| Pure Path Logistics Ltd | Transport & logistics | 2024 |
| Pure Payroll Ltd | Extraterritorial | 2023 |
| Pure Software Ltd | Information & communication | 2023 |
| Pure Vision Marketing Ltd | Administrative & support | 2010 |
| Pure Wellness Ltd | Extraterritorial | 2016 |
| Purecare Today Limited | Health & social care | 2019 |
| Pureflow Cleaning Services Ltd | Administrative & support | 2025 |
| PUREH2O Cleaning Ltd | Administrative & support | 2015 |
| Purepatch Ltd | Wholesale & retail | 2024 |
| Purepay Ltd | Extraterritorial | 2023 |
| Purewash Cleaning Ltd | Administrative & support | 2026 |
| Puro (2022) Limited | Real estate | 2021 |
| Purple Dash Recruitment Limited | Administrative & support | 2024 |
| Purple Jellyfish Ltd | Information & communication | 2014 |
| Purple Monkey (Cambs) Ltd | Other services | 2019 |
| Purple PIG Consultants Ltd. | Professional & scientific | 2011 |
| Purple Rock Logistics Ltd | Transport & logistics | 2020 |
| Pursey Field Catering Ltd | Hospitality | 2025 |
| PVC Production Co Limited | Manufacturing | 2025 |
| Pvdm Property Limited | Real estate | 2019 |
| PVG Investments Limited | Financial services | 2022 |
| PVS Solutions Limited | Administrative & support | 2005 |
| PW HV Services Ltd | Energy | 2024 |
| PW Trans Ltd | Transport & logistics | 2022 |
| PW Transport HGV Ltd | Transport & logistics | 2023 |
| PWR Media (UK) Limited | Information & communication | 2013 |
| Pyan Ltd | Information & communication | 2026 |
| PYE Consultancy Ltd | Professional & scientific | 2017 |
| Pyramid Building Services Ltd | Construction | 2020 |
| Pyramid Pioneers Ltd | Education | 2013 |
| Q Brickwork Limited | Construction | 2020 |
| Q&A Tutors Limited | Professional & scientific | 2025 |
| Q2GLOBAL Marketing Services Limited | Professional & scientific | 2016 |
| Qazi Investments Global Limited | Real estate | 2019 |
| Qdys Transport Ltd | Transport & logistics | 2015 |
| QED Mechanical & Electrical Limited | Construction | 2015 |
| Qfit Service Ltd | Wholesale & retail | 2023 |
| Qfit Tyres Ltd | Wholesale & retail | 2021 |
| QH Nail Spa Ltd | Other services | 2024 |
| QHQ Trading Ltd | Wholesale & retail | 2019 |
| Qiassets Limited | Professional & scientific | 2008 |
| Qidas & Co Ltd | Professional & scientific | 2014 |
| QJ Barber Ltd | Other services | 2025 |
| QJS Holdings Limited | Real estate | 2019 |
| Qkiy Ltd | Wholesale & retail | 2016 |
| QLG (Building) Services Ltd | Construction | 2014 |
| QN Desserts Ltd | Hospitality | 2026 |
| QOC Limited | Information & communication | 2020 |
| Qprep Limited | Professional & scientific | 2011 |
| Qtex Ltd | Information & communication | 2022 |
| Quai Administration Services Limited | Information & communication | 2011 |
| Quai Investment Services Limited | Financial services | 2015 |
| Quai Nominees Limited | Financial services | 2022 |
| Quai Trustees Limited | Financial services | 2019 |
| Qualia Property Management Ltd | Real estate | 2020 |
| Quality & Price Ltd | Wholesale & retail | 2019 |
| Quality & Quantity Limited | Wholesale & retail | 2024 |
| Quality Care Home Services Ltd | Health & social care | 2026 |
| Quality Care Services Peterborough Limited | Health & social care | 2020 |
| Quality Endodontic Distributors Limited | Wholesale & retail | 1989 |
| Quality Farming Cambs Ltd | Agriculture & fishing | 2023 |
| Quality Fast Trans Ltd | Transport & logistics | 2026 |
| Quality Foods (Peterborough) Ltd | Hospitality | 2025 |
| Quality Fruit & VEG Limited | Agriculture & fishing | 2005 |
| Quality Halal Meat Limited | Manufacturing | 2010 |
| Quality Healthcare Consulting Ltd | Public administration | 2019 |
| Quality Onions Ltd | Real estate | 2014 |
| Quality Pizza Biggleswade Ltd | Hospitality | 2025 |
| Quality Thatching Ltd | Administrative & support | 2016 |
| Qualitystyle Limited | Real estate | 2007 |
| Qualyco Blinds Ltd | Manufacturing | 2025 |
| Qualyco Ltd | Manufacturing | 2024 |
| Qualyco Store Ltd | Wholesale & retail | 2025 |
| Quantalith Ltd | Information & communication | 2025 |
| Quantrelle Asset Management Limited | Households | 2014 |
| Quantrill Sales Ltd | Wholesale & retail | 2025 |
| Quantum Fibre Services Limited | Information & communication | 2025 |
| Quantum Lettings Ltd | Real estate | 2013 |
| Quantum Practice Ltd | Professional & scientific | 2019 |
| Quark Consultants Limited | Real estate | 2012 |
| Quarry Restoration Partnerships Ltd | Extraterritorial | 2014 |
| Quasar Retail Limited | Wholesale & retail | 2024 |
| Quatro Trans Ltd | Transport & logistics | 2022 |
| Quattris Global Limited | Information & communication | 2018 |
| Qubad IT Consultant Ltd | Information & communication | 2014 |
| Qudos Beauty Ltd | Wholesale & retail | 2022 |
| Qudprec Support Services Ltd | Health & social care | 2023 |
| Quds Meat & VEG Ltd | Wholesale & retail | 2025 |
| Queensgate Centre Association Limited | Wholesale & retail | 1982 |
| Queer Surf Club C.I.C. | Arts & recreation | 2021 |
| Quest Leadership Ltd | Professional & scientific | 2007 |
| Questa Moda SRL Ltd | Wholesale & retail | 2023 |
| Quick Brew Content Ltd | Information & communication | 2024 |
| Quick Car FIX Ltd | Wholesale & retail | 2020 |
| Quick Content Limited | Information & communication | 2014 |
| Quick Van FIX Ltd | Extraterritorial | 2023 |
| Quickpickz Distribution Ltd | Wholesale & retail | 2025 |
| Quickstop Grocery Ltd | Wholesale & retail | 2024 |
| Quickway Finance Ltd | Financial services | 2026 |
| Quickzbik Ltd | Administrative & support | 2018 |