| DMS Property Empire Limited | Real estate | 2023 |
| Dome Marketing Ltd | Professional & scientific | 2009 |
| Doris & Co. Ltd | Wholesale & retail | 2007 |
| Down Ridge Management Limited | Households | 1987 |
| DR Firstaid Limited | Education | 2018 |
| DR Paul Atkinson Limited | Professional & scientific | 2018 |
| Dragonfly Consultancy and Management Ltd | Administrative & support | 2017 |
| Drynham Lane Ltd. | Construction | 2021 |
| Duszi & Co Group Ltd | Wholesale & retail | 2020 |
| Dynamic Solutions XYZ Ltd | Manufacturing | 2022 |
| E Filtration Ltd | Wholesale & retail | 2024 |
| EA Automotive Ltd | Wholesale & retail | 2022 |
| Eagle Inn Chard Ltd | Hospitality | 2020 |
| Eagle Place South Street Taunton Limited | Households | 2015 |
| Eaka Europe Limited | Real estate | 2012 |
| East Devon Health Limited | Health & social care | 2016 |
| Echoreel Studios Ltd | Information & communication | 2026 |
| Edginton Racing Limited | Arts & recreation | 2005 |
| EE Holdings (South West) Limited | Financial services | 2022 |
| Eject Records UK Ltd | Information & communication | 2019 |
| Elaia Medical Ltd | Health & social care | 2022 |
| Elltiex Ltd | Professional & scientific | 2016 |
| Elmsleigh Health and Management Ltd | Health & social care | 2025 |
| Embers Fires and Flues Ltd | Construction | 2019 |
| Endeavour Court Management Co Limited | Households | 2013 |
| Engine Common Limited | Construction | 2023 |
| Enviraride Limited | Information & communication | 2025 |
| Envisage Windows & Doors Limited | Construction | 2025 |
| Epak Electronics Limited | Wholesale & retail | 1975 |
| Ermine (Yeovil) RTM Company Limited | Households | 2004 |
| Esec (U.K.) Limited | Professional & scientific | 1974 |
| Ether Images Limited | Health & social care | 2024 |
| Everard Properties (Somerset) Limited | Construction | 2025 |
| Evergreen Holdings Yeovil Ltd | Real estate | 2025 |
| EVO Bits N Bobs Limited | Wholesale & retail | 2018 |
| Exmouth Motor Club Limited | Arts & recreation | 1982 |
| Expert Air Limited | Construction | 2011 |
| F & R Networks Ltd | Information & communication | 2025 |
| Fern Countryside Services Limited | Agriculture & fishing | 2025 |
| Fibre FLO Limited | Construction | 2023 |
| Fine Choice Foods Limited | Wholesale & retail | 2005 |
| Fitness Pods Ltd | Arts & recreation | 2025 |
| Fivedials Temple Limited | Hospitality | 2026 |
| Flashlight Freelanders Limited | Wholesale & retail | 2019 |
| Flowervision (Nottingham) Limited | Wholesale & retail | 2006 |
| Flowervision Birmingham Limited | Wholesale & retail | 2012 |
| Flowervision Lancashire Limited | Wholesale & retail | 2014 |
| Forest & Forged Limited | Manufacturing | 2025 |
| Forever Hounds Trust | Other services | 2009 |
| Forge Legal Ltd | Professional & scientific | 2019 |
| Form-M-Tech Ltd | Information & communication | 2025 |
| Forton House Experience Ltd | Hospitality | 2018 |
| Fourth Wall Medical Ltd | Information & communication | 2017 |
| FOX Cavendish Ltd | Real estate | 2009 |
| FOX Training and Events Limited | Administrative & support | 2018 |
| Frederick Treves House Limited | Hospitality | 2005 |
| Fremantle Healthcare Limited | Health & social care | 2011 |
| Fresh Engineering Ltd | Professional & scientific | 2024 |
| Fruitify Labs Ltd | Information & communication | 2024 |
| Fuchsia Construction Limited | Construction | 2018 |
| Furnham Management Company Limited | Real estate | 2013 |
| Fusion Shelters (UK) Ltd | Wholesale & retail | 2002 |
| G.N.S. Limited | Transport & logistics | 1996 |
| Gabriel Finance Limited | Financial services | 1997 |
| Gale Plastic Products Limited | Manufacturing | 2012 |
| Gastro Consultant Worcester Ltd | Health & social care | 2023 |
| GB & SJ Limited | Hospitality | 2008 |
| GD Medical Consulting Ltd | Health & social care | 2025 |
| George Ayres Plumbing & Heating Ltd | Construction | 2025 |
| Gerrard Electrical Services Ltd | Construction | 2024 |
| Glascow Consulting Ltd | Professional & scientific | 2004 |
| Gleem Paint Solutions Ltd | Construction | 2023 |
| Gloucestershire Classic Cars Limited | Wholesale & retail | 2021 |
| Goldcoast Construction (South West) Ltd | Construction | 2024 |
| Gratton & Lund Ltd | Financial services | 2025 |
| Gratton Property & Construction Ltd | Construction | 2025 |
| Greenfields Cleaning Group Ltd | Administrative & support | 2016 |
| Grief Specialists CIC | Information & communication | 2022 |
| GTI Trading Limited | Extraterritorial | 2006 |
| Guparu Limited | Professional & scientific | 2022 |
| GUY Derbyshire Estate Agents Ltd | Real estate | 2002 |
| H & M Carpentry Limited | Construction | 2010 |
| Haines Hill House Ltd | Households | 2023 |
| Hamilton Court Management (Taunton) Limited | Households | 1975 |
| Handy-Movers- LP | | 2014 |
| Hants Services Limited | Manufacturing | 2004 |
| Happiness Planted Limited | Wholesale & retail | 2024 |
| Happy MED Ltd | Information & communication | 2022 |
| Harding Building & Groundworks Ltd | Construction | 2022 |
| Harries Cardiac Imaging Ltd | Extraterritorial | 2022 |
| Harris Autos Ltd | Wholesale & retail | 2026 |
| Haselbury Spirit Ltd | Wholesale & retail | 2015 |
| Havana House Hucknall Limited | Real estate | 2017 |
| Havercroft Medical Ltd | Real estate | 2021 |
| Hawks Rise RTM Company Ltd | Households | 2015 |
| HB Compliance Ltd | Professional & scientific | 2020 |
| Healthy Corinium CIC | Health & social care | 2021 |
| Heartwood Sussex LP | | 2018 |
| Heighway Construction Ltd | Construction | 2023 |
| Heighway Developments Ltd | Construction | 2026 |