| R & R Sports Courses Ltd | Arts & recreation | 2014 |
| R & R T/A Nick's Newsmarket Limited | Wholesale & retail | 2008 |
| R a House Limited | Construction | 2018 |
| R a Martin Holdings Limited | Professional & scientific | 2010 |
| R a Saunders Consulting Limited | Professional & scientific | 2021 |
| R a Steelwork Services Ltd | Manufacturing | 2016 |
| R Adames Electrical Ltd | Construction | 2018 |
| R and K Trade Ltd | Wholesale & retail | 2024 |
| R and N Hire Ltd | Transport & logistics | 2020 |
| R B Security Limited | Administrative & support | 2003 |
| R C Russell Electrical Limited | Construction | 2014 |
| R C Turner Ltd | Hospitality | 2015 |
| R C. Heating & Plumbing Limited | Construction | 2007 |
| R D Cooks Ltd | Manufacturing | 2024 |
| R E a P Systems Ltd. | Manufacturing | 2003 |
| R F E Maintenance Ltd. | Construction | 2003 |
| R G N Electrical Ltd | Construction | 2010 |
| R Goody Engineering Limited | Manufacturing | 1990 |
| R H Farnham Ltd | Other services | 2021 |
| R H Anderson LLP | | 2012 |
| R H Hammond and Sons Limited | Construction | 2019 |
| R J Brink Ltd | Professional & scientific | 2012 |
| R J Fisher Limited | Construction | 2018 |
| R J Gale Limited | Construction | 2006 |
| R J H Parker Limited | Administrative & support | 2013 |
| R J Masters Limited | Administrative & support | 2016 |
| R J Monk Plumbing & Heating Limited | Construction | 2002 |
| R Johnson Family Funeral Directors Ltd | Other services | 2026 |
| R L Consultancy Limited | Water & waste | 2025 |
| R L Stokes Financial Services Ltd | Financial services | 2021 |
| R M Kitchens and Alterations Ltd | Construction | 2011 |
| R MAY Limited | Construction | 2015 |
| R Mcdowell Engineering Ltd | Professional & scientific | 2023 |
| R N R Cleaning Services Ltd | Administrative & support | 2023 |
| R Norris Electrical Services Limited | Construction | 2007 |
| R Owton (Wholesale Butchers) Limited | Manufacturing | 2005 |
| R Reflections Ltd | Wholesale & retail | 2019 |
| R Rowe Developments Ltd | Construction | 2024 |
| R S Baker Ltd | Real estate | 2024 |
| R S Mechanical & Electrical Limited | Construction | 2011 |
| R Standen Limited | Other services | 2022 |
| R V Carpentry & Building Ltd | Manufacturing | 2017 |
| R Wilson Services Limited | Construction | 2003 |
| R&A Property Services (Hampshire) Ltd. | Administrative & support | 2021 |
| R&B Lighting Limited | Construction | 2019 |
| R&C Groundworks Ltd | Construction | 2024 |
| R&C Improvements Ltd | Construction | 2025 |
| R&D Events and Hospitality Ltd | Hospitality | 2019 |
| R&D Lila Investment Ltd | Real estate | 2024 |
| R&D Tax UK Limited | Professional & scientific | 2008 |
| R&E Vision Ltd | Education | 2019 |
| R&G Building Solutions Ltd | Construction | 2019 |
| R&K Bakery Ltd | Manufacturing | 2025 |
| R&L Cleaning Services Ltd | Administrative & support | 2022 |
| R&M Investment Group Ltd | Real estate | 2025 |
| R&M Mobile Repairs Ltd | Other services | 2026 |
| R&T Queensway Limited | Wholesale & retail | 2019 |
| R&W Bpms Limited | Wholesale & retail | 2012 |
| R&W Environmental Ltd | Water & waste | 2015 |
| R. Beckwith Limited | Construction | 2007 |
| R. H. Pardy Moving and Storage Limited | Transport & logistics | 2012 |
| R. K. Marine Limited | Manufacturing | 1988 |
| R. Stan Marine Limited | Manufacturing | 2017 |
| R.A.Redman Limited | Construction | 2008 |
| R.A.Y Cargo Ltd | Transport & logistics | 2024 |
| R.C. Dowman Limited | Real estate | 2000 |
| R.C.G. Transport Services Ltd | Transport & logistics | 2017 |
| R.F.A. Contractors Holdings Limited | Financial services | 2015 |
| R.F.A. Contractors Limited | Construction | 1994 |
| R.Fitzwilliams Limited | Real estate | 1937 |
| R.G. Beattie Limited | Construction | 1992 |
| R.I.S.A. Raven Inspiring Sport Activity & Childcare Ltd. | Health & social care | 2019 |
| R.J. Parker & SON Limited | Professional & scientific | 1967 |
| R.J. Wilson Steel Erection Ltd | Construction | 1999 |
| R.J.Z. Limited | Information & communication | 2011 |
| R.K DRY Lining Ltd | Construction | 2012 |
| R.O Plumbing Ltd | Construction | 2020 |
| R.O.M. Scaffolding Services Limited | Construction | 2002 |
| R.P.K. Solution Ltd | Professional & scientific | 2022 |
| R.V.J. Future Limited | Administrative & support | 2007 |
| R0G3RS Investments Limited | Professional & scientific | 2017 |
| R1DEFENCE Limited | Information & communication | 2025 |
| R2W2 Group Ltd | Professional & scientific | 2026 |
| R5 MSS Limited | Wholesale & retail | 2014 |
| R8 Lofts Ltd | Construction | 2012 |
| RA Dispute Resolution Ltd | Professional & scientific | 2021 |
| RAB Plumbing & Heating Services Ltd | Construction | 2025 |
| Rab-Uk Ltd | Wholesale & retail | 2026 |
| Rabbani Property Holdings Limited | Real estate | 2016 |
| Rabbaniblog Ltd | Information & communication | 2025 |
| Rabiomass Limited | Wholesale & retail | 2011 |
| RAC Building & Construction Ltd | Construction | 2018 |
| Raca Properties Limited | Real estate | 2024 |
| Racb Consulting Ltd | Professional & scientific | 2026 |
| Race Space Limited | Information & communication | 2014 |
| Racedata Solutions Ltd | Arts & recreation | 2014 |
| Rachard House (Southampton) Management Limited | Households | 1983 |
| Rachel Woodland Coaching Ltd | Arts & recreation | 2023 |
| Rachel’S Laser Lounge Ltd | Other services | 2024 |
| Racquets Management Company Limited | Households | 2007 |