| Dart Research Limited | Manufacturing | 2008 |
| Dartmouth Crab Company Ltd | Wholesale & retail | 2009 |
| David Redman (UK) Limited | Administrative & support | 2010 |
| Davids Fish and Chips Ltd | Hospitality | 2021 |
| Davidson Fine Art Limited | Administrative & support | 2005 |
| DBC Design Limited | Administrative & support | 2007 |
| DC Civil Engineering and Surfacing Ltd | Construction | 2019 |
| DEA Torbay Ltd | Professional & scientific | 2018 |
| Define the Light Ltd | Professional & scientific | 2015 |
| Denham Procurement and Sourcing Solutions Limited | Professional & scientific | 2014 |
| Denham Properties SW Limited | Real estate | 2020 |
| Design by Form Ltd | Manufacturing | 2019 |
| Deskitup Ltd | Wholesale & retail | 2021 |
| Devon Comics Ltd | Wholesale & retail | 2026 |
| Devon Custom Homes Ltd | Construction | 2018 |
| Devon Direct Insurance Services Limited | Financial services | 2004 |
| Devon Fire & Security Ltd | Manufacturing | 2018 |
| Devon Home Farm Estates Limited | Administrative & support | 2018 |
| Devon Osprey Partnership CIC | Professional & scientific | 2024 |
| Devon Sea Swim Ltd | Arts & recreation | 2021 |
| Devoncoast Limited | Hospitality | 2000 |
| Devoncourt Property Services Limited | Real estate | 1997 |
| Devoncourt Riviera Limited | Hospitality | 1998 |
| Devonian Limited | Agriculture & fishing | 2004 |
| Devonshire Hospitality Company Ltd | Wholesale & retail | 2023 |
| Devonshire Real Estate Limited | Real estate | 2014 |
| Devonweddingentertainment Ltd | Arts & recreation | 2021 |
| DH Developments SW Ltd | Real estate | 2025 |
| Dillydally Limited | Hospitality | 2019 |
| Dix-Sept Consulting Limited | Professional & scientific | 2019 |
| Dixons Flooring Devon Ltd | Construction | 2020 |
| Dolphin Boatyard Ltd | Manufacturing | 1956 |
| Dolphin Chandlery Limited | Wholesale & retail | 2025 |
| Dove Quality Solutions Limited | Professional & scientific | 2016 |
| DPG Utility Solutions Limited | Construction | 2019 |
| Dragons Force Limited | Transport & logistics | 2019 |
| Drake Properties Ltd | Real estate | 2015 |
| Dumnonii Consulting Limited | Professional & scientific | 2023 |
| Dyson Construction (SW) Ltd | Construction | 2020 |
| E - Konsult Limited | Information & communication | 1999 |
| E. Chamberlaine & SON Limited | Real estate | 1958 |
| Eagledivers Limited | Professional & scientific | 2019 |
| Ecotherm Heating & Renewables Ltd | Construction | 2023 |
| Eden Lettings & Property Management Limited | Real estate | 2012 |
| EJH Associates Limited | Administrative & support | 2012 |
| Elegant Exterior Solutions Ltd | Construction | 2026 |
| Elements Urns and Memorials Limited | Wholesale & retail | 2009 |
| ELEV8WEST Limited | Real estate | 2020 |
| EM Properties Abroad Ltd | Real estate | 2025 |
| Emma Stone Optical Limited | Health & social care | 2013 |
| Energy Efficient Plumbing & Heating Limited | Construction | 2014 |
| Engineering Delivery Solutions Ltd | Professional & scientific | 2015 |
| Envy Skin Ltd | Other services | 2022 |
| Epc-Torbay Ltd | Professional & scientific | 2022 |
| Essex Interiors Limited | Construction | 2003 |
| Eureka! Foundation | Education | 2002 |
| Euro-Gas Management Services Limited | Wholesale & retail | 1958 |
| Euroclydon Limited | Agriculture & fishing | 2003 |
| Evans Family Foods Ltd | Hospitality | 2023 |
| Event Devon Ltd | Professional & scientific | 2025 |
| F & P Properties Ltd | Real estate | 2021 |
| Fairview Loft Conversions Ltd | Construction | 2018 |
| Fairway Close Residents Association Limited | Households | 1989 |
| Farrier Tech Limited | Wholesale & retail | 2021 |
| Ferrymans View Limited | Real estate | 2004 |
| Fish for ALL Limited | Wholesale & retail | 2003 |
| Fishermans Loft Limited | Real estate | 2004 |
| Fishlures.Co.Uk Limited | Wholesale & retail | 2020 |
| FLY Bassano Limited | Other services | 2018 |
| Forge and Loft Management Co Ltd | Real estate | 2023 |
| Frog Talk Limited | Education | 2016 |
| Fullers (SW) Ltd | Hospitality | 2018 |
| Furnish Ltd | Wholesale & retail | 2005 |
| G.A. Auto Services (SW) Limited | Wholesale & retail | 2014 |
| G.B.Services Brixham Ltd | Agriculture & fishing | 2021 |
| Galmpton Pre-School Ltd | Education | 2004 |
| Gazzard Business Partnerships Limited | Information & communication | 2002 |
| Gemwalk Properties Limited | Real estate | 1999 |
| Genesis Rose Fishing Ltd | Agriculture & fishing | 2025 |
| George Morris Property Ltd | Real estate | 2022 |
| Geovey Ltd | Information & communication | 2025 |
| Gilroy Enterprises Limited | Agriculture & fishing | 2020 |
| Girl Debra Limited | Agriculture & fishing | 2005 |
| Glade Property Network Ltd | Professional & scientific | 2019 |
| Glow Salon Ltd | Other services | 2026 |
| Gooseberry Inns (2016) Limited | Hospitality | 2016 |
| Gooseberry Inns Limited | Hospitality | 2006 |
| Green Beacon Consulting Ltd | Professional & scientific | 2023 |
| Green Farm Egypt Limited | Hospitality | 2021 |
| Green Haze Leisure Limited | Hospitality | 2000 |
| Green Property Specialists Ltd | Construction | 2023 |
| Greenstix Limited | Professional & scientific | 2011 |
| Greenswood Court Management 2011 Ltd | Households | 2011 |
| Greenway Group Holdings Ltd | Real estate | 2024 |
| Greystone Motor Company Ltd | Wholesale & retail | 2018 |
| Grosvenor House Accountants Limited | Professional & scientific | 2002 |
| Haile Hall Limited | Administrative & support | 2004 |
| HAIRS2GO Ltd | Other services | 2019 |
| Haldon Financial Limited | Financial services | 2010 |
| Haldon Financial Review Limited | Financial services | 2017 |