| Sylvester Cheung Architects Limited | Professional & scientific | 2013 |
| Sysonby Knoll Hotel Limited | Extraterritorial | 2001 |
| T & AW Investments Ltd | Households | 2024 |
| T & M Property Maintenance Limited | Construction | 2011 |
| T Denman and Sons Limited | Construction | 2015 |
| T J Findlay Forestry Ltd | Agriculture & fishing | 2022 |
| T R Services (UK) Limited | Construction | 2003 |
| T Rowbotham Limited | Transport & logistics | 1997 |
| T T Services (UK) Limited | Construction | 2001 |
| T Titan Timber Ltd | Agriculture & fishing | 2022 |
| T.K.V.K Associates Limited | Wholesale & retail | 1999 |
| T.M.Turbayne Limited | Real estate | 1962 |
| T.V.R. Management Services Limited | Professional & scientific | 1994 |
| T3 Design Group Ltd | Professional & scientific | 2006 |
| Tail Lift Plus Ltd | Manufacturing | 2022 |
| Talisman Energy Limited | Real estate | 2011 |
| Tambora Limited | Construction | 2019 |
| Tangary Solutions Ltd | Information & communication | 2023 |
| Target Brewery Limited | Manufacturing | 2014 |
| Tariro Care Limited | Health & social care | 2023 |
| Taste & Light Ltd | Hospitality | 2014 |
| Tate Services Limited | Administrative & support | 2021 |
| Tauperlep Limited | Real estate | 2011 |
| Taylor and Co Interiors Ltd | Manufacturing | 2020 |
| TCH Creatives Limited | Professional & scientific | 2024 |
| TCS Heating & Plumbing Ltd | Construction | 2023 |
| Teal International Limited | Wholesale & retail | 2008 |
| Team Dennistead Limited | Real estate | 2017 |
| Technical Foodies Limited | Professional & scientific | 2008 |
| Technostrat Ltd | Professional & scientific | 2015 |
| Teeup Golf Holidays Limited | Administrative & support | 2024 |
| Tempstone Ltd | Construction | 2018 |
| Tengo Consultancy Ltd | Information & communication | 2018 |
| Tera: the Kindness Project Ltd | Other services | 2024 |
| Terra Wines Limited | Wholesale & retail | 2012 |
| Tffpc Ltd | Information & communication | 2022 |
| TGP Projects Limited | Construction | 2026 |
| Thai Melton Ltd | Hospitality | 2025 |
| THAI@34 Limited | Hospitality | 2024 |
| THE 1860 PUB Co Ltd | Hospitality | 2025 |
| THE 3MIND Writing Company Limited | Professional & scientific | 2021 |
| THE Anchor Inn MM Limited | Hospitality | 2014 |
| THE Andersons Centre LLP | | 2014 |
| THE Appy Way Enterprise Ltd | Hospitality | 2024 |
| THE Black Therapy Hub CIC | Education | 2024 |
| THE Boat Inn (MM) Ltd | Hospitality | 2015 |
| THE Britain-Russia Centre and the British East-West Centre | Other services | 1961 |
| THE Brunswick Brewing Co Ltd | Manufacturing | 2013 |
| THE Business Hub Work Experience CIC | Education | 2025 |
| THE Canine Collective Group Ltd | Wholesale & retail | 2026 |
| THE Cartridge Company Limited | Wholesale & retail | 2021 |
| THE Code Bureau Limited | Information & communication | 2022 |
| THE Combined Regions Limited | Arts & recreation | 2000 |
| THE Cookie Dealer Ltd | Manufacturing | 2020 |
| THE Countryside Accountants Ltd | Professional & scientific | 2001 |
| THE Courtyard Barns Wartnaby Limited | Hospitality | 2022 |
| THE Croft Property Group and Lettings Limited | Real estate | 2025 |
| THE Crown Window System Limited | Manufacturing | 2020 |
| THE Design Barn Limited | Wholesale & retail | 2016 |
| THE Digital Form Consultants Limited | Information & communication | 2016 |
| THE Dog House (Leicester) Ltd | Other services | 2017 |
| THE Eden (Melton) Ltd | Hospitality | 2026 |
| THE Entry Club Ltd | Arts & recreation | 2025 |
| THE Fairtrading Post Limited | Wholesale & retail | 2005 |
| THE Fishermans Inn, Wells Limited | Real estate | 2025 |
| THE Flavourists Limited | Extraterritorial | 2005 |
| THE Flower Basin Limited | Wholesale & retail | 2015 |
| THE Future Collective Limited | Professional & scientific | 2020 |
| THE G R J Contracting Holdings Limited | Construction | 2014 |
| THE Gables Management Company (Long Clawson) Limited | Administrative & support | 2007 |
| THE Glass Pantry Ltd | Hospitality | 2009 |
| THE Glorious Explosion Coffee Co Ltd | Wholesale & retail | 2025 |
| THE GUN Dog Clinic Ltd | Professional & scientific | 2025 |
| THE Heathcote Group Ltd | Other services | 2024 |
| THE High Street Experts Ltd | Administrative & support | 2022 |
| THE Hothi Heart and Imaging Clinic Ltd | Health & social care | 2019 |
| THE House of Paws Limited | Wholesale & retail | 2006 |
| THE IAN Young Social Enterprise Ltd | Education | 2015 |
| THE Insomnia Clinic Ltd | Health & social care | 2017 |
| THE Jennings Group Ltd | Extraterritorial | 2019 |
| THE Kitsch HEN Limited | Manufacturing | 2019 |
| THE Landscape Consultancy Group Limited | Professional & scientific | 2025 |
| THE Leadworks (UK) Limited | Construction | 2006 |
| THE Lean Pantry Company Stamford Ltd | Hospitality | 2017 |
| THE Learning Element Limited | Administrative & support | 2017 |
| THE Leicester Landscaping Company Ltd | Construction | 2019 |
| THE Musson Farming Company Ltd | Agriculture & fishing | 2019 |
| THE ODD Clock Ltd | Hospitality | 2022 |
| THE Old Brewery Court (Somerby) Management Company Limited | Real estate | 2010 |
| THE Orchard Home and Gifts LLP | | 2008 |
| THE Paddocks Management (Thorpe Satchville) Limited | Professional & scientific | 1999 |
| THE Paint Research Association Limited | Professional & scientific | 2022 |
| THE Pavings(Melton Mowbray) Ltd | Households | 2011 |
| THE Plastic Printing Company Limited | Manufacturing | 2007 |
| THE Plumbing Company Midlands Ltd | Construction | 2026 |
| THE Real Leadership Consultancy Ltd | Professional & scientific | 2020 |
| THE Real Wrap Co. Ltd | Hospitality | 2012 |
| THE Rented Wardrobe Ltd | Wholesale & retail | 2025 |
| THE Ridings (Asfordby) Management Company Limited | Real estate | 2005 |
| THE Right GRP Limited | Manufacturing | 2017 |