| Phone Solution (Manchester) UK Ltd | Wholesale & retail | 2024 |
| Phone Support Ltd | Information & communication | 2008 |
| Phonecall Limited | Information & communication | 1998 |
| Phones FIX Ltd | Other services | 2020 |
| Phones for UK Ltd | Wholesale & retail | 2022 |
| Phones Realisations 2026 Limited | Wholesale & retail | 1996 |
| PHONES4UUK Ltd | Wholesale & retail | 2022 |
| Phopro Ltd | Professional & scientific | 2021 |
| Phos Property Ltd | Real estate | 2024 |
| Photo North Festival Community Interest Company | Other services | 2019 |
| Photo Phoenix Ltd | Professional & scientific | 2023 |
| Photo to Art Ltd | Arts & recreation | 2026 |
| Photo to Painting Ltd | Wholesale & retail | 2011 |
| Photoactive Ltd | Other services | 2022 |
| Photobomb Events Limited | Professional & scientific | 2017 |
| Photographic Services (North West) Limited | Professional & scientific | 1946 |
| Photography by Kalim Ltd | Information & communication | 2025 |
| Photographybydjs Ltd | Professional & scientific | 2025 |
| Photonix Ltd | Information & communication | 2020 |
| Phpl Properties Limited | Real estate | 2025 |
| Phren Soft Limited | Administrative & support | 2012 |
| PHS Care Services Ltd | Health & social care | 2024 |
| PHS Design Limited | Administrative & support | 2004 |
| Phun in the Sun Limited | Administrative & support | 2016 |
| Phylis Martin Ltd | Health & social care | 2018 |
| Phyrebird Consulting Limited | Information & communication | 2024 |
| Physicalstar Limited | Real estate | 2014 |
| Physio Assist Ltd | Health & social care | 2013 |
| Physio Clinic 65 Ltd | Health & social care | 2018 |
| Physio Consultancy (U.K.) Limited | Professional & scientific | 2019 |
| Physio MED Limited | Health & social care | 1993 |
| Physio MED Properties Limited | Real estate | 2008 |
| Physio Medco Limited | Public administration | 2022 |
| Physiofit (Leeds) Limited | Health & social care | 2003 |
| Physiofit Stamford Limited | Health & social care | 2023 |
| Physiomedicare Ltd | Health & social care | 2021 |
| Physionix Ltd | Health & social care | 2025 |
| Physology Limited | Health & social care | 2012 |
| Phytoforge Limited | Agriculture & fishing | 2026 |
| PI Projects Limited | Administrative & support | 2014 |
| PI3X Limited | Information & communication | 2025 |
| PIA Enterprises CIC | Health & social care | 2001 |
| Piani Limited | Real estate | 2025 |
| Pianola Limited | Information & communication | 2010 |
| Piassa Bar & Restaurant Limited | Hospitality | 2017 |
| Piatti Agencies LLP | | 2003 |
| Piccadilly Management Company (York) Limited | Households | 1998 |
| Pick and MIX Marketing Solutions Ltd | Professional & scientific | 2011 |
| Pick Fisk Limited | Manufacturing | 1997 |
| Pick ME Recruitment Limited | Administrative & support | 2024 |
| Pick N PAY Ltd | Wholesale & retail | 2025 |
| Pick UP Edinburgh Ltd | Transport & logistics | 2025 |
| Pick UP Publications and Distribution Limited | Information & communication | 2013 |
| Pickaproperty Ltd | Real estate | 2023 |
| Pickards (Commercial) Limited | Real estate | 2012 |
| Pickards (Leeds) Limited | Real estate | 2012 |
| Pickards 172 Limited | Hospitality | 2018 |
| Pickards Leeds Holdings Limited | Professional & scientific | 2017 |
| Pickering Professional Services Limited | Professional & scientific | 2015 |
| Pickersgill Drake Ltd | Wholesale & retail | 2008 |
| Pickersgill Financial Planning Ltd | Financial services | 2010 |
| Pickersgill Holdings Limited | Financial services | 2015 |
| Pickersgill PA Support Services Ltd | Administrative & support | 2018 |
| Pickled Head Ltd | Hospitality | 2019 |
| Pickles Financial Solutions Ltd | Professional & scientific | 2011 |
| Pickles Roofing Contractors Limited | Construction | 2013 |
| Picktop | Professional & scientific | 2018 |
| Pickup Commercials Ltd | Wholesale & retail | 2012 |
| Pickup Joinery Ltd | Construction | 2017 |
| Pickup Motors Ltd | Wholesale & retail | 2014 |
| Pictures Plus Limited | Manufacturing | 2009 |
| PIE Talent Limited | Administrative & support | 2014 |
| Piebridge Trading Ltd | Wholesale & retail | 2026 |
| Pielife Leeds Ltd | Hospitality | 2021 |
| Pienini Limited | Manufacturing | 2019 |
| Pier 8 Software Ltd | Information & communication | 2018 |
| Pierce Consultancy Limited | Professional & scientific | 2015 |
| Pierre Angulaire Limited | Professional & scientific | 2007 |
| Pierre Faucon Limited | Professional & scientific | 2013 |
| Pieter Marinus Properties Ltd | Real estate | 2021 |
| Piewich Limited | Manufacturing | 2017 |
| PIF Equity Managers L.P. | | 2004 |
| PIF Mezzanine Managers L.P. | | 2004 |
| Piglinhost Limited | Information & communication | 2024 |
| Piglove Brewing Co Limited | Manufacturing | 2017 |
| Piing Technologies Ltd | Information & communication | 2026 |
| PIK Property Ltd | Real estate | 2019 |
| Pikbash Ltd | Information & communication | 2025 |
| Piki People Limited | Professional & scientific | 2018 |
| Piksel Media & Broadcast Limited | Information & communication | 2021 |
| Pilatte Ltd | Hospitality | 2025 |
| Pillar Portfolio Ltd | Real estate | 2023 |
| Pillarhouse Facilities Management Ltd | Construction | 2026 |
| Pilot Creations Limited | Wholesale & retail | 2018 |
| Pilot Street Properties Limited | Real estate | 2023 |
| PIM & Co Ltd | Professional & scientific | 2013 |
| PIM Delivered Limited | Transport & logistics | 2025 |
| Pimblott Financial Solutions Limited | Financial services | 2009 |
| Pimlytics Ltd | Wholesale & retail | 2020 |
| Pims (Leeds) Ltd | Financial services | 2021 |