| QF & MB Ltd | Hospitality | 2026 |
| QI AG Ltd | Professional & scientific | 2024 |
| QI Force Limited | Health & social care | 2022 |
| Qkcars Limited | Wholesale & retail | 2025 |
| Qmin Restaurant Wolverhampton Ltd | Hospitality | 2024 |
| Qmsone Limited | Information & communication | 2022 |
| Qruchi Ltd | Wholesale & retail | 2020 |
| QSA 9 Limited | Professional & scientific | 2002 |
| Qsen Recruitment TA Ltd | Administrative & support | 2024 |
| Qsen Training Academy CIC | Education | 2024 |
| Qteaching Ltd | Education | 2022 |
| Qualimax Limited | Hospitality | 2019 |
| Quality Assured Couriers Limited | Transport & logistics | 2020 |
| Quality Care Services 4U Ltd | Health & social care | 2020 |
| Quality Executive Offices Limited | Real estate | 2025 |
| Quality Home Care Limited | Health & social care | 2008 |
| Quality Meat & Poultry Shop Limited | Wholesale & retail | 2025 |
| Quality of Care Limited | Professional & scientific | 2016 |
| Quanex Access Solutions Limited | Administrative & support | 2014 |
| Quantum Assets Management Ltd | Real estate | 2011 |
| Quantum Chemicals Limited | Manufacturing | 2024 |
| Quantum Corporation Ltd | Construction | 2019 |
| Quantum Delta Holdings Ltd | Financial services | 2021 |
| Quantum Electronics Global Ltd | Professional & scientific | 2023 |
| Quantum Foods Ltd | Manufacturing | 2014 |
| Quantum Logistics Ltd | Transport & logistics | 2022 |
| Quantum Placements Limited | Administrative & support | 2025 |
| Quantum Thrive CIC | Health & social care | 2025 |
| Quantumindssi Ltd | Information & communication | 2026 |
| Quantumquest Innovations Limited | Information & communication | 2025 |
| Quarine Ltd | Wholesale & retail | 2026 |
| Quarricrete Limited | Professional & scientific | 1962 |
| Quartz Centre Ltd | Construction | 2012 |
| Quartz Hub Limited | Wholesale & retail | 2022 |
| Qubix Services Ltd | Information & communication | 2025 |
| Quds Consultancy Ltd | Administrative & support | 2023 |
| Qudsiyah Ltd | Wholesale & retail | 2025 |
| QUE Properties Limited | Real estate | 2025 |
| Queen Street Holdings Ltd | Real estate | 2024 |
| Queen Sun Pictures Limited | Information & communication | 2026 |
| Queensferry Consulting Ltd | Construction | 2019 |
| Quesil Limited | Professional & scientific | 2013 |
| Quest AV Ltd | Other services | 2018 |
| Quest HQ Ltd | Professional & scientific | 2022 |
| Quest Leisure Limited | Construction | 1992 |
| Quest Print UK Ltd | Manufacturing | 2023 |
| Quest Roadshow Ltd | Other services | 2018 |
| Quick Build Construction Ltd | Construction | 2019 |
| Quick Delivered Limited | Transport & logistics | 2025 |
| Quick FIX Food Holdings Limited | Hospitality | 2024 |
| Quick FIX Recruitment Ltd | Administrative & support | 2026 |
| Quick GAS Limited | Construction | 2018 |
| Quick PAY Payroll Limited | Administrative & support | 2016 |
| Quick Property Ltd | Real estate | 2019 |
| Quick Stitch Tailors Ltd | Other services | 2012 |
| Quick TAP Review Limited | Wholesale & retail | 2024 |
| Quickcart Shop Ltd | Wholesale & retail | 2026 |
| Quickfix Crew Ltd | Construction | 2025 |
| Quikleap Ltd | Information & communication | 2026 |
| Quin Xtra Ltd | Wholesale & retail | 2025 |
| Quirk Media Ltd | Information & communication | 2023 |
| Quirk Properties Limited | Real estate | 2020 |
| Quite Boring Limited | Wholesale & retail | 2026 |
| Quote ME Easy Ltd | Financial services | 2022 |
| Quran Class for Kids Ltd | Education | 2026 |
| Qwikleen Limited | Administrative & support | 2025 |
| R & a Kitchen & Bedrooms Ltd | Construction | 2024 |
| R & a Landscapes (Midlands) Ltd | Administrative & support | 2025 |
| R & a Programming Services Limited | Information & communication | 2003 |
| R & B Associates (U.K.) Limited | Professional & scientific | 2003 |
| R & C Williams (Midlands) Limited | Professional & scientific | 1999 |
| R & H D Ltd | Transport & logistics | 2013 |
| R & J Global Limited | Real estate | 2018 |
| R & J Jones Butchers Ltd | Wholesale & retail | 2026 |
| R & J Meats Ltd | Wholesale & retail | 2021 |
| R & M Properties Midlands Limited | Real estate | 2019 |
| R & M Tiling Limited | Construction | 2016 |
| R & R Investment Group Ltd | Real estate | 2019 |
| R & S Mehan Properties Ltd | Real estate | 2020 |
| R & S Surveying Consultants Limited | Professional & scientific | 2013 |
| R a Furnishings Limited | Wholesale & retail | 2005 |
| R Beast Ltd | Wholesale & retail | 2025 |
| R Bennett Jewellers Limited | Wholesale & retail | 2022 |
| R Bhalla Property Group Limited | Real estate | 2020 |
| R C L Plumbing & Heating Limited | Construction | 2007 |
| R Car Solutions Ltd | Wholesale & retail | 2024 |
| R D Glover Limited | Health & social care | 2017 |
| R Developers Ltd | Information & communication | 2026 |
| R G Groundcare Ltd | Other services | 2024 |
| R G Haulage Limited | Transport & logistics | 2024 |
| R G N Couriers Ltd | Transport & logistics | 2018 |
| R Gardiner & SON Limited | Construction | 2017 |
| R Gill Couriers Ltd | Transport & logistics | 2026 |
| R Giri Ltd | Professional & scientific | 2024 |
| R H (West Midlands) Limited | Other services | 2024 |
| R H Developments (W. Mids) Ltd | Other services | 2020 |
| R H Garage Services Ltd | Extraterritorial | 2017 |
| R H W Ward Limited | Professional & scientific | 2019 |
| R J Hipkiss & Sons Ltd | Wholesale & retail | 2013 |
| R J Refurbishments Limited | Water & waste | 2009 |