| Project Safety Limited | Construction | 2019 |
| Proline Building Limited | Construction | 2017 |
| Proline DUO Innovation Limited | Transport & logistics | 2025 |
| Promar Facilities Management Ltd | Real estate | 2025 |
| Promax Access Limited | Wholesale & retail | 2000 |
| Promax Group Holdings Ltd | Financial services | 2023 |
| Prompt Vehicle Deliveries Limited | Transport & logistics | 1997 |
| Propcap JV1 Limited | Construction | 2017 |
| Propcap Limited | Real estate | 2016 |
| Propcap SPV1 Limited | Real estate | 2017 |
| Propcap SPV2 Limited | Real estate | 2018 |
| Propcap SPV3 Limited | Real estate | 2019 |
| Propcap SPV4 Limited | Real estate | 2020 |
| Propcap SPV5 Limited | Real estate | 2021 |
| Propcap SPV6 Limited | Real estate | 2016 |
| Properties at OME Ltd | Construction | 2025 |
| Property Decorations Limited | Administrative & support | 2015 |
| Property in Essex Ltd | Wholesale & retail | 2006 |
| Property Investments Yorkshire Group Limited | Real estate | 2026 |
| Property Investments Yorkshire Limited | Real estate | 2024 |
| Property Lettings Yorkshire Ltd | Real estate | 2026 |
| Property Partners Yorkshire Ltd | Real estate | 2026 |
| Property Projects North East Limited | Construction | 2024 |
| Property Projects North Limited | Construction | 2026 |
| Property Prompt Ltd | Information & communication | 2012 |
| Property Rental Management Limited | Real estate | 2011 |
| Propolis Process Solutions Limited | Administrative & support | 2013 |
| Proprium Ltd | Real estate | 2025 |
| Propumps Concrete Ltd | Manufacturing | 2022 |
| Prospace Developments Ltd | Real estate | 2025 |
| Prospect Building Surveyors Ltd | Other services | 2021 |
| Prosperity Trade Services Limited | Real estate | 2014 |
| Protea (2022) Holdings Limited | Manufacturing | 2022 |
| Protea Limited | Manufacturing | 1996 |
| Proud Financials Limited | Financial services | 2012 |
| Proud Lifetime Wills Limited | Professional & scientific | 2023 |
| Provide Education Ltd | Administrative & support | 2006 |
| Provision in the Community Limited | Education | 2018 |
| Provision Recruitment Ltd | Administrative & support | 2004 |
| Pryority Trading Ltd | Professional & scientific | 2021 |
| Przem Trans Ltd | Transport & logistics | 2023 |
| PSR Industrial Flooring Ltd | Construction | 2008 |
| PTB Consulting Services Ltd | Professional & scientific | 2025 |
| PTJ Catering Limited | Hospitality | 2016 |
| PTJ Investments Limited | Real estate | 2021 |
| PUB Cred Limited | Hospitality | 2026 |
| Public Sector Pension Services Limited | | 1988 |
| Pubsmiths Hospitality Ltd | Hospitality | 2025 |
| PUG Utilities Ltd | Construction | 2026 |
| Pulicon Group Ltd | Information & communication | 2024 |
| Pulisync Ltd | Information & communication | 2021 |
| Pulse Digital Marketing Limited | Information & communication | 2020 |
| Pumpkin Property Ltd | Real estate | 2021 |
| Punchbind Limited | Wholesale & retail | 2010 |
| Purcargo Ltd | Transport & logistics | 2019 |
| Pure Atom Energy Ltd | Construction | 2021 |
| Pure Clean Carpets Yorkshire Ltd | Administrative & support | 2025 |
| Pure Clean Yorkshire Ltd | Administrative & support | 2019 |
| Pure Root Essence Ltd | Wholesale & retail | 2024 |
| Pure White Spray Plastering Ltd | Construction | 2025 |
| Pureclean Huddersfield Ltd | Administrative & support | 2017 |
| Pureclean Solutions FM Ltd | Administrative & support | 2020 |
| Pureclean Window Cleaning Limited | Administrative & support | 2021 |
| Purejade Projects Ltd | Construction | 2025 |
| Pureremedy Ltd | Other services | 2024 |
| Purewater Window Cleaning Solutions Ltd | Administrative & support | 2021 |
| Puri Diagnostics Limited | Other services | 2019 |
| Purple Acorn Limited | Real estate | 2018 |
| Purple Space Digital Ltd | Information & communication | 2022 |
| Purston Park Hall RTM Company Limited | Households | 2023 |
| Pursue Talent Limited | Administrative & support | 2022 |
| Pusat Ltd | Hospitality | 2021 |
| Puscasiu Transport Limited | Transport & logistics | 2025 |
| PVS (Barnsley) Ltd | Water & waste | 1972 |
| PW Fittings Limited | Wholesale & retail | 2023 |
| PW Machine Services Limited | Information & communication | 2017 |
| PWT Environmental Consultancy Limited | Other services | 2007 |
| Pyneluxe Limited | Real estate | 2025 |
| Pyrex Trading Ltd | Wholesale & retail | 2020 |
| Q N Q Motor Services (UK) Limited | Manufacturing | 2015 |
| QA Provision Ltd | Education | 2026 |
| QA Teaching Ltd | Education | 2022 |
| Qarlo Limited | Information & communication | 2026 |
| Qazi & Sons Consultancy Ltd | Education | 2012 |
| Qdfc Ltd | Hospitality | 2019 |
| Qluner Ltd | Information & communication | 2026 |
| Qmaps UK Limited | Information & communication | 2023 |
| QOO Ltd | Information & communication | 2010 |
| Quaker Consultancy Services Limited | Construction | 2017 |
| Qualcon (Yorkshire) Limited | | 2009 |
| Quality Controlled Engineering Limited | Administrative & support | 2010 |
| Quality Foods Ltd | Wholesale & retail | 2007 |
| Quality Professional Pharma Services Ltd | Professional & scientific | 2014 |
| Quality Trade Leads Limited | Wholesale & retail | 2023 |
| Qualter, Hall Holdings Limited | Professional & scientific | 2019 |
| Qualter, Hall Investments Limited | Professional & scientific | 2019 |
| Quanta Commercial Limited | Professional & scientific | 2024 |
| Quanta Consultants Limited | Financial services | 2011 |
| Quantum QS Services Ltd | Construction | 2010 |
| Quantum Software Limited | Arts & recreation | 2014 |