| Rockbridge Financial Solutions Ltd | Administrative & support | 2022 |
| Rocketman Advisory Limited | Information & communication | 2024 |
| Rockmillions Ltd | Professional & scientific | 2022 |
| Rockmore Limited | Information & communication | 2016 |
| Rockridge Construction Ltd | Construction | 2025 |
| Rodak Building Services Limited | Construction | 2010 |
| Rogate Property Consultancy LLP | | 2002 |
| Roger Goldfinch & Sons Ltd | Construction | 2018 |
| Roja Enterprises Ltd | Real estate | 2017 |
| Roja Kent Limited | Administrative & support | 2016 |
| Roks Design Limited | Professional & scientific | 2013 |
| Roman ROW Management Company Limited | Households | 2010 |
| Romann Limited | Real estate | 1996 |
| Romsey Health and Physio Limited | Health & social care | 2025 |
| Romsey Physio Holdings Limited | Health & social care | 2026 |
| Ronnie Mccombe Consulting LLP | | 2019 |
| Roocou Limited | Wholesale & retail | 2019 |
| Roofing (South East) Ltd | Construction | 2015 |
| Roofing Supply Centre Limited | Construction | 2016 |
| Roohmank Mart Limited | Wholesale & retail | 2025 |
| Roomfit Ltd | Hospitality | 2015 |
| Root & Plate Ltd | Manufacturing | 2013 |
| Rootpath Ltd. | Professional & scientific | 2013 |
| Rosapenna Ltd | Professional & scientific | 2026 |
| Rose Inn Public House Ltd | Other services | 2017 |
| Rose Lane (Stelling Minnis) Management Company Limited | Households | 2020 |
| Rosebell Properties Limited | Real estate | 2011 |
| Roseland Properties (S.E.) Limited | Construction | 2006 |
| Roselands Property Limited | Administrative & support | 2011 |
| Rosen Rentals Limited | Real estate | 2006 |
| Roses Tearoom & Thrift Shop CIC | Wholesale & retail | 2016 |
| Ross Banna Ltd | Wholesale & retail | 2014 |
| Rotaxi Ltd | Construction | 2022 |
| Roud Recycling Ltd | Transport & logistics | 2006 |
| Roundfleet Limited | Real estate | 1992 |
| Roussel Consulting Ltd | Information & communication | 2022 |
| Routhliff Residential Properties Limited | Real estate | 1995 |
| Rowan Tree Dramatherapy Community Interest Company | Other services | 2013 |
| Rowland Property Limited | Real estate | 2010 |
| Royston Depox Ltd | Wholesale & retail | 2023 |
| RPB Holdings Ltd | Financial services | 2020 |
| Rpmworks Limited | Construction | 2025 |
| RRR Services Ltd | Transport & logistics | 2026 |
| RTN Mental Health Solutions Limited | Health & social care | 2019 |
| RTS Logistics Ltd | Transport & logistics | 2026 |
| Rufatto Motors Ltd | Wholesale & retail | 2024 |
| Rufatto Property Ltd | Real estate | 2023 |
| Rules Based Solutions Ltd | Information & communication | 2017 |
| Rumbar Limited | Hospitality | 2002 |
| Run & Race Limited | Information & communication | 2012 |
| Runout Record Club Ltd | Wholesale & retail | 2020 |
| Ruposhi Global Limited | Wholesale & retail | 2022 |
| Ruqaya Limited | Health & social care | 2013 |
| Ruravation Limited | Construction | 2013 |
| Rush Sale.Co.Uk Ltd | Wholesale & retail | 2023 |
| Rushcliffe Group Services Ltd | Administrative & support | 2023 |
| Rusko Care Limited | Wholesale & retail | 2013 |
| Russcut Limited | Professional & scientific | 2010 |
| Russett Farm Management Co Ltd | Real estate | 2006 |
| Rusta Properties Ltd | Real estate | 2020 |
| Rusta Taxi Ltd | Transport & logistics | 2021 |
| Rustys Restoration Limited | Wholesale & retail | 2015 |
| RV Commerce Ltd | Wholesale & retail | 2021 |
| RVN Infotech Ltd | Information & communication | 2014 |
| RW Carpentry Developments Limited | Construction | 2014 |
| Ryan EDY Limited | Extraterritorial | 2015 |
| Ryan Property Solutions Ltd | Real estate | 2026 |
| Ryana & Transport Ltd | Construction | 2022 |
| Ryanna Ltd | Wholesale & retail | 2021 |
| RYK (Kent) Ltd | Construction | 2017 |
| Rypd Ltd | Construction | 2022 |
| S 5 International Limited | Transport & logistics | 2016 |
| S and F Signalling Ltd | Transport & logistics | 2014 |
| S Barbers Ltd | Other services | 2018 |
| S J Barnes Property Limited | Real estate | 2024 |
| S J Solutions ARB Limited | Agriculture & fishing | 2014 |
| S Walton Services Ltd | Transport & logistics | 2025 |
| S Wright Civil Engineers Ltd | Construction | 2013 |
| S&B Elite Developments Ltd | Administrative & support | 2022 |
| S&B Elite Holdings Ltd | Financial services | 2024 |
| S&D Sparkle Services Ltd | Water & waste | 2025 |
| S&T Plumbing and Heating Ltd | Construction | 2026 |
| S. E. Driveways Limited | Construction | 2014 |
| S.D.Webb Floors Limited | Construction | 2019 |
| S.T. Abbott Holdings Limited | Professional & scientific | 2000 |
| S.T.Abbott Limited | Construction | 1968 |
| S.W. Mount (Holdings) Limited | Administrative & support | 2003 |
| S.W.Mount & Sons Limited | Agriculture & fishing | 1958 |
| S0STA Ltd | Other services | 2019 |
| Sadhra Holdings Ltd | Financial services | 2023 |
| SAE Consulting Ltd | Professional & scientific | 2021 |
| SAF Services Ltd | Transport & logistics | 2021 |
| SAF UL Malouk Limited | Wholesale & retail | 2025 |
| Safari Zimbabwe Ltd | Administrative & support | 2018 |
| Safe Space Coaching Ltd | Health & social care | 2022 |
| Safe-Aces Ltd | Professional & scientific | 2026 |
| Safetech Scaffolding Services Ltd | Construction | 2024 |
| Saftey Managment Consultancy Ltd | Households | 2025 |
| Sagebytes Ltd | Health & social care | 2014 |
| Sail Britain Limited | Education | 2017 |