| THE Delman Group Limited | Real estate | 2019 |
| THE Design Industry Ltd | Professional & scientific | 2020 |
| THE Design Shop (Swindon) Limited | Construction | 1999 |
| THE Diet Lady Limited | Wholesale & retail | 2012 |
| THE Dog Space Ltd | Other services | 2021 |
| THE Dog's Barnetts Ltd | Other services | 2021 |
| THE Donkey Limited | Hospitality | 2012 |
| THE Dorcan Academy | Education | 2011 |
| THE Dores Inn Limited | Hospitality | 2014 |
| THE Double Glazing Doctor Limited | Construction | 1995 |
| THE Drapery Bakery Ltd | Wholesale & retail | 2024 |
| THE Driving Genie Limited | Education | 2019 |
| THE DT Group Audit LLP | | 2025 |
| THE Earl of Radnor Limited | Hospitality | 2019 |
| THE Economics Academy Ltd | Education | 2024 |
| THE Electric Highway Company Limited | Energy | 2013 |
| THE Electrical Compliance Collective Ltd | Construction | 2011 |
| THE Elements (SPV) Ltd | Construction | 2018 |
| THE Emporium of Loveliness Ltd | Wholesale & retail | 2022 |
| THE English Heritage Trust | Arts & recreation | 2010 |
| THE European Dolphin Safe Monitoring Organisation Limited | Professional & scientific | 1999 |
| THE Extension Company UK Ltd | | 2009 |
| THE F D Centre Limited | Professional & scientific | 2001 |
| THE Faikelnic Group Limited | Real estate | 2021 |
| THE Fairway Broome Limited | Households | 2017 |
| THE Fairy Craftmother Ltd | Manufacturing | 2021 |
| THE Faith in ME CIC | Health & social care | 2025 |
| THE Faithful Servant Limited | Construction | 2020 |
| THE Faithful Stewards Ltd | Professional & scientific | 2025 |
| THE Family Restaurant Ltd | Hospitality | 2024 |
| THE Family Shutter Co Ltd | Wholesale & retail | 2023 |
| THE FD Centre (2011) LP | | 2011 |
| THE Feelings Hub Limited | Health & social care | 2022 |
| THE Field Camping Ltd | Hospitality | 2025 |
| THE Film Farmers Ltd | Administrative & support | 2017 |
| THE Filter TAP Company Limited | Wholesale & retail | 2025 |
| THE Floating Lodge Company Ltd | Other services | 2017 |
| THE Floral Studio Limited | Arts & recreation | 2002 |
| THE Flourishing Entrepreneur Ltd | Education | 2016 |
| THE Flower POT Swindon Ltd | Wholesale & retail | 2025 |
| THE Flower Vault Ltd | Wholesale & retail | 2025 |
| THE Flying Plumber Limited | Construction | 2025 |
| THE Food Space Ltd | Hospitality | 2022 |
| THE Fountain Inn 1 Stroud Ltd | Hospitality | 2018 |
| THE Freke Arms Limited | Hospitality | 2026 |
| THE Friends of Swindon Railway Museum Limited | Arts & recreation | 1988 |
| THE Fuelcard Company UK Limited | Wholesale & retail | 2006 |
| THE Fussy Chef Limited | Hospitality | 2024 |
| THE G Company UK Limited | Transport & logistics | 2004 |
| THE Gallops Limited | Households | 2007 |
| THE Garage Door Specialist Limited | Construction | 2009 |
| THE GAS Chick Ltd | Manufacturing | 2026 |
| THE Gert Lush PUB Co Limited | Hospitality | 2012 |
| THE Giant Party Shop Limited | Real estate | 2002 |
| THE Ginger Spinner Ltd | Arts & recreation | 2023 |
| THE Gloss Shop Ltd | Wholesale & retail | 2018 |
| THE Good Dough Ltd | Hospitality | 2026 |
| THE Good Shepherd Care Services Ltd | Administrative & support | 2017 |
| THE Gourmet Goat Farmer Limited | Agriculture & fishing | 2010 |
| THE Grange (Drove Road) Management Company Limited | Households | 1993 |
| THE Grange Equestrian Centre Ltd | Arts & recreation | 2025 |
| THE Grange Freeholders Limited | Households | 2008 |
| THE Great India Foody Factory Ltd | Hospitality | 2023 |
| THE Great Upgrade Renovation Ltd | Construction | 2018 |
| THE Greenslade Family Foundation | Administrative & support | 2017 |
| THE Greensman Lawn Care Ltd | Administrative & support | 2025 |
| THE Greyhound Management Co Limited | Real estate | 2010 |
| THE Grill One Limited | Hospitality | 2022 |
| THE Group Travel Company Ltd | Professional & scientific | 2019 |
| THE Guelder Rose Florist Ltd | Wholesale & retail | 2025 |
| THE Gyalpo & Brothers Ltd | Real estate | 2021 |
| THE Hair Group Cirencester Limited | Other services | 2023 |
| THE Hairpin Company Limited | Wholesale & retail | 2004 |
| THE Hanway Press Limited | Information & communication | 2000 |
| THE Hayden Partnership Limited | Administrative & support | 1999 |
| THE Hazells Management Company Limited | Households | 1989 |
| THE Health Consultancy Ltd | Professional & scientific | 2022 |
| THE Health Hub Swindon Ltd | Other services | 2020 |
| THE Highworth Hotel Limited | Hospitality | 2022 |
| THE Hills Group Limited | Professional & scientific | 1980 |
| THE Historic England Foundation | Education | 2017 |
| THE Hogg Group Limited | Administrative & support | 2023 |
| THE Hollies Wind Farm Limited | Energy | 2005 |
| THE Homebuilding Centre (Holdings) Limited | Administrative & support | 2014 |
| THE Homebuilding Centre Ltd | Real estate | 2013 |
| THE Honest Guys Limited | Information & communication | 2014 |
| THE HOP Kettle Brewing Company Limited | Hospitality | 2007 |
| THE Horgan Group Limited | Hospitality | 2018 |
| THE Horseshoe Mildenhall Ltd | Hospitality | 2016 |
| THE Hot Spot Solar Company Ltd | Construction | 2025 |
| THE Hub @ Toothill Community Interest Company | Arts & recreation | 2018 |
| THE Hub Travel Services Limited | Administrative & support | 2014 |
| THE I T Service Management Forum International Limited | Other services | 2004 |
| THE Inkjet People Limited | Wholesale & retail | 2002 |
| THE INS and Outs Limited | Administrative & support | 2025 |
| THE Insolvency Company SW Ltd | Financial services | 2016 |
| THE Invisible Path Ltd | Health & social care | 2025 |
| THE IV Juice Bar Ltd | Health & social care | 2024 |
| THE Jadé Art Collectives Limited | Wholesale & retail | 2023 |
| THE Journal Office Limited | Professional & scientific | 2012 |