| Qualia Aesthetics Limited | Education | 2014 |
| Qualia Digital Ltd | Professional & scientific | 2021 |
| Qualinex Limited | Administrative & support | 2016 |
| Qualitiproducts Ltd | Wholesale & retail | 2022 |
| Quality Servomotor Repairs Ltd | Manufacturing | 2011 |
| Qualityforuk Ltd | Wholesale & retail | 2025 |
| Quanticopia Limited | Information & communication | 2016 |
| Quantm Ltd | Health & social care | 2025 |
| Quantum (MCL) Limited | Other services | 2017 |
| Quantum Cybersecurity Ltd | Information & communication | 2024 |
| Quantum Learning Academy Ltd | Information & communication | 2020 |
| Quantum Precision Research Ltd | Wholesale & retail | 2025 |
| Quantum Project Solutions Ltd | Information & communication | 2015 |
| Quantum Visualization Limited | Other services | 2013 |
| Quantumtec Group Ltd | Real estate | 2022 |
| Quantumtec Holdings Ltd | Financial services | 2025 |
| Quantumtec Ltd | Information & communication | 2022 |
| Quanwan HUD888 Ltd | Hospitality | 2021 |
| Quarmby Croft Lettings Limited | Real estate | 2025 |
| Quarmby Road Car Sales Ltd | Wholesale & retail | 2024 |
| Quarry Service & MOT Limited | Wholesale & retail | 2017 |
| Quasar Management Ltd | Health & social care | 2026 |
| Quattro Stagioni Limited | Extraterritorial | 1999 |
| Quay Documentation Services Limited | Information & communication | 1996 |
| Quds Halal Meat Limited | Wholesale & retail | 2022 |
| Quebec and Front Street Management Company Limited | Real estate | 2024 |
| Quebec Farm Conservation Limited | Construction | 2012 |
| Queens Mill Fabrics Limited | Wholesale & retail | 2015 |
| Quest Administrational Services Limited | Administrative & support | 2025 |
| Quick Stop Drinks Ltd | Manufacturing | 2024 |
| Quickfoot Films Ltd | Information & communication | 2015 |
| Quickscript Limited | Wholesale & retail | 2022 |
| Quickstep Property Ltd | Construction | 2022 |
| Quiet Times Limited | Wholesale & retail | 2017 |
| Quillion Limited | Real estate | 2008 |
| Quine Developments Ltd | Construction | 2023 |
| Quintalyst Properties Ltd | Financial services | 2026 |
| Quintessentialife Ltd | Wholesale & retail | 2019 |
| Quirkco Investments Limited | Construction | 1958 |
| Quiz Whiz Ltd | Manufacturing | 2023 |
| Quorum Management Limited | Financial services | 2014 |
| Qusp Ltd | Health & social care | 2016 |
| QZA Ltd | Health & social care | 2021 |
| R & C Property Development Limited | Real estate | 2026 |
| R & D Holdings & Commercial Lettings Ltd. | Manufacturing | 2018 |
| R & D Sheetmetal Limited | Manufacturing | 2002 |
| R & H Bamforth Ltd | Agriculture & fishing | 2018 |
| R & K (Yorkshire) Ltd | Administrative & support | 2023 |
| R & K RES Ltd | Real estate | 2024 |
| R & N Investments Limited | Real estate | 2016 |
| R & R Estates and Lettings Ltd | Real estate | 2017 |
| R & S HMO Properties Ltd | Real estate | 2026 |
| R & S-Mcq Properties Ltd | Real estate | 2007 |
| R a S Fashion Ltd | Wholesale & retail | 2016 |
| R Airey Services Limited | Transport & logistics | 2016 |
| R B C S Limited | Administrative & support | 1998 |
| R B Components Limited | Wholesale & retail | 2019 |
| R B Freight Limited | Transport & logistics | 2015 |
| R B Vernon Limited | Administrative & support | 2009 |
| R B Vision Limited | Other services | 2007 |
| R Broster Haulage & Excavation Ltd | Transport & logistics | 2019 |
| R D Watson Builders Ltd | Construction | 2015 |
| R F Landscape Products (1990) Limited | Administrative & support | 2010 |
| R F Property Estates Ltd | Real estate | 2025 |
| R G Contractors Limited | Agriculture & fishing | 2023 |
| R Haigh Groundworks & Tarmacadam Limited | Construction | 2009 |
| R J Atkinson Developments Ltd | Construction | 2021 |
| R J Atkinson Ltd | Wholesale & retail | 2013 |
| R J Charlesworth Limited | Real estate | 2015 |
| R J Plumbing and Heating Services Ltd | Energy | 2021 |
| R Jenkin Locum Ltd | Professional & scientific | 2021 |
| R Kausar Ltd | Health & social care | 2007 |
| R Kaushal Consultancy Ltd | Financial services | 2017 |
| R M Land Development Ltd | Professional & scientific | 2024 |
| R N I (Hudds) Ltd | Other services | 2019 |
| R S Auto Huddersfield Ltd | Wholesale & retail | 2019 |
| R S Equestrian Limited | Agriculture & fishing | 2019 |
| R S Khangura Ltd | Real estate | 2011 |
| R&J Custom & Classics Ltd | Wholesale & retail | 2021 |
| R&M Paradise Properties Ltd | Real estate | 2024 |
| R&S Fabrications Ltd | Manufacturing | 2008 |
| R&S Food Services Limited | Hospitality | 2025 |
| R&S Shop Ltd | Wholesale & retail | 2024 |
| R&S Trades Limited | Transport & logistics | 2023 |
| R&W Property Holdings Ltd. | Real estate | 2019 |
| R-Youth CIC | Health & social care | 2024 |
| R. Lambert Transport Limited | Transport & logistics | 1986 |
| R.A & Sons Ltd | Wholesale & retail | 2021 |
| R.A.Majid Logistics Ltd | Transport & logistics | 2024 |
| R.Beanland & Co.Limited | | 1900 |
| R.S. Forestry Limited | Agriculture & fishing | 2005 |
| R.T.R Scrymgeour & Co Ltd | Health & social care | 2018 |
| R1 Property Limited | Real estate | 2020 |
| R2C2 Limited | Financial services | 2024 |
| R59 DT Holdings Ltd | Extraterritorial | 2024 |
| R9 Developments Ltd | Real estate | 2024 |
| RA Cars HFD Ltd | Transport & logistics | 2025 |
| RA Cloud Solutions Ltd | Information & communication | 2025 |
| Raamtek Ltd | Manufacturing | 2025 |
| Rabia Latif Ltd | Administrative & support | 2017 |