| Rubina Impex Limited | Wholesale & retail | 2005 |
| Ruby Railway Limited | Construction | 2017 |
| Ruffles Yarn Ltd | Wholesale & retail | 2021 |
| Ruffynes Barn Limited | Hospitality | 2023 |
| Rugby Radios (UK) Limited | Information & communication | 2016 |
| Rugby Tots East Kent Ltd | Education | 2022 |
| Running Shadow Ltd. | Professional & scientific | 2015 |
| Runwithituk Ltd | Wholesale & retail | 2026 |
| Rupakot PVT Ltd | Construction | 2021 |
| Rural Properties UK Limited | Construction | 1997 |
| RURAL4GBROADBAND Ltd | Wholesale & retail | 2020 |
| Ruripo Ltd | Information & communication | 2026 |
| Rusha Healthcare Ltd | Health & social care | 2026 |
| Rushbrook Farms Limited | Agriculture & fishing | 2012 |
| Rushford Lashenden Ltd | Professional & scientific | 2025 |
| Russell Geen Limited | Hospitality | 2022 |
| Russell Plant Hire Limited | Administrative & support | 2014 |
| Russell Taverns Ltd | Hospitality | 2018 |
| Russett Grange Freehold Ltd | Households | 2018 |
| Russett Grange Management Company Ashford Limited | Households | 2001 |
| Ruston Group Limited | Information & communication | 2011 |
| Rusved Ltd | Administrative & support | 2016 |
| Ruttan Care Services Ltd | Health & social care | 2016 |
| Ruxbury Court Residents Association (Ashford) Limited | Households | 2000 |
| RVG Consulting Services Ltd | Professional & scientific | 2024 |
| RVJ Investments Ltd | Real estate | 2024 |
| RVP Asset Management Ltd | Real estate | 2016 |
| RW Financial Consultancy Ltd | Real estate | 2020 |
| RW Roofing & Property Services Ltd | Construction | 2024 |
| RW Roofing Specialists Ltd | Construction | 2024 |
| RWD Homes Limited | Construction | 2023 |
| RWS Facilities Management Ltd | Administrative & support | 2022 |
| RX Architects Limited | Professional & scientific | 2016 |
| RX Studios Limited | Real estate | 2023 |
| Ryan Lettings LLP | | 2006 |
| Ryanham Investments Limited | Professional & scientific | 2006 |
| Rydeo Consulting Limited | Professional & scientific | 2023 |
| Ryder Partners Limited | Wholesale & retail | 2019 |
| RYE Bay Marine Limited | Manufacturing | 2022 |
| RYE Bay Studio Limited | Construction | 2022 |
| RYE HB Ltd | Hospitality | 2024 |
| RYE Roofing Limited | Construction | 2009 |
| Rylets Limited | Real estate | 2018 |
| Rypno Investments Ltd | Financial services | 2023 |
| Rytune Ltd | Wholesale & retail | 2020 |
| Ryty Properties Limited | Real estate | 2022 |
| Ryxproductions Ltd | Wholesale & retail | 2025 |
| Ryzo Bioscience Limited | Wholesale & retail | 2023 |
| S & a Randall Limited | Construction | 2011 |
| S & a Randall Property Limited | Real estate | 2024 |
| S & B Properties Surrey Limited | Real estate | 2017 |
| S & B Supplies Ltd | Wholesale & retail | 2024 |
| S & H Consultants Limited | Administrative & support | 2021 |
| S & O Homes Limited | Wholesale & retail | 2017 |
| S a Rural Services Ltd | Professional & scientific | 2012 |
| S a Therapy (Kent) Ltd | Health & social care | 2026 |
| S and J Property Investments (Kent) Ltd | Real estate | 2024 |
| S and J Scaffolding Limited | Construction | 2010 |
| S Class Consulting Limited | Administrative & support | 2022 |
| S D Building and Construction Ltd | Construction | 2020 |
| S Design & Construction Ltd | Construction | 2026 |
| S E Heritage Limited | Construction | 2025 |
| S Huggett Properties Ltd | Real estate | 2025 |
| S Humphrey Physiotherapy Ltd | Other services | 2023 |
| S J Barnes Limited | Agriculture & fishing | 2017 |
| S J Barton Holdings Limited | Financial services | 2025 |
| S J Pearce Flooring Ltd | Construction | 2026 |
| S J S Site Engineering Limited | Construction | 2015 |
| S J Sawkins Limited | Professional & scientific | 2014 |
| S K Engine Services Ltd | Professional & scientific | 2018 |
| S Lampton Property Consultants Ltd | Professional & scientific | 2022 |
| S Mcguinness Holdings Limited | Financial services | 2017 |
| S Mcguinness Properties Limited | Real estate | 2020 |
| S P Davis Plumbing and Heating Limited | Construction | 2007 |
| S S R Enterprises Ltd | Wholesale & retail | 2015 |
| S S Shariff Ltd | Health & social care | 2010 |
| S&B Building Group Limited | Construction | 2023 |
| S&B Detailing Ltd | Professional & scientific | 2012 |
| S&B Garage Ltd | Wholesale & retail | 2022 |
| S&B Trips & Tours Ltd | Administrative & support | 2022 |
| S&Dk Ltd | Professional & scientific | 2006 |
| S&G Food Safety Consulting Ltd | Professional & scientific | 2023 |
| S&M Cars Ltd | Wholesale & retail | 2024 |
| S&M Global Direct Limited | Wholesale & retail | 2021 |
| S&Qgroup Ltd | Transport & logistics | 2025 |
| S&S UK Properties Ltd | Real estate | 2023 |
| S&T Estate Services Ltd | Real estate | 2024 |
| S. E. a. Rail Limited | Construction | 2015 |
| S. Strover Electrical Ltd | Construction | 2018 |
| S. W. Investments (Kent) Limited | Real estate | 2024 |
| S.B.E. Ltd. | Manufacturing | 1996 |
| S.D Rutland Limited | Professional & scientific | 2012 |
| S.D. Designs (Ashford) Limited | Administrative & support | 2002 |
| S.E. Powerbase Limited | Construction | 1988 |
| S.G. Moloney Limited | Construction | 2014 |
| S.H. Cutting Jewellers (Ramsgate) Limited | Wholesale & retail | 2011 |
| S.H. Cutting Jewellers Limited | Wholesale & retail | 1989 |
| S.Hawkins Plumbing & Heating Ltd | Construction | 2022 |
| S.Kourtellis Ltd | Construction | 2017 |
| S.O.S. Office Supplies Limited | Wholesale & retail | 1981 |