| Project Supervision Services Limited | Manufacturing | 2018 |
| Project Thrive CIC | Health & social care | 2025 |
| Prominence Auto Centres Ltd | Wholesale & retail | 2025 |
| Pronto Loans Limited | Extraterritorial | 2006 |
| Propelled Ltd | Professional & scientific | 2017 |
| Proper Manc Ltd | Wholesale & retail | 2024 |
| Properly Filled Limited | Hospitality | 2025 |
| Properties Professionals Limited | Real estate | 2019 |
| Property Connects Investment Ltd | Real estate | 2025 |
| Property Energy IQ Limited | Administrative & support | 2006 |
| Property Investment People Ltd | Real estate | 2016 |
| Property Medics Maintenance Ltd | Other services | 2017 |
| Property TAG Ltd | Real estate | 2024 |
| Prosoft Systems Ltd | Information & communication | 2020 |
| Prospect View Limited | Households | 2012 |
| Prospexx Services Ltd | Construction | 2022 |
| Protech Secure Services Ltd | Information & communication | 2025 |
| Protek Home Maintenance Limited | Administrative & support | 2023 |
| Proweb Limited | Professional & scientific | 1997 |
| PSG Security &Service Ltd | Information & communication | 2014 |
| PT Elevate Ltd | Information & communication | 2025 |
| PU Realisations Limited | Manufacturing | 1984 |
| Public Demand Limited | Wholesale & retail | 2025 |
| Publish North Ltd | Information & communication | 2022 |
| Puech Ltd | Professional & scientific | 1990 |
| Pukk Ltd | Wholesale & retail | 2025 |
| Pulse Electrix Ltd | Construction | 2016 |
| Pulse Engineering Services (UK) Ltd | Energy | 2012 |
| Pulse Renewables (NW) Ltd | Construction | 2024 |
| Pump IT UP Ltd | Health & social care | 2023 |
| Punjab Balti House & Takeaway Ltd | Hospitality | 2025 |
| Pureniceness Music Productions Ltd Ltd | Information & communication | 2025 |
| Pureshade Services Ltd | Construction | 2026 |
| Puresip Wholesale Limited | Wholesale & retail | 2025 |
| Purest Consulting Ltd | Professional & scientific | 2025 |
| Purple Alligator Limited | Extraterritorial | 2021 |
| Purple Chestnut Limited | Extraterritorial | 2021 |
| Purple ELK Productions Limited | Information & communication | 2021 |
| Purple Globe Limited | Extraterritorial | 2026 |
| Purple Management Limited | Wholesale & retail | 2023 |
| Purple Radish Ltd | Wholesale & retail | 2025 |
| Purple Teks Ltd | Information & communication | 2013 |
| Purples Estate Limited | Real estate | 2019 |
| Purpose on Board Ltd | Administrative & support | 2022 |
| Puzzle Development Solutions Limited | Professional & scientific | 2024 |
| Pvortex Ltd | Households | 2024 |
| Pyhex Limited | Extraterritorial | 2020 |
| Pylon Solutions Limited | Extraterritorial | 2021 |
| Pyramid Court Investments Limited | Construction | 2010 |
| Python Jackson Ltd | Administrative & support | 2015 |
| Q a Property Ltd | Real estate | 2024 |
| Q8 Supplies Ltd | Wholesale & retail | 2010 |
| QF Holdings NW Limited | Administrative & support | 1991 |
| QF Property Management Limited | Real estate | 2021 |
| QK Services Ltd | Extraterritorial | 2021 |
| QRD Dent Limited | Health & social care | 2025 |
| QS (NW) Ltd | Professional & scientific | 2019 |
| Qtxy Ltd | Construction | 2025 |
| Quadranova Group Ltd | Wholesale & retail | 2024 |
| Quadro Management Limited | Professional & scientific | 2017 |
| Quadro Solutions Limited | Professional & scientific | 2020 |
| Qualis Machine Tools Limited | Wholesale & retail | 2018 |
| Quality Cars and Finance Ltd | Wholesale & retail | 2025 |
| Quanthill Limited | Real estate | 2010 |
| Quantum Factors Limited | Administrative & support | 2000 |
| Quantumkinetic Ltd | Administrative & support | 2019 |
| Quayside 1 Limited | Real estate | 2022 |
| Qubit Solutions Ltd | Other services | 2022 |
| Queen Anne Glass Limited | Construction | 2004 |
| Queens Court (Bridlington) Management Company Limited | Real estate | 2011 |
| Quest Engineering Ltd | Wholesale & retail | 2024 |
| Quick Controls Limited | Administrative & support | 1987 |
| Quick Eats Limited | Hospitality | 2018 |
| Quick GET Limited | Wholesale & retail | 2025 |
| Quick Lining Limited | Construction | 2023 |
| Quick Scran Ltd | Wholesale & retail | 2025 |
| Quick Shift Transport NW Limited | Transport & logistics | 2024 |
| Quick UP Limited | Transport & logistics | 2023 |
| Quick UP Technologies Ltd | Information & communication | 2024 |
| Quickfast Limited | Health & social care | 2002 |
| Quickleap Ltd | Other services | 2008 |
| Quicknet AI Ltd | Information & communication | 2025 |
| Quickphase Ltd | Financial services | 2024 |
| QV Screenbase Limited | Professional & scientific | 1998 |
| R & a Care Ltd | Health & social care | 2016 |
| R & B Cabling & Systems Integration Ltd | Manufacturing | 2022 |
| R & M Transport (NW) Limited | Transport & logistics | 2024 |
| R & P Services Limited | Wholesale & retail | 1999 |
| R & R Locums Limited | Real estate | 2013 |
| R & R. Abodes Ltd | Construction | 2023 |
| R & S Joinery Limited | Manufacturing | 2023 |
| R & T @ Walshaw Limited | Hospitality | 2023 |
| R L Lovatt Holdings Limited | Financial services | 2014 |
| R P Care North West Limited | Extraterritorial | 2010 |
| R S Commercials Holdings Limited | Financial services | 2025 |
| R T Comiskey Ltd | Construction | 2021 |
| R&B Kitchen Design Ltd | Wholesale & retail | 2019 |
| R&B Residential Ltd | Real estate | 2025 |
| R&D Packaging Limited | Manufacturing | 2007 |
| R&D Physio Ltd | Health & social care | 2015 |