| THE Horse & Groom (Holbeach) Limited | Hospitality | 2007 |
| THE Hygge Marketing Co. Ltd | Professional & scientific | 2022 |
| THE Independent Schools Association | Education | 1895 |
| THE Independent Schools Association (Trading) Limited | Education | 2016 |
| THE Indytute Limited | Other services | 2013 |
| THE International Skin and Aesthetics Academy Ltd | Education | 2019 |
| THE King's Arms (Saffron Walden) Limited | Hospitality | 2010 |
| THE Lady Godivas Strings Limited | Arts & recreation | 2023 |
| THE Laurels Mngmt Co Limited | Households | 2021 |
| THE Little HUT Under the Big Tree CIC | Education | 2025 |
| THE Locum Fairies Ltd | Health & social care | 2025 |
| THE LOG Works Limited | Manufacturing | 2025 |
| THE Love Letter England Limited | Wholesale & retail | 2025 |
| THE Meadows Pre-School Nursery Limited | Education | 2009 |
| THE Mind Atelier Limited | Health & social care | 2022 |
| THE Modern Garden Company Limited | Wholesale & retail | 1999 |
| THE Modern Table Ltd | Hospitality | 2019 |
| THE Nail Spa Saffron Walden Ltd | Other services | 2024 |
| THE National Academy of Specialist Cleaners Ltd | Education | 2021 |
| THE National Training Academy of Specialist Cleaners Ltd | Extraterritorial | 2021 |
| THE Oak Studio Limited | Administrative & support | 2004 |
| THE Office Cleaning Company (Essex) Ltd | Administrative & support | 2002 |
| THE Office of Future Interactions Ltd | Administrative & support | 2021 |
| THE Old Vicarage Residents Association Limited | Households | 1987 |
| THE Orchard Mngmt Co Limited | Households | 2021 |
| THE PA Lounge Ltd | Administrative & support | 2025 |
| THE Party Box (Franchising) Ltd | Other services | 2021 |
| THE Pelvic Therapy Suite Limited | Other services | 2026 |
| THE Perfect Cycle Limited | Wholesale & retail | 2022 |
| THE Plant Pantry Limited | Wholesale & retail | 2024 |
| THE Plough Bar & Grill Ltd | Hospitality | 2015 |
| THE Pocket Rocket Limited | Hospitality | 2004 |
| THE PUB AXE Limited | Hospitality | 2018 |
| THE Quince Field Limited | Real estate | 2024 |
| THE Refill Barn Ltd | Wholesale & retail | 2020 |
| THE Roadtrip to Ltd | Professional & scientific | 2025 |
| THE Roomer Interiors Ltd | Wholesale & retail | 2024 |
| THE Saffron Ice Cream Company Limited | Manufacturing | 2016 |
| THE Saffron Walden Court House Management Company Limited | Households | 2001 |
| THE Saffron Walden Injury Clinic Limited | Other services | 2024 |
| THE Shires (Saffron Walden) Management Company Limited | Administrative & support | 1987 |
| THE Slade (SW) Limited | Professional & scientific | 2017 |
| THE Sounding Limited | Professional & scientific | 2025 |
| THE Sounding Publishing Limited | Information & communication | 2026 |
| THE Spice Essex Ltd | Hospitality | 2020 |
| THE Stansted Accountant Ltd | Professional & scientific | 2026 |
| THE String Collection Limited | Arts & recreation | 2024 |
| THE Suture Store Limited | Administrative & support | 2011 |
| THE Sycamores (Saffron Walden) Management Limited | Households | 2013 |
| THE Thaxted Vets Ltd | Professional & scientific | 2011 |
| THE Toy Box (SW) Limited | Wholesale & retail | 2024 |
| THE Trawlerman Chippy Ltd | Hospitality | 2019 |
| THE Triple Chasm Company Ltd | Professional & scientific | 2020 |
| THE Unbranded Clothing Company Limited | Wholesale & retail | 2021 |
| THE United Kingdom Science Park Association | Other services | 1991 |
| THE Universal Soul Company Ltd | Extraterritorial | 2021 |
| THE Velvet Press Limited | Wholesale & retail | 2025 |
| THE Waffle Float Company Ltd | Other services | 2024 |
| THE Walden Shed CIC | Health & social care | 2026 |
| THE Willows Management Company (Farcet) Limited | Real estate | 2019 |
| THE Wine Agent Ltd | Hospitality | 2017 |
| THE Works Marketing Communications Limited | Professional & scientific | 1999 |
| THE Wright Trims Limited | Other services | 2025 |
| Thelermonthupton Limited | Professional & scientific | 2003 |
| Theluxurylab Limited | Wholesale & retail | 2013 |
| Theoeg (SW) Ltd | Hospitality | 2021 |
| This IS Mothership Limited | Information & communication | 2016 |
| Thokala Real Estate Limited | Real estate | 2022 |
| Thomson Fire Limited | Professional & scientific | 2014 |
| Thornham Consulting Limited | Professional & scientific | 2007 |
| Thornley Residential (GES) Limited | Construction | 2011 |
| Thornley Residential (Harston) Ltd | Construction | 2014 |
| Thornley Residential Limited | Construction | 2010 |
| Thos. G. Fairhead Farms Limited | Agriculture & fishing | 1953 |
| THR Properties London Limited | Real estate | 2026 |
| Thrillify Limited | Real estate | 2024 |
| Thrive in the Hive Ltd | Professional & scientific | 2024 |
| Thunderley Hall Farm Limited | Real estate | 2020 |
| Tidy Data Limited | Professional & scientific | 2024 |
| Tilnar Limited | Administrative & support | 2010 |
| Timewilltell Business Consultancy Ltd | Professional & scientific | 2006 |
| Tiptofts Lane (Saffron Walden) Management Company Limited | Real estate | 2015 |
| Tiptop Projects Ltd | Administrative & support | 2016 |
| TJM Metalwork Ltd | Manufacturing | 2021 |
| TOG Holdings Ltd | Administrative & support | 2020 |
| Tolo Ventures Ltd | Other services | 2021 |
| TOM Halliday Photography Ltd | Professional & scientific | 2015 |
| TOM Power Carpentry and Building Ltd | Construction | 2024 |
| TOM Prentice Design Ltd | Manufacturing | 2007 |
| Tomorrows World Innovation Ltd | Professional & scientific | 2006 |
| Tonic PR Limited | Professional & scientific | 2014 |
| Top Shop Fitting Ltd | Construction | 2024 |
| Tops N Tails Training Academy Ltd | Education | 2025 |
| Torrot UK Limited | Wholesale & retail | 2017 |
| Totem Construction Limited | Construction | 2018 |
| Town & Country Construction (UK) Limited | Construction | 2011 |
| Townhouse 1799 Limited | Real estate | 2024 |
| Townshend Capital Limited | Administrative & support | 2020 |
| Tpcc Interiors Ltd | Administrative & support | 2018 |
| TQ500 Limited | Wholesale & retail | 2019 |