| Pyramid Performance & Health Limited | Education | 2018 |
| Pyramid Performance: Elite Ltd | Education | 2025 |
| Pyramid Press Limited | Manufacturing | 1988 |
| Pyramids Property Limited | Real estate | 2024 |
| Pyramis Wealth Limited | Households | 2025 |
| Pyramisec Ltd | Manufacturing | 2015 |
| Python Aesthetics Ltd | Wholesale & retail | 2025 |
| Pyxida Transport Ltd | Transport & logistics | 2021 |
| PZL Developments Limited | Construction | 2025 |
| Q and P Trade Ltd | Wholesale & retail | 2021 |
| Q Autohaus Ltd | Wholesale & retail | 2024 |
| Q Beauty Ltd | Other services | 2023 |
| Q Care Assist Ltd | Health & social care | 2020 |
| Q Care Solutions Ltd | Administrative & support | 2024 |
| Q Delta Ltd | Information & communication | 2021 |
| Q Logger Limited | Information & communication | 2016 |
| Q Power Limited | Construction | 2013 |
| Q&P Arabic Majlis Ltd | Wholesale & retail | 2023 |
| Q-Boid Ltd | Real estate | 2018 |
| Q.S. Fire Ltd | Construction | 2006 |
| Q12 PJ Limited | Hospitality | 2020 |
| Q360 Property Limited | Real estate | 2021 |
| Q4 Technologies Limited | Information & communication | 2000 |
| Q4IS Ltd | Real estate | 2019 |
| Q7 Support Limited | Transport & logistics | 2013 |
| Qacti Limited | Education | 2015 |
| Qadar Consult Ltd | Professional & scientific | 2021 |
| Qadex Limited | Information & communication | 2001 |
| Qados Connectivity Ltd | Information & communication | 2024 |
| Qandil Ltd | Manufacturing | 2025 |
| Qaniaa Limited | Other services | 2022 |
| Qarah Investments Limited | Real estate | 2025 |
| QAZ Motor Group Ltd | Wholesale & retail | 2026 |
| Qazi Auto Repairs Limited | Wholesale & retail | 2022 |
| Qazi Services (Nottingham) Limited | Health & social care | 2014 |
| QB Club Ltd | Other services | 2024 |
| Qbex Home Services Ltd | Administrative & support | 2025 |
| QBL Consulting Limited | Professional & scientific | 2016 |
| Qbrit Ltd | Administrative & support | 2019 |
| QCP Consultants Ltd | Professional & scientific | 2018 |
| QCS Electrical Ltd | Construction | 2020 |
| QCS Nottingham Ltd | Professional & scientific | 2016 |
| QD Commercial Group (Property) Limited | Real estate | 1988 |
| QD Commercial Group Holdings Limited | Wholesale & retail | 2013 |
| QD Eastern Limited | Wholesale & retail | 1964 |
| QD Market Towns Limited | Wholesale & retail | 2013 |
| QD Stores Limited | Extraterritorial | 2005 |
| Qdos Properties Limited | Real estate | 2012 |
| Qdos Property Developments Ltd | Real estate | 2022 |
| QE AI Agents Ltd | Information & communication | 2025 |
| QED Automotive Limited | Wholesale & retail | 2014 |
| QED Homes Limited | Construction | 2021 |
| Qezalg Business Ltd | Wholesale & retail | 2025 |
| QF Barbers Ltd | Other services | 2026 |
| QFC Holdings Group Ltd | Administrative & support | 2025 |
| QH Builders Ltd | Construction | 2023 |
| Qhushee & Co Ltd | Manufacturing | 2025 |
| QI Concepts Limited | Professional & scientific | 1999 |
| QI Search Ltd | Professional & scientific | 2022 |
| Qirat Management Ltd | Financial services | 2023 |
| QJL Contract Limited | Construction | 2022 |
| QK Group Holdings Limited | Manufacturing | 2025 |
| QKEW2 Limited | Professional & scientific | 2023 |
| QL Baker Ltd | Administrative & support | 2022 |
| Qlfy Limited | Information & communication | 2023 |
| QMF Spaces Ltd | Construction | 2026 |
| QMX Development Limited | Construction | 2023 |
| QNA Consultants Ltd | Professional & scientific | 2023 |
| QNA Properties Ltd | Real estate | 2025 |
| Qnda Ltd | Education | 2021 |
| QNZ Holding Limited | Financial services | 2025 |
| QR Oriental Limited | Hospitality | 2023 |
| QR Property Developments Ltd | Real estate | 2022 |
| QRC Nottingham Limited | Construction | 2023 |
| QRT Property Limited | Real estate | 2024 |
| QS & C Limited | Hospitality | 2015 |
| QSN Enterprises Ltd | Wholesale & retail | 2021 |
| QSR Holdings Ltd | Financial services | 2024 |
| QTN Estates Ltd | Real estate | 2023 |
| QTS Education Recruitment Limited | Administrative & support | 2014 |
| QU Brand and Marketing Ltd | Professional & scientific | 2017 |
| Quad Joinery Contractors Limited | Construction | 2007 |
| Quad Management Solutions Ltd | Professional & scientific | 2022 |
| Quadrant Events Limited | Administrative & support | 2012 |
| Quadrant Insights Ltd | Education | 2024 |
| Quadrant Plant Limited | Administrative & support | 2003 |
| Quadris Group Ltd | Financial services | 2026 |
| Quagga Ltd | Real estate | 2015 |
| Quail Scaffolding Limited | Construction | 2019 |
| Quaker Cottage Consultancy Limited | Professional & scientific | 2024 |
| Qualcell Ltd | Professional & scientific | 2011 |
| QUALISTIC360 Ltd | Professional & scientific | 2015 |
| Qualitin Global Limited | Extraterritorial | 2013 |
| Qualitrain Powered Equipment Limited | Education | 2022 |
| Quality and Price Furniture Ltd | Wholesale & retail | 2020 |
| Quality Assured Education Ltd | Education | 2025 |
| Quality Assured Goods Ltd | Wholesale & retail | 2018 |
| Quality Award Homes Holding Ltd | Real estate | 2025 |
| Quality Award Homes Limited | Real estate | 2010 |
| Quality First Care Solutions Ltd | Information & communication | 2026 |