| Quantum Research & Management Limited | Information & communication | 2024 |
| Quantum Risk Solutions Limited | Information & communication | 2023 |
| Quantumind Ltd | Education | 2024 |
| Quarrystone Limited | Wholesale & retail | 2019 |
| Quatrov Limited | Administrative & support | 2010 |
| Quattro (Ilkley) Ltd | Construction | 2019 |
| Quattro IT Solutions Limited | Information & communication | 2021 |
| Quattro Property Services Limited | Real estate | 2010 |
| Qube Research Peptides Ltd | Professional & scientific | 2026 |
| Queline Investments Limited | Real estate | 2005 |
| Quelltech International Ltd. | Professional & scientific | 2012 |
| Ques Spice Ltd | Hospitality | 2022 |
| Quest Garage Equipment Limited | Manufacturing | 2011 |
| Questech Recruitment Limited | Administrative & support | 2010 |
| Quick Move Housing Limited | Real estate | 2021 |
| Quick View Ltd Ltd | Health & social care | 2019 |
| Quickline Limited | Professional & scientific | 2011 |
| Quickly Finance Limited | Other services | 2007 |
| Quicksilver Health Limited | Health & social care | 2023 |
| Quinque Fratres Ltd | Real estate | 2024 |
| Qweza UK Limited | Wholesale & retail | 2021 |
| R & J Foster Ltd | Construction | 2018 |
| R & J Selby Limited | Construction | 2019 |
| R a Lister Limited | Professional & scientific | 2009 |
| R a Metal Works Ltd | Manufacturing | 2014 |
| R B Cullen Plant Hire Ltd | Administrative & support | 2010 |
| R C Ward Construction (Wakefield) Limited | Construction | 2010 |
| R Craven Limited | Transport & logistics | 2023 |
| R D Commercials Limited | Wholesale & retail | 2005 |
| R Eley Solutions Ltd | Construction | 2024 |
| R F Joy Limited | Professional & scientific | 2026 |
| R H Binks & Sons (Horbury) Ltd | Wholesale & retail | 2024 |
| R H Binks & Sons Ltd | Wholesale & retail | 2020 |
| R H K Solutions Limited | Administrative & support | 2022 |
| R Hoyland Tractor Parts Limited | Wholesale & retail | 2014 |
| R J Burgess (Crofton) Limited | Other services | 2018 |
| R K J Joinery & Construction Limited | Manufacturing | 2008 |
| R Maison Ltd | Hospitality | 2025 |
| R New Rope Access Welding Specialists Ltd | Professional & scientific | 2018 |
| R P Davis Consultancy and Brokerage Limited | Financial services | 2024 |
| R Spice Wakefield Limited | Hospitality | 2017 |
| R Sweeting of Leeds Limited | Transport & logistics | 2007 |
| R Tassi Ltd | Construction | 2015 |
| R Toomes & SON Ltd | Construction | 2008 |
| R Yadav Limited | Health & social care | 2018 |
| R&B Digital Ltd | Education | 2020 |
| R&H Investment Properties Ltd | Real estate | 2022 |
| R&N Logistics & Daughters Limited | Administrative & support | 2017 |
| R&T Asset Ltd | Hospitality | 2025 |
| R&T Operations Ltd | Hospitality | 2025 |
| R. and B. Electrical Engineers Limited | Construction | 2005 |
| R. L. Civil Engineering Ltd | Construction | 2018 |
| R.& K.Wise Limited | Professional & scientific | 1944 |
| R.A. Nicholls (Builders) Limited | Real estate | 1985 |
| R.E. Haran & SON Limited | Construction | 1996 |
| R.H.Brow Developments Ltd | Construction | 2017 |
| R.S Wakenge Limited | Health & social care | 2024 |
| R.Z Foods Ltd | Hospitality | 2024 |
| RA & SA Limited | Construction | 2021 |
| Raac Inspectors Ltd | Professional & scientific | 2011 |
| RAB Construction Limited | Construction | 2009 |
| Rabz Collections Limited | Wholesale & retail | 2020 |
| Racedream Limited | Health & social care | 2002 |
| Rachael TS Limited | Health & social care | 2025 |
| Rachel Brooke Developments Limited | Construction | 2014 |
| Rachel Hughes Business Consultant Limited | Administrative & support | 2011 |
| Rachel Smith Properties Ltd | Real estate | 2025 |
| Radical Holdings Ltd | Wholesale & retail | 2023 |
| Radici Plastics U.K. Ltd | Wholesale & retail | 1971 |
| Radio Jingles 24 Limited | Information & communication | 2020 |
| Radon Action Ltd | Financial services | 2015 |
| Radu&Nicolas Ltd | Transport & logistics | 2017 |
| RAF UK Transport Ltd | Transport & logistics | 2023 |
| Rafa Investments Ltd | Real estate | 2019 |
| Rafaminx Limited | | 1976 |
| Raffle Moon Online Ltd | Extraterritorial | 2019 |
| Rafi Rehab & Recovery Ltd | Arts & recreation | 2024 |
| Rahat Bakers and Sweets UK Limited | Wholesale & retail | 2025 |
| Raheem Holdings Limited | Hospitality | 2026 |
| Raif Pharma Ltd | Wholesale & retail | 2023 |
| Raif Property Ltd | Real estate | 2024 |
| Raikeswood Properties Limited | Real estate | 2024 |
| Raimund Consulting Limited | Information & communication | 2021 |
| Rainbow 3STAR Ltd | Health & social care | 2019 |
| Rainbow Play Rooms Limited | Hospitality | 2020 |
| Rainbow Tyres Ltd | Wholesale & retail | 2021 |
| Rainbow Wakefield Ltd | Hospitality | 2025 |
| Raine Services (Yorkshire) Limited | Information & communication | 2022 |
| Raines Nominees Ltd | Administrative & support | 2019 |
| Raise Lift Services Ltd | Other services | 2012 |
| RAJ Pall Working Jewellers Ltd | Wholesale & retail | 2015 |
| Raja Services London Ltd | Other services | 2020 |
| Raja's Pizza Keighley Ltd | Hospitality | 2022 |
| Rajchem Limited | Wholesale & retail | 2003 |
| Rajson Ltd | Real estate | 2012 |
| Rama Naturals Ltd | Manufacturing | 2023 |
| Ramic Transport Limited | Transport & logistics | 2026 |
| Rammelburgblick Betriebs Limited | Administrative & support | 2005 |
| Rank One Property Solutions Ltd | Real estate | 2017 |
| RAO Logistics Ltd | Transport & logistics | 2026 |