| Quality Bodyworks Limited | Wholesale & retail | 2003 |
| Quality Kebab & Burger Ltd | Hospitality | 2015 |
| Quantec Limited | Financial services | 2015 |
| Quay Croft Estates Limited | Real estate | 2007 |
| Quinlan Properties Ltd | Real estate | 2020 |
| R & R Environmental Services Limited | Construction | 2004 |
| R&R Racing Ltd | Arts & recreation | 2025 |
| R.J. Dennis Electrical Limited | Wholesale & retail | 1997 |
| Raffman & Huckster Limited | Wholesale & retail | 2022 |
| Real Conversations Ltd | Information & communication | 2025 |
| Red Cabin Holdings Limited | Manufacturing | 2021 |
| Red Thread Reiki Ltd | Other services | 2018 |
| Redapt Ltd | Construction | 2020 |
| Reeflex Services Ltd | Professional & scientific | 2012 |
| Regional Network Solutions Limited | Administrative & support | 2010 |
| Rellensys Ltd | Professional & scientific | 2025 |
| Rgjh Services Ltd | Health & social care | 2020 |
| Richard Harvey PR Limited | Professional & scientific | 2007 |
| Richard Humphrey Consulting Ltd | Professional & scientific | 2018 |
| Richard Williams Voiceover Ltd | Information & communication | 2023 |
| Ripleys Garden Centre Staple Ltd | Wholesale & retail | 2025 |
| RJ Media & Motorsport Limited | Arts & recreation | 2015 |
| RJH Advisors Limited | Professional & scientific | 2013 |
| RLS Marketing Limited | Professional & scientific | 2022 |
| RM Cycles Ltd | Wholesale & retail | 2017 |
| RM Properties (Kent) Ltd | Real estate | 2020 |
| RM Self Storage Limited | Transport & logistics | 2022 |
| Robert Brissenden EDT Ltd | Professional & scientific | 2019 |
| Robert Dalton Associates Limited | Financial services | 2014 |
| Robert Reeve | | 1995 |
| Robert Timmons Furniture Limited | Wholesale & retail | 2003 |
| Robertsbridge 20/20 Limited | Transport & logistics | 1999 |
| Robosol Ltd | Information & communication | 2020 |
| Rockits SEN CIC | Health & social care | 2023 |
| Rockoil Projects Limited | Administrative & support | 2016 |
| Roger Molyneux Limited | Professional & scientific | 2003 |
| Romney Marsh Marine and Mouldings Limited | Manufacturing | 2015 |
| Rose Place Management Limited | Households | 2010 |
| Rosebarr Training Services Limited | Agriculture & fishing | 2025 |
| Rossmark Construction Limited | Construction | 1994 |
| Rotsvlei Care Ltd | Health & social care | 2022 |
| RPJ Leadwork Limited | Construction | 2005 |
| RTJ New Homes Limited | Construction | 2026 |
| Ruby’S Let’S Ltd Ltd | Households | 2026 |
| RWA Consultants Limited | Professional & scientific | 2021 |
| RYE Bay Property Holdings Ltd | Real estate | 2024 |
| S J Gray Ltd | Agriculture & fishing | 2018 |
| S M B Groundworks Ltd | Construction | 2015 |
| Sage Light Studios Limited | Information & communication | 2025 |
| Salmart Limited | Professional & scientific | 2011 |
| SAM COX Holdings Limited | Financial services | 2023 |
| SAM COX IP Limited | Administrative & support | 2023 |
| SAM COX Limited | Arts & recreation | 2017 |
| SAM Jarvis Homes Ltd | Construction | 2024 |
| SAM Jarvis Properties Limited | Construction | 2010 |
| Sarstrong Limited | Households | 1989 |
| SB Land Procurement Ltd | Real estate | 2020 |
| Scott Stevens Golf Limited | Arts & recreation | 2019 |
| Scott Walmsley Financial Services Limited | Financial services | 2014 |
| Scrubland Limited | Real estate | 2018 |
| Seal of Approval Ltd. | Education | 2012 |
| Seasons Wild & Free Ltd | Wholesale & retail | 2021 |
| Sellers Investments South East Ltd | Real estate | 2025 |
| Senate Consulting Limited | Construction | 2010 |
| Senate Properties Ltd | Real estate | 2024 |
| Sentinel Communications Limited | Professional & scientific | 2014 |
| Seren Welch Consulting Ltd | Professional & scientific | 2012 |
| Shawford Ltd | Financial services | 2013 |
| Shepherds Croft Estates Limited | Real estate | 1999 |
| Shepherds Quay Limited | Real estate | 2010 |
| Shimmin Limited | Administrative & support | 2004 |
| Shivanova | Arts & recreation | 1995 |
| Shoemen Limited | Agriculture & fishing | 2004 |
| Sicilian Away Ltd | Wholesale & retail | 2019 |
| Sid's Emporium Ltd | Wholesale & retail | 2025 |
| Signs, Safety & Surveys Ltd | Manufacturing | 2012 |
| Silhouette Property Consultancy Ltd | Professional & scientific | 2019 |
| Sinclair-Smith Consultancy Limited | Professional & scientific | 2011 |
| SJ Tate Ltd | Financial services | 2025 |
| Skill Quest Global Ltd | Education | 2026 |
| Skin & Beauty Clinic Limited | Professional & scientific | 2021 |
| Skylarkk Ltd | Other services | 2025 |
| SMB: the School of Music Business Ltd | Education | 2016 |
| Snack-E-Snack Ltd | Wholesale & retail | 2025 |
| Solutions APT Limited | Extraterritorial | 2012 |
| SON of Bernard Limited | Professional & scientific | 2017 |
| Sonbro Ltd | Construction | 2017 |
| South East Airports Limited | Transport & logistics | 1987 |
| South East Coast Property Limited | Construction | 2003 |
| South East Crushers Ltd | Administrative & support | 2025 |
| South East Vineyard Services Ltd | Agriculture & fishing | 2024 |
| Southcott Ventures Limited | Real estate | 2026 |
| Southern Vertical Transportation Services Ltd | Construction | 2025 |
| Southolme Holdings Limited | Administrative & support | 2003 |
| Spaarc Ltd | Education | 2024 |
| SPD Supplies Ltd | Wholesale & retail | 2019 |
| Spedtec Limited | Professional & scientific | 2016 |
| Speedy Swimming Limited | Education | 2019 |
| Spell Accountants Limited | Professional & scientific | 2023 |
| Spirit of Tenterden CIC | Other services | 2019 |