Ltd | Hospitality | 2023 |
| Papa's WOK Limited | Hospitality | 2025 |
| Paper Rainbow Group Ltd | Financial services | 2023 |
| Papermakery Ltd | Manufacturing | 2018 |
| Papi's Cocktails Ltd | Hospitality | 2021 |
| Pappa Food Ltd | Hospitality | 2024 |
| Papyrus Holdings (Rail) Limited | Transport & logistics | 2011 |
| Papyrus RZD Tour Train Charter Limited | Transport & logistics | 2011 |
| PAR Express Ltd | Wholesale & retail | 2020 |
| PAR MS Mart Ltd | Real estate | 2025 |
| PAR Retail Ltd | Wholesale & retail | 2024 |
| PAR Trades Ltd | Wholesale & retail | 2018 |
| Par-Pak Europe Limited | Manufacturing | 1994 |
| Parabellum Holdings Ltd | Financial services | 2019 |
| Paracrest Properties Limited | Real estate | 1971 |
| Paradais Voyage Ltd | Administrative & support | 2025 |
| Paradepark Property Management Company Limited | Households | 1993 |
| Paradigm Shifting Programming Ltd | Information & communication | 2023 |
| Paradigm-Logic Limited | Construction | 2026 |
| Paradise Cult Ltd | Wholesale & retail | 2022 |
| Parallel Realms Ltd | Wholesale & retail | 2024 |
| Parallel Resourcing Ltd | Real estate | 2021 |
| Parallel Sports Coaching Limited | Education | 2019 |
| Parallel Sports Community Interest Company | Education | 2022 |
| Param Management Limited | Wholesale & retail | 2011 |
| Paramount Heating and Plumbing Ltd | Construction | 2019 |
| Paramount Security Limited | Administrative & support | 2001 |
| Paramsoft Solutions Limited | Information & communication | 2009 |
| Paratus Partners Ltd | Financial services | 2017 |
| Paratus Partners Property Ltd | Real estate | 2023 |
| Parcel Connections Limited | Transport & logistics | 2004 |
| Parcelpet Ltd | Administrative & support | 2014 |
| Pardarsh AI Tech Ltd | Information & communication | 2024 |
| Parekh Cloud Services Ltd | Information & communication | 2025 |
| Parfum Drops Ltd | Wholesale & retail | 2010 |
| Parias Construction & Interiors Limited | Construction | 1999 |
| Parikh Holdings Ltd | Real estate | 2021 |
| Parikhcorp Ltd | Health & social care | 2016 |
| Parilitas Limited | Information & communication | 2006 |
| Parilla Steak Hub Limited | Hospitality | 2024 |
| Parinaz Properties Limited | Real estate | 2026 |
| Parinaz Foodworks Limited | Hospitality | 2026 |
| Parinaz Nails & Beauty Ltd | Other services | 2026 |
| Parisa Properties Ltd | Real estate | 2020 |
| Parisco Limited | Wholesale & retail | 2023 |
| Park END Farm Limited | Administrative & support | 2017 |
| Park One Developments Limited | Hospitality | 2018 |
| Park Road Motors Limited | Wholesale & retail | 1995 |
| Park Royal Coachworks Ltd | Manufacturing | 2021 |
| Park Royal Vehicles Ltd | Manufacturing | 2020 |
| Park-Spotter Ltd | Other services | 2024 |
| Parker Avery Limited | Professional & scientific | 2023 |