| Penketh Barbers Limited | Other services | 2025 |
| Penketh Chippy Ltd | Hospitality | 2024 |
| Penketh Flooring Ltd | Wholesale & retail | 2013 |
| Penketh Kebab Ltd | Hospitality | 2025 |
| Penketh Kitchens & Joinery Ltd | Construction | 2026 |
| Penketh Media Ltd | Information & communication | 2024 |
| Penketh Pharma LLP | | 2009 |
| Penketh Plumbing Limited | Construction | 2014 |
| Pennie's Limited | Hospitality | 2024 |
| Pennington Build Limited | Construction | 2014 |
| Pennington Productions Ltd | Information & communication | 2022 |
| Pennwood Properties Ltd | Real estate | 2024 |
| PENNY0112 Ltd | Transport & logistics | 2025 |
| Pennydconsulting Ltd | Extraterritorial | 2021 |
| Penrith Associates Ltd | Professional & scientific | 2026 |
| Pension Point Group Ltd | Professional & scientific | 2022 |
| Penswick Projects Ltd | Professional & scientific | 2013 |
| Pentalumen Limited | Manufacturing | 2015 |
| Penton Grove Limited | Information & communication | 2024 |
| People Asset Management Group Limited | Administrative & support | 2010 |
| People Asset Management Ltd | Health & social care | 2004 |
| People Asset Management Recruitment Limited | Administrative & support | 2010 |
| People Based Solutions Limited | Administrative & support | 2012 |
| People on Board Ltd | Education | 2016 |
| PEOPLE2.0 (Group) UK Limited | Administrative & support | 1994 |
| PEOPLE2.0 UK Limited | Administrative & support | 1999 |
| PEOPLE2.0 Umbrella Holding UK Limited | Financial services | 2021 |
| Peoplesafe Services Limited | Administrative & support | 2013 |
| Peralta Tailoring Limited | Manufacturing | 2016 |
| Percentage Winning Limited | Wholesale & retail | 2025 |
| Perception Consultancy Limited | Professional & scientific | 2023 |
| Perception Engineering Limited | Administrative & support | 2012 |
| Perceptive Engineering Limited | Information & communication | 2002 |
| Percival Pearse Limited | Real estate | 1914 |
| Percy Pipefitting Limited | Administrative & support | 2015 |
| Peregrine Neuropsychology Solutions Ltd | Health & social care | 2015 |
| Perera Consultancy Ltd | Administrative & support | 2022 |
| Perfect Centre Limited | Health & social care | 2022 |
| Perfect Properties Limited | Real estate | 2015 |
| Perfect Smile Solutions Ltd | Health & social care | 2012 |
| Perform Beyond Ltd | Professional & scientific | 2016 |
| Perform Physio Ltd | Other services | 2017 |
| Performance Car Hire Limited | Administrative & support | 1997 |
| Performance North West Ltd | Wholesale & retail | 2018 |
| Peri Peri Trading Limited | Wholesale & retail | 2024 |
| Peridia Properties Ltd | Real estate | 2001 |
| Peridot Scientific Ltd | Professional & scientific | 2016 |
| PERIMETER9 Ltd | Information & communication | 2026 |
| Peritus PMC Ltd | Administrative & support | 2026 |
| Perlin Property Limited | Construction | 2016 |
| Perlustro Ltd | Professional & scientific | 2016 |
| Perma Property Services Limited | Administrative & support | 2024 |
| Permissio Ltd | Real estate | 2026 |
| Perona Jane Consultancy Limited | Professional & scientific | 2023 |
| Perona Properties Limited | Real estate | 2024 |
| Perry Engineering Limited | Professional & scientific | 1996 |
| Perry Professional Services Group Ltd | Professional & scientific | 2016 |
| Persona Gifts Ltd | Wholesale & retail | 2025 |
| Personal and Corporate Consulting Limited | Professional & scientific | 2019 |
| Personal Football Coaching Ltd | Arts & recreation | 2026 |
| Personal Training Didsbury Limited | Health & social care | 2021 |
| Personalyze Limited | Information & communication | 2016 |
| Perspextive Consulting Ltd | Professional & scientific | 2018 |
| Perstorp Services UK Ltd. | Wholesale & retail | 2018 |
| Pesho Professional Ltd | Other services | 2025 |
| Pet Cremation Northwest Limited | Other services | 2025 |
| Pet Wiggles Ltd | Wholesale & retail | 2023 |
| Petaluma Limited | Professional & scientific | 2018 |
| Pete Cornes Ltd | Information & communication | 2018 |
| Pete Gully Engineering Limited | Administrative & support | 2010 |
| Pete Loxton Engineering Services Ltd | Construction | 2019 |
| Pete Waterman Entertainment Limited | Information & communication | 2007 |
| Peter Bamford Limited | Professional & scientific | 2014 |
| Peter Brett Associates LLP | | 2008 |
| Peter Collingridge Consulting Limited | Information & communication | 2018 |
| Peter Cornelius Limited | Hospitality | 2015 |
| Peter CS Ltd. | Information & communication | 2019 |
| Peter Duffy Holdings Limited | Financial services | 2017 |
| Peter Duffy Limited | Construction | 1972 |
| Peter Finn Consulting Limited | Information & communication | 2016 |
| Peter Hazell Consulting Limited | Financial services | 2021 |
| Peter Liptak Transport Ltd | Transport & logistics | 2021 |
| Peter LIU Enterprises Ltd | Information & communication | 2003 |
| Peter M Property Ltd | Real estate | 2018 |
| Peter Mantel Dental Services Limited | Health & social care | 2017 |
| Peter Taylor Consultants Ltd | Professional & scientific | 2013 |
| Peterloo Productions Limited | Information & communication | 1995 |
| Petrie Engineering Limited | Professional & scientific | 2017 |
| Petroleum Regimes Advisory Limited | Education | 2013 |
| Petros Subsea Ltd | Professional & scientific | 2019 |
| Pets Boutique Limited | Wholesale & retail | 2020 |
| Pets Pantry NW Limited | Wholesale & retail | 2023 |
| Pets Retreat Ltd | Wholesale & retail | 2025 |
| Pewterspear Residents Limited | Households | 1978 |
| PFL Africa Limited | Arts & recreation | 2024 |
| PFL Europe LLP | | 2022 |
| PFL Mena Holdings (PTY) Ltd | Arts & recreation | 2023 |
| PFL Realisations Limited | Information & communication | 2022 |
| PFL UK (PTY) Limited | Arts & recreation | 2021 |
| PFP Northwest Limited | Wholesale & retail | 2019 |