| Rustic Relics Ltd | Wholesale & retail | 2024 |
| Ruthkitchen Ltd | Hospitality | 2018 |
| Rutland Project Ltd | Professional & scientific | 2024 |
| RUX Europe Ltd | Wholesale & retail | 2024 |
| RV Orbit Ltd | Real estate | 2025 |
| RVN Healthcare Ltd | Health & social care | 2022 |
| RVN Labs Ltd | Information & communication | 2026 |
| Rvremovals&Courier Limited | Transport & logistics | 2026 |
| RVV Ltd | Professional & scientific | 2013 |
| RW Beauty Brand Limited | Other services | 2021 |
| RW Beauty Europe Limited | Other services | 2021 |
| RW Beauty Franchising Ltd | Other services | 2021 |
| RW Beauty Group Limited | Other services | 2021 |
| RW Beauty Next Limited | Other services | 2021 |
| RW Beauty Shopping Centres Limited | Other services | 2021 |
| RW High Performance Ltd | Real estate | 2020 |
| RWA Cars Ltd | Wholesale & retail | 2024 |
| RWG Investments Ltd | Professional & scientific | 2018 |
| Rwgd London Ltd | Construction | 2020 |
| Rwplastering Ltd | Construction | 2022 |
| RX Online Ltd | Wholesale & retail | 2019 |
| RY Solutions Ltd | Information & communication | 2021 |
| Ryaisha Academy Ltd | Education | 2024 |
| Ryan Fine Wines Limited | Wholesale & retail | 2011 |
| Ryanppty Limited | Real estate | 2019 |
| Rycek Engineering Ltd | Other services | 2020 |
| Rylahs Babywear Ltd | Wholesale & retail | 2023 |
| RYN Technology Ltd | Financial services | 2025 |
| Rythem UK Ltd | Wholesale & retail | 2021 |
| Ryvers School | Education | 2012 |
| Ryyanfishmonger Limited | Wholesale & retail | 2020 |
| RZ Solutions Ltd | Information & communication | 2024 |
| RZX Ltd | Construction | 2025 |
| S & I Maintenance Ltd | Construction | 2022 |
| S & P Properties Build Ltd | Construction | 2024 |
| S & S Logistic Services Ltd | Transport & logistics | 2020 |
| S & S Permium Services Ltd | Transport & logistics | 2020 |
| S & S Superstores Limited | Wholesale & retail | 2009 |
| S 'Triple' a Ltd | Real estate | 2013 |
| S 4 Assets Ltd | Real estate | 2024 |
| S a a Properties Limited | Real estate | 2015 |
| S a Automotive Ltd | Wholesale & retail | 2025 |
| S a Rahman Consulting Ltd | Information & communication | 2011 |
| S a Sparks Electrical Ltd | Construction | 2014 |
| S Accommodation UK Ltd | Hospitality | 2023 |
| S C Shares Limited | Financial services | 2023 |
| S D Vision Limited | Wholesale & retail | 2024 |
| S Dhillon Investments Limited | Real estate | 2023 |
| S F Randhawa Construction Ltd | Construction | 2022 |
| S Fresh Naan Ltd | Manufacturing | 2024 |
| S G Brothers Bodyshop Ltd | Wholesale & retail | 2023 |
| S Gokhale Ltd | Information & communication | 2021 |
| S Gray Development's Ltd | Construction | 2023 |
| S I U Y a Ltd | Education | 2025 |
| S Imran Khan Ltd | Wholesale & retail | 2021 |
| S Joshi Ltd | Real estate | 2021 |
| S K Electrical Works Limited | Construction | 2014 |
| S Kang Construction Ltd | Construction | 2020 |
| S M London Scaffolding Ltd | Construction | 2025 |
| S M S Dhaliwal Transport Limited | Transport & logistics | 2020 |
| S Mukundu Limited | Professional & scientific | 2013 |
| S N Enterprise Ltd | Real estate | 2008 |
| S N Hire Ltd | Administrative & support | 2019 |
| S N S Exports Service UK Limited | Wholesale & retail | 2020 |
| S O'Connor Windows Limited | Construction | 2015 |
| S PAL Transport Limited | Transport & logistics | 2025 |
| S S Cargo Services Limited | Transport & logistics | 2024 |
| S S UK Homes Limited | Real estate | 2022 |
| S Sharma Limited | Information & communication | 2015 |
| S Singh Property Enterprise Limited | Real estate | 2023 |
| S U T Medical Trading Limited | Manufacturing | 2026 |
| S V Building Services Ltd | Construction | 2022 |
| S Vithlani Ltd | Health & social care | 2025 |
| S&A Sangha Limited | Real estate | 2021 |
| S&B Convenience Store Ltd | Wholesale & retail | 2023 |
| S&C Clinics Limited | Health & social care | 2023 |
| S&D Express Limited | Transport & logistics | 2016 |
| S&D Transport Ltd | Transport & logistics | 2019 |
| S&H Imports Ltd | Information & communication | 2022 |
| S&J Acceleration Ltd | Real estate | 2021 |
| S&J Realty Limited | Real estate | 2025 |
| S&K Double Glazing Ltd | Construction | 2023 |
| S&N Residency Ltd | Real estate | 2022 |
| S&P Limited | Hospitality | 2025 |
| S&S Prime Realty Ltd | Real estate | 2021 |
| S&S UK Property Ltd | Real estate | 2017 |
| S&W Cars Ltd | Wholesale & retail | 2025 |
| S&Y International Ltd | Transport & logistics | 2025 |
| S&Z Logistics Ltd | Transport & logistics | 2025 |
| S&Z Transport Ltd | Transport & logistics | 2022 |
| S-Cube Solutions Ltd | Information & communication | 2015 |
| S-Line Motors Limited | Wholesale & retail | 2012 |
| S-Tara Plumbing & Heating Ltd | Construction | 2014 |
| S. H. Real Estate Ltd | Real estate | 2020 |
| S.B Cargos Ltd | Transport & logistics | 2026 |
| S.H.R. Services Ltd | Transport & logistics | 2019 |
| S.K Car Parts Ltd | Wholesale & retail | 2025 |
| S.K. Prime Estates Builders Ltd | Real estate | 2025 |
| S.K. Prime Estates Solutions Ltd | Real estate | 2025 |
| S.M UK Constructions Limited | Construction | 2018 |