| Rhythmic Records UK Ltd | Information & communication | 2019 |
| RLH Fabrications Ltd | Manufacturing | 2018 |
| Robin Lodge Associates Ltd | Professional & scientific | 2011 |
| Rock Beauty Junkie Limited | Wholesale & retail | 2018 |
| S J H Automotive Limited | Wholesale & retail | 2018 |
| S P Branding Limited | Extraterritorial | 2005 |
| Safer by Miles Ltd | Transport & logistics | 2023 |
| Sarah Sullivan Dog Training Ltd. | Education | 2013 |
| Sarah Sullivan Tutoring Ltd. | Education | 2013 |
| Sawkins Property Investments Limited | Real estate | 2025 |
| SB Agri Contractors Ltd | Agriculture & fishing | 2019 |
| SB Machinery Ltd | Wholesale & retail | 2019 |
| Scarletts Estate LLP | | 2006 |
| Screen Matrix Ltd. | Information & communication | 2010 |
| Seawinds Property Limited | Households | 2023 |
| Sentinel IOT UK Limited | Administrative & support | 2024 |
| Shift AI Technology Ltd | Information & communication | 2026 |
| Sifar Ltd | Professional & scientific | 2013 |
| Silver Lake Activities Ltd | Agriculture & fishing | 2021 |
| Simply Stoves Limited | Wholesale & retail | 2009 |
| Site Team (UK) Ltd | Extraterritorial | 2020 |
| Skmaddison Ltd. | Manufacturing | 2010 |
| Smifff's Limited | Real estate | 2009 |
| Sound Acoustic Solutions Ltd | Other services | 2016 |
| Southminster Brewery Limited | Professional & scientific | 2024 |
| Southminster Brewing Company Limited | Manufacturing | 2026 |
| Southminster Fish Bar Ltd | Hospitality | 2024 |
| Southminster MOT & Service Centre Ltd. | Wholesale & retail | 2010 |
| SP Joinery Limited | Manufacturing | 2020 |
| Sportastic Ltd | Education | 2015 |
| Sps-Essex Ltd | Construction | 2023 |
| ST Lawrence Spice Ltd | Hospitality | 2025 |
| St(Uk) Ltd | Extraterritorial | 2020 |
| Stewart Leasing Limited | Real estate | 2011 |
| Stitch Clothing Company Ltd. | Extraterritorial | 1997 |
| Stitch-Print Limited | Extraterritorial | 1996 |
| Stone Inn Property Management Ltd | Households | 2021 |
| Stone Inn Public House Ltd | Wholesale & retail | 2021 |
| Stone Watersports Club Limited(The) | Other services | 1977 |
| Stylesberg Property Ltd | Real estate | 2019 |
| Sullys Executive Travel Ltd | Transport & logistics | 2023 |
| Supreme Carpets & Blinds Limited | Wholesale & retail | 2003 |
| Suttons Court Hornchurch Limited | Households | 1998 |
| Sync'D App Ltd | Information & communication | 2026 |
| T Hazell GAS Ltd | Construction | 2019 |
| TCS Carpentry & Construction Ltd | Construction | 2021 |
| THE Finance Supermarket Ltd | Financial services | 2018 |
| THE K Head Bradwell on Sea Limited | Hospitality | 2024 |
| THE Little Self-Care Club Limited | Extraterritorial | 2023 |
| THE Lovely Shop Limited | Wholesale & retail | 2013 |
| THE Masterson Group Limited | Financial services | 2026 |
| THE New Leather Bottle Ltd | Hospitality | 2025 |
| THE Plovers (Management) Limited | Administrative & support | 1991 |
| THE Star Inn Steeple Limited | Hospitality | 2016 |
| THE UK Tech Butler Ltd | Other services | 2026 |
| THE Valeting GAL Ltd | Administrative & support | 2021 |
| The.Workshop Ltd | Manufacturing | 2024 |
| Tillingham and District Flower Show Limited | Arts & recreation | 2014 |
| TMG Horseboxes Limited | Wholesale & retail | 2023 |
| Trade Price Doors Limited | Manufacturing | 2021 |
| Transprotec Limited | Administrative & support | 2016 |
| Tree House Consulting Ltd | Administrative & support | 2014 |
| Trom Computers CIC | Wholesale & retail | 2021 |
| TSB Grocers Ltd | Hospitality | 2022 |
| Turtlepie Ltd | Information & communication | 2023 |
| UK Flooring for Less Limited | Wholesale & retail | 2021 |
| Van Hunters Ltd | Wholesale & retail | 2024 |
| Vindal Insulation Limited | Construction | 2012 |
| Virtually Rebecca Limited | Administrative & support | 2023 |
| Walkers Surveying & Estimating Services Ltd | Professional & scientific | 2017 |
| Wallington London Limited | Wholesale & retail | 2023 |
| Walls and Ceilings Ltd | Construction | 2019 |
| Whites X Ltd | Administrative & support | 2025 |
| Wibblers Brewery (Butchers) Limited | Wholesale & retail | 2021 |
| Wibblers Brewery (Catering) Limited | Hospitality | 2021 |
| Wibblers Brewery (Farms) Limited | Agriculture & fishing | 2010 |
| Wicks Point Management Company Limited | Professional & scientific | 1989 |
| William Procter Limited | Agriculture & fishing | 1982 |
| World Tech Solutions Ltd | Administrative & support | 2018 |
| Wrights Building and Land Maintenance Limited | Wholesale & retail | 2014 |
| Zander Circuitry Limited | Professional & scientific | 2019 |