| PER Call Ltd | Professional & scientific | 2010 |
| PER Favore Ltd | Wholesale & retail | 2023 |
| PER14M Limited | Arts & recreation | 2025 |
| Peratech Holdco Ltd | Financial services | 2014 |
| Perception Medical Ltd | Health & social care | 2014 |
| Percival Salt Limited | Real estate | 2025 |
| Percy Jones Foundation Support Club CIC | Administrative & support | 2025 |
| Percy Street Motors Ltd | Professional & scientific | 2019 |
| Peregrine Estates Ltd | Real estate | 2024 |
| Perfecio Ltd | Education | 2025 |
| Perfect Agile Ltd | Information & communication | 2013 |
| Perfect Care Services Ltd | Health & social care | 2015 |
| Perfect Heaven Limited | Real estate | 2017 |
| Perfect Marble GB Ltd | Construction | 2019 |
| Perfect Mortgage Advice Limited | Financial services | 2025 |
| Perfect Paws Vets Limited | Professional & scientific | 2025 |
| Perfect Plan Investment Limited | Financial services | 2023 |
| Perfect Properties (Leeds) Ltd | Real estate | 2000 |
| Perfect Properties Yorkshire Limited | Health & social care | 2020 |
| Perfect Smile Clinic (UK) Ltd | Health & social care | 2010 |
| Perfect Snow Creations Limited | Manufacturing | 2016 |
| Perfect Storm Marketing Ltd | Professional & scientific | 2016 |
| Perfect Storm Property Limited | Real estate | 2022 |
| Perfect Time to Sleep Ltd | Wholesale & retail | 2019 |
| Perfect Virtual Limited | Information & communication | 2017 |
| PERFECT10 Property Group Ltd | Real estate | 2019 |
| PERFECT10 Property Holdings Ltd | Financial services | 2022 |
| Perfecta Developments Limited | Real estate | 2024 |
| Perfection Reloaded Studio Ltd | Professional & scientific | 2024 |
| Perform 320 Ltd | Other services | 2019 |
| Perform Partners Ltd | Professional & scientific | 2018 |
| Perform Ready Clinic Limited | Health & social care | 2016 |
| Performance Brands Limited | Wholesale & retail | 2015 |
| Performance Diamond CUT Wheels Ltd | Administrative & support | 2013 |
| Performance FM Limited | Information & communication | 2020 |
| Performance Glass Processing Ltd | Manufacturing | 2011 |
| Performance Journals Ltd | Wholesale & retail | 2021 |
| Performance Lighting Limited | Manufacturing | 2018 |
| Performance Managed Golf Limited | Arts & recreation | 2015 |
| Performo Saas Ltd | Information & communication | 2025 |
| Perge LLP | | 2014 |
| Period Portraits Ltd | Professional & scientific | 2018 |
| Periphery Security Ltd | Information & communication | 2022 |
| Perito Travel Ltd | Information & communication | 2023 |
| Peritus Financial Services Limited | Financial services | 2021 |
| Perks Loyalty Ltd | Information & communication | 2015 |
| Permaculture Association (Britain) | Other services | 2006 |
| Permanent Futures Holdings Limited | Financial services | 2024 |
| Permanent Futures Limited | Administrative & support | 2002 |
| Permanently Perfect Limited | Other services | 2005 |
| Permavoid Limited | Manufacturing | 2002 |
| Permavoid Technologies (USA) Limited | Manufacturing | 2014 |
| Permavoid Technologies Limited | Extraterritorial | 2013 |
| Perno Leisure Limited | Information & communication | 2015 |
| Perpetual Growth and Contingency Ltd | Information & communication | 2020 |
| Perpetual Health Company Ltd | Health & social care | 2022 |
| Perpetual Legacy Investments Limited | Real estate | 2024 |
| Perren Consultants Ltd | Professional & scientific | 2010 |
| Perry & Adam Estates Ltd | Real estate | 2026 |
| Perry Club Blazers Limited | Manufacturing | 2019 |
| Perry Creative Ltd | Arts & recreation | 2023 |
| Persian Flame Ltd | Hospitality | 2026 |
| Persian Flame Restaurant Ltd | Hospitality | 2025 |
| Persian Modern Kitchen Ltd | Hospitality | 2024 |
| Persian Signature Ltd | Manufacturing | 2025 |
| Persico Group Ltd | Real estate | 2016 |
| Persifix Ltd | Construction | 2025 |
| Persis Properties Ltd | Real estate | 2026 |
| Personal Accountant Ltd | Professional & scientific | 2014 |
| Personal Care Specialists Ltd | Health & social care | 2012 |
| Personal Care Training 4 U Limited | Health & social care | 2014 |
| Personal Touch Academy CIC | Education | 2026 |
| Personal Touch Healthcare Limited | Administrative & support | 2022 |
| Personalised Diagnostics Limited | Health & social care | 2021 |
| Personalised Luggage USA Limited | Professional & scientific | 2020 |
| Personalised Occasions Ltd | Wholesale & retail | 2021 |
| Personalised Signage Ltd | Wholesale & retail | 2025 |
| Pertento Ltd | Information & communication | 2018 |
| PES Compliance Limited | Construction | 2023 |
| Peshawari Abaseen Ltd | Hospitality | 2026 |
| Pest Expert Solution Ltd | Wholesale & retail | 2024 |
| Pet Chalet Ltd | Other services | 2018 |
| Pet Lifestyle Corporation Limited | Information & communication | 2020 |
| Pet Mart Limited | Extraterritorial | 1995 |
| Pet Solutions Ltd | Agriculture & fishing | 2019 |
| Petaline Ltd | Administrative & support | 2024 |
| Petals Room Ltd | Hospitality | 2022 |
| Pete Deacon Productions Limited | Arts & recreation | 2003 |
| Pete-R Design Limited | Construction | 2017 |
| Peter Armstrong Ltd | Professional & scientific | 2025 |
| Peter Bobak HIP and Knee Clinic Limited | Health & social care | 2010 |
| Peter Brearley Limited | Professional & scientific | 2011 |
| Peter Duffy (Leeds) Limited | Professional & scientific | 2017 |
| Peter Hoggard Limited | Transport & logistics | 1992 |
| Peter Hunt's Bakery Limited | Extraterritorial | 2008 |
| Peter Standen's Fisheries Limited | Wholesale & retail | 2011 |
| Peter Stevens Estates Limited | Real estate | 2003 |
| Peter Thomson & SON Ltd | Other services | 1996 |
| Peter Victor Ackermann Ltd | Wholesale & retail | 2025 |
| Peter Wilson Associates Ltd | Financial services | 2023 |