| Phjm Associates Limited | Professional & scientific | 2002 |
| Phoenix (CY) Limited | Financial services | 2022 |
| Phoenix 3D Prints Limited | Manufacturing | 2024 |
| Phoenix Accounting Consultancy Limited | Professional & scientific | 2011 |
| Phoenix Cafe Services Ltd | Hospitality | 2026 |
| Phoenix Cars South Limited | Transport & logistics | 2025 |
| Phoenix Corporation Ltd | Wholesale & retail | 2013 |
| Phoenix Design and Building Solutions Limited | Construction | 2015 |
| Phoenix Hair and Beauty (Evesham) Limited | Other services | 2008 |
| Phoenix PMR Ltd | Construction | 2019 |
| Phoenix Prime Ltd | Construction | 2016 |
| Phoenix Turkish Barber Services Ltd | Other services | 2022 |
| Phoenix-Johns Ltd | Extraterritorial | 2013 |
| Phone Worldd Ltd | Wholesale & retail | 2024 |
| Phones 4 Business Limited | Information & communication | 1999 |
| Phones Rescue Ltd | Manufacturing | 2018 |
| Phonexa, Ltd | Information & communication | 2016 |
| Photopoint Limited | Professional & scientific | 2011 |
| PHX Bournemouth Limited | Arts & recreation | 2018 |
| Physicagames Limited | Information & communication | 2019 |
| Piasecka Limited | Health & social care | 2018 |
| Piccadilly Ballroom Limited | Arts & recreation | 2016 |
| Picerjaw & Co. Limited | Arts & recreation | 1980 |
| Picke Foods Ltd | Hospitality | 2025 |
| Picky Rooms Ltd | Real estate | 2020 |
| Picniq Family Travel Group Ltd | Financial services | 2022 |
| Picniq Holidays Ltd | Administrative & support | 2022 |
| Picniq Limited | Other services | 2013 |
| Picture HUT Limited | Professional & scientific | 1982 |
| Piers Tennis Ltd | Arts & recreation | 2019 |
| PIG PEN Copywriting LLP | | 2019 |
| Pilgrims Construction Limited | Construction | 2011 |
| Pillar Roof Cleaning and Maintenance Ltd | Construction | 2019 |
| Pillarcourt Limited | Households | 1987 |
| PIN IT and Pray Ltd | Wholesale & retail | 2022 |
| Pincents Development Company Limited | Construction | 2026 |
| Pine Campers Ltd | Hospitality | 2022 |
| Pine Court (Ferndown) Management Company Limited | Households | 2001 |
| Pine Lodge (Martello Park) Management Limited | Households | 1975 |
| Pine Lodge (Westbourne) Commonhold Association Limited | Households | 2005 |
| Pine Lodge Freehold Limited | Households | 2008 |
| Pine Mansions RTM Company Limited | Households | 2026 |
| Pine Park Mansions (Management) Limited | Households | 1971 |
| Pine Tree Glen Limited | Real estate | 2003 |
| Pine Tree Glen Management Company Limited | Households | 1988 |
| Pineapple Group Properties Limited | Real estate | 2024 |
| Pinecliffe 42 Management Company Ltd | Households | 2022 |
| Pinecliffe Manor Limited | Households | 2012 |
| Pinelands Court Property Management Limited | Extraterritorial | 2025 |
| Pinelands Home Limited | Health & social care | 2025 |
| Pinelands Management Limited | Households | 1997 |
| Pineridge (Bournemouth) Management Company Limited | Households | 2009 |
| Pinesand Ltd | Wholesale & retail | 2024 |
| Pinhoti Limited | Professional & scientific | 2025 |
| Pinnacle Realty Solutions Ltd | Real estate | 2026 |
| Pinnacle Roofing Systems Limited | Construction | 2025 |
| Pintail Business Park Management Company Limited | Real estate | 2015 |
| Pioneer Finance Limited | Financial services | 2012 |
| Pipe Dreams Services Limited | Construction | 2017 |
| Pipefix Holdings Ltd | Financial services | 2021 |
| Pipefix Limited | Manufacturing | 1997 |
| Pipeline Solutions Group Limited | Information & communication | 2024 |
| Piper Properties 2020 Limited | Real estate | 2021 |
| Pipers Hygiene Services Ltd | Water & waste | 2018 |
| Pippatrims Ltd | Other services | 2025 |
| Pirbright House Freehold Limited | Households | 2009 |
| Piri Piri Butlers Limited | Administrative & support | 2023 |
| Piri Piri Events Limited | Hospitality | 2024 |
| Piri-Piri Restaurants Limited | Hospitality | 1997 |
| Pisanu Property Investments Limited | Real estate | 2025 |
| Pisces Restaurant Limited | Hospitality | 2025 |
| Pitaya Estate Ltd | Real estate | 2025 |
| Pitch Software Ltd | Information & communication | 2026 |
| Pivotal Care Group Limited | Health & social care | 2009 |
| Pivotal Development Services Limited | Real estate | 2010 |
| Pivotal Electronics Limited | Wholesale & retail | 2005 |
| Pivotal Group Holdings Limited | Financial services | 2019 |
| Pivotal Homes Group Limited | Financial services | 2017 |
| Pivotal Homes Property Limited | Real estate | 2019 |
| Pivotal Housing Association | Health & social care | 2007 |
| Pivotal Support and Skills CIC | Hospitality | 2023 |
| Pivotal Support Group Limited | Hospitality | 2000 |
| Pixel Bridge LAB Ltd | Information & communication | 2026 |
| Pixel CX Ltd | Wholesale & retail | 2017 |
| Pixel Logic Limited | Financial services | 2020 |
| Pixel Motive Ltd | Financial services | 2025 |
| Pixel Perfect AV Ltd | Construction | 2022 |
| Pixelwork Studios Ltd | Information & communication | 2021 |
| Pizza Bella Bournemouth Limited | Hospitality | 2021 |
| Pizza Catering & Events Ltd | Hospitality | 2024 |
| Pizza Plus Limited | Hospitality | 2023 |
| Pizza Plus Takeaway Ltd | Hospitality | 2017 |
| Pizzeria Parma Ltd | Hospitality | 2023 |
| PJ Swindon Limited | Hospitality | 2020 |
| Pj.A.M Ltd. | Construction | 2014 |
| PJ6 Limited | Administrative & support | 2019 |
| PJD Legal Services Limited | Professional & scientific | 2018 |
| Pjjm Solutions Ltd | Construction | 2018 |
| PJM 2020 Ltd | Health & social care | 2020 |
| PJS Aspects Ltd | Construction | 2017 |