| Ruah Educational Consultancy Ltd | Education | 2025 |
| Ruah Medical Limited | Health & social care | 2022 |
| Rubber International Specialists Limited | Wholesale & retail | 2026 |
| Rubber Product Experts Limited | Wholesale & retail | 2026 |
| Rubber Trans Ltd | Transport & logistics | 2018 |
| Rubicon Models UK Limited | Wholesale & retail | 2018 |
| Rubix Accountants Ltd | Extraterritorial | 2025 |
| Rubixx Solutions Limited | Information & communication | 2018 |
| Ruby Spice Enterprises Limited | Professional & scientific | 2009 |
| Ruby Spoon Limited | Wholesale & retail | 2020 |
| Ruby Vinyl Ltd | Extraterritorial | 2024 |
| Rubygirl Limited | Education | 2013 |
| Ruby’S Livery Yard Limited | Agriculture & fishing | 2025 |
| Rucodes Ltd | Information & communication | 2025 |
| Rudyard Lake Sailing Club | Arts & recreation | 1999 |
| Rudyard Lodges Limited | Real estate | 2023 |
| Ruelline Ltd | Health & social care | 2026 |
| Ruelowhill Ltd | Agriculture & fishing | 2021 |
| RUIULINHO92 Ltd | Transport & logistics | 2024 |
| Runes Maintenance Services Limited | Professional & scientific | 2022 |
| Runner Holdings Ltd | Financial services | 2024 |
| Runnervits Ltd | Manufacturing | 2025 |
| Rusd Property Management Limited | Real estate | 2025 |
| Rushton Accounting Ltd | Professional & scientific | 2025 |
| Rushton GAS Limited | Construction | 2022 |
| Rushton Investments Ltd | Real estate | 2021 |
| Rushton Projects Ltd | Construction | 2020 |
| Rushton Tower Internals Ltd | Construction | 2025 |
| Rushworks Limited | Construction | 2025 |
| Ruspen Ltd | Health & social care | 2022 |
| Rustic in House Ltd | Hospitality | 2018 |
| Ruthman Traders Ltd | Wholesale & retail | 2026 |
| RV Product Solutions Limited | Wholesale & retail | 2024 |
| Rvalentino Limited | Transport & logistics | 2026 |
| RVF Electronics Ltd | Professional & scientific | 2026 |
| Rvijay Enterprise Limited | Wholesale & retail | 2025 |
| RVN Developments Ltd | Real estate | 2015 |
| RVS Services (SOT) Limited | Wholesale & retail | 2020 |
| RVS Trailer Services Ltd | Manufacturing | 2024 |
| Ryan Hill Roofing Ltd | Construction | 2026 |
| Ryanworks Limited | Manufacturing | 2014 |
| Rylands Care Limited | Health & social care | 2005 |
| Rylow's Mechanics Ltd | Wholesale & retail | 2021 |
| RYT Build Limited | Construction | 2026 |
| S & a Car and Commercials Limited | Wholesale & retail | 2022 |
| S & H Automotive Limited | Wholesale & retail | 2025 |
| S & J Catering 2024 Limited | Hospitality | 2025 |
| S & K Testing Services Ltd. | Construction | 1998 |
| S & L Engine Services Ltd | Manufacturing | 2012 |
| S & L Maintenance Limited | Manufacturing | 2015 |
| S & L Services (Holdings) Limited | Financial services | 2020 |
| S & S Brickwork Contractors Limited | Construction | 2019 |
| S & S Wholesalers Limited | Wholesale & retail | 2019 |
| S & T Letting Solutions Ltd | Real estate | 2026 |
| S & Z Cars Ltd | Wholesale & retail | 2022 |
| S a Forrester Services Limited | Administrative & support | 2012 |
| S a J Enterprises Limited | Health & social care | 2022 |
| S Allman Property Ltd | Real estate | 2025 |
| S B & Sons Property Development Limited | Real estate | 2019 |
| S B Meredith Properties Ltd | Real estate | 2025 |
| S Clewlow (Civils) Ltd | Construction | 2009 |
| S Dulay Ltd | Real estate | 2017 |
| S E Cooke Ltd | Other services | 2003 |
| S Faraj Ltd | Wholesale & retail | 2023 |
| S G a Trade Ltd | Wholesale & retail | 2024 |
| S G Jones Ltd | Real estate | 2010 |
| S Gaming Limited | Information & communication | 2023 |
| S Gudsoorkar Limited | Health & social care | 2017 |
| S Hassall Ltd | Other services | 2025 |
| S J Accountancy Services Ltd | Professional & scientific | 2024 |
| S J Cleaning Solutions Ltd | Administrative & support | 2015 |
| S J Mannock Ltd | Administrative & support | 2018 |
| S J Ratcliffe (Builders) Ltd | Construction | 2013 |
| S J S Signalling Ltd | Construction | 2014 |
| S J W Earthmoving Ltd | Water & waste | 2009 |
| S J Walchester Group Limited | Administrative & support | 2019 |
| S J Walchester Ltd | Water & waste | 2007 |
| S J Walchester Recycling Limited | Water & waste | 2019 |
| S K Leese Limited | Wholesale & retail | 2003 |
| S L H Plumbing Ltd | Construction | 2006 |
| S M Harrison Holdings Limited | Financial services | 2026 |
| S O T Appliances Ltd | Wholesale & retail | 2023 |
| S P Builders & Construction Ltd | Construction | 2019 |
| S P W Group Limited | Professional & scientific | 2001 |
| S Plant Plumbing Limited | Construction | 2012 |
| S R D Vehicle Services Limited | Wholesale & retail | 2014 |
| S S Servives Limited | Construction | 2017 |
| S T Builders Group Ltd | Construction | 2026 |
| S T Global Private Limited | Professional & scientific | 2025 |
| S Tideswell Limited | Agriculture & fishing | 2010 |
| S V Infotech Limited | Information & communication | 2024 |
| S&C Shone Contractors Limited | Construction | 2017 |
| S&D Catering and Retail Ltd | Hospitality | 2025 |
| S&D Lees Holdings Ltd | Financial services | 2026 |
| S&D Media Ltd | Information & communication | 2025 |
| S&D999 Limited | Wholesale & retail | 2026 |
| S&G Limited | Manufacturing | 2025 |
| S&G Sports Ltd | Wholesale & retail | 2024 |
| S&J Cloud 9 Ltd | Health & social care | 2025 |
| S&K Direct Limited | Transport & logistics | 2020 |