| Redbridge Estates Limited | Construction | 2020 |
| Rentacherrytree Limited | Wholesale & retail | 2012 |
| Research Maze Ltd | Information & communication | 2016 |
| Retail UK 1 Ltd | Other services | 2018 |
| Retrotec Limited | Manufacturing | 1994 |
| Revelo Salvage Limited | Wholesale & retail | 2016 |
| Revive and Build Limited | Construction | 2023 |
| RGB Services Limited | Construction | 2015 |
| Rhias Glade Management Company Ltd | Real estate | 2025 |
| Ring Sights Defence Group Limited | Public administration | 2002 |
| Ripley's Plastering Ltd | Construction | 2026 |
| Riverside Cottage Camping Ltd | Hospitality | 2017 |
| Robert Harris Communications Ltd | Professional & scientific | 2012 |
| Robert Machin Limited | Extraterritorial | 2008 |
| Robert Rose Vehicle Restorations Ltd | Wholesale & retail | 2026 |
| Rock Channel Quay Management Company Limited | Real estate | 1987 |
| Roll With the Vinyl Limited | Hospitality | 2025 |
| Romney Castle Holdings Limited | Financial services | 2015 |
| Roots Hastings LLP | | 2015 |
| Rosa Fish Limited | Hospitality | 2025 |
| Ross MCG Limited | Manufacturing | 2023 |
| Rother Meads Enterprises Limited | Arts & recreation | 2026 |
| Rother Meads Tennis and Games Club Limited(The) | Arts & recreation | 1922 |
| Rother Tyres Ltd | Wholesale & retail | 2024 |
| Rovic Limited | Professional & scientific | 2019 |
| Rowan Plowden Design Limited | Administrative & support | 2014 |
| RPD Trading Ltd | Professional & scientific | 2023 |
| Ruby Moon Ltd | Arts & recreation | 2000 |
| Rumi RYE Ltd | Real estate | 2026 |
| Russell Leisure Holdings Ltd | Financial services | 2023 |
| RYE & Beyond Holiday Cottages Ltd | Hospitality | 2021 |
| RYE and District Chamber of Commerce | Other services | 2000 |
| RYE Barbers Ltd | Other services | 2025 |
| RYE Bay Metals Ltd | Wholesale & retail | 2026 |
| RYE Bay Plumbing Limited | Construction | 2024 |
| RYE Christmas Festival Limited | Arts & recreation | 2020 |
| RYE Community Centre Association | Real estate | 2000 |
| RYE Cookshop Ltd | Wholesale & retail | 2016 |
| RYE Creative Centre Community Interest Company | Arts & recreation | 2020 |
| RYE Cricket Club Limited | Arts & recreation | 2016 |
| RYE Dance Centre Limited | Arts & recreation | 2003 |
| RYE Electrical Services Ltd | Construction | 2025 |
| RYE FIX Ltd | Construction | 2022 |
| RYE Food and Drink Limited | Wholesale & retail | 2003 |
| RYE Harbour Self Storage Limited | Administrative & support | 2024 |
| RYE Jazz Cafe Ltd | Hospitality | 2025 |
| RYE Jazz Club Ltd | Hospitality | 2022 |
| RYE Museum Association | Arts & recreation | 1996 |
| RYE News (UK) Ltd CIC | Information & communication | 2015 |
| RYE Nominees Limited | Households | 2022 |
| RYE Osteopathic Practice Limited | Health & social care | 2008 |
| RYE Partnership | Public administration | 2003 |
| RYE Plumbing & Heating Services Ltd | Construction | 2025 |
| RYE Remedies Limited | Wholesale & retail | 2018 |
| RYE Retreats & Rural Hideaways Ltd | Hospitality | 2025 |
| RYE Scaffolding Ltd | Construction | 2026 |
| RYE Seafood Bar & Restaurant Limited | Hospitality | 2025 |
| RYE Shoes Limited | Wholesale & retail | 2016 |
| RYE Town Barbers Limited | Other services | 2022 |
| RYE Van and Rural Vehicle Servicing Limited | Wholesale & retail | 2006 |
| RYE Youth Zone CIC | Education | 2024 |
| S Khanna Ltd | Health & social care | 2015 |
| Saheb Limited | Hospitality | 2011 |
| Sailors of RYE Ltd | Wholesale & retail | 2020 |
| Salts Farm Limited | Real estate | 2019 |
| Sandpiper Close (Appledore) Management Limited | Households | 2024 |
| Savant Travel Ltd. | Other services | 2023 |
| Scena Holdings Limited | Professional & scientific | 1993 |
| Scena Limited | Construction | 2002 |
| Scena Management Services LLP | | 2016 |
| Scena Productions (London) Ltd | Construction | 2022 |
| Scena Productions LLP | | 2009 |
| Scena Projects Limited | Construction | 1994 |
| Scotia Wealth Limited | Real estate | 2019 |
| Seachange Studio Ltd | Professional & scientific | 2020 |
| Seal Pools Limited | Construction | 2009 |
| Seaport Engineers Limited | Administrative & support | 2000 |
| SFC RYE Ltd | Hospitality | 2025 |
| SGS Distribution Limited | Hospitality | 2025 |
| SGS Enterprises Limited | Wholesale & retail | 2022 |
| Shefcom Limited | Public administration | 2011 |
| Shelly's Limited | Wholesale & retail | 2023 |
| Sherbourne Valley Community Ltd | Households | 2019 |
| Sherbourne Valley Field Limited | Transport & logistics | 2021 |
| Sids Media Limited | Information & communication | 2015 |
| Sigma Computer Consultants Limited | Hospitality | 2000 |
| Simon Milne Limited | Real estate | 2011 |
| Simply Commerce Ltd | Professional & scientific | 2015 |
| Sincura Arts Limited | Wholesale & retail | 2015 |
| Sincura Concierge Limited | Administrative & support | 2014 |
| Sincura Holdings Limited | Financial services | 2019 |
| Sincura Lifestyle Ltd | Administrative & support | 2017 |
| Sincura Tickets Limited | Wholesale & retail | 2014 |
| Sknj Ltd | Wholesale & retail | 2024 |
| Smiles Unlimited Dorset Limited | Health & social care | 2019 |
| Smiles Unlimited Investments Limited | Real estate | 2023 |
| Smilevalley Limited | Health & social care | 2020 |
| Sodapop Limited | Manufacturing | 2023 |
| Solution Services Ltd | Information & communication | 2022 |
| Source Oneness Ltd | Professional & scientific | 2022 |