| Fusion Home Care Ltd | Health & social care | 2023 |
| FYG Explorer Ltd | Administrative & support | 2009 |
| G & N Cook Limited | Agriculture & fishing | 2017 |
| G J Carpentry & Building Ltd | Construction | 2025 |
| G James IT Consultancy Limited | Information & communication | 2018 |
| G M Asbestos Limited | Administrative & support | 2025 |
| G. W. Windows Limited | Construction | 2003 |
| G1 Construction Consultants Ltd | Professional & scientific | 2007 |
| Galassify Limited | Information & communication | 2015 |
| Galsham Farm Limited | Hospitality | 2020 |
| Gardens and Land Marks Trust | Education | 2008 |
| Garland Mountaineering (SW) Ltd | Education | 2024 |
| Garland Mountaineering LLP | | 2026 |
| Gasmark (North Devon) Limited | Manufacturing | 2003 |
| GEN Trading (SW) Limited | Wholesale & retail | 2011 |
| GFE Holdings Ltd | Financial services | 2022 |
| Giffords LLP | | 2018 |
| Giffware Limited | Information & communication | 2021 |
| Gillylodge Limited | Construction | 1984 |
| Glacex LLP | | 2015 |
| Glazing Innovations Limited | Construction | 2023 |
| Glazing Innovations(Uk) Ltd | Construction | 2020 |
| Gmec Electrical Limited | Construction | 2007 |
| Goat Teamwear Ltd | Wholesale & retail | 2024 |
| Gobble Box Woolacombe Ltd | Hospitality | 2023 |
| Golden Bay Holiday Village (Westward HO!) Ltd | Hospitality | 2004 |
| Golden Bay Homes Ltd | Construction | 2014 |
| Golden Lion TAP Limited | Hospitality | 2015 |
| Goldstone Wolf Limited | Real estate | 2024 |
| Goodwood Carpentry Ltd | Manufacturing | 2016 |
| Grace & Glory Home Limited | Wholesale & retail | 2014 |
| Graeme Scott Furniture Limited | Manufacturing | 2007 |
| Graffiti Print Ltd | Manufacturing | 2003 |
| Graham Beever Limited | Construction | 2021 |
| Graham David Watts Limited | Construction | 2010 |
| Granary (Holdings) Limited | Financial services | 2012 |
| Gray Naval Architecture Ltd | Professional & scientific | 2009 |
| Great Stone F&B Ltd | Manufacturing | 2020 |
| Greedys Chuckwagon Ltd | Hospitality | 2021 |
| Green Cube Power Limited | Manufacturing | 2025 |
| Greencliff Energy Ltd | Construction | 2019 |
| Greencliff Group Ltd | Education | 2018 |
| Greencliff Holdings Ltd | Financial services | 2021 |
| Greencliff Limited | Construction | 2010 |
| Greencliff Property Ltd | Financial services | 2018 |
| Greenwood Consultancy ( UK ) Ltd | Professional & scientific | 2015 |
| Greg's Garden Services Limited | Administrative & support | 2003 |
| Grenville Bidco Limited | Extraterritorial | 2016 |
| Grenville Fade House Ltd | Other services | 2026 |
| Grenville Midco 1 Limited | Extraterritorial | 2016 |
| Grenville Midco 2 Limited | Extraterritorial | 2016 |
| Grenville Topco Limited | Extraterritorial | 2016 |
| Grey Suits Limited | Professional & scientific | 2000 |
| Griffiths Wesley Management Ltd | Households | 2007 |
| Grind Supply Co Limited | Wholesale & retail | 2019 |
| Grizlec Ltd | Construction | 2026 |
| Grizzly Fabrications LLP | | 2021 |
| GS Construct LLP | | 2021 |
| GS Financial Services Limited | Financial services | 2005 |
| Guarantor Security Limited | Administrative & support | 2003 |
| Gurkha Bideford Ltd | Hospitality | 2024 |
| GUY Harrop Photos Limited | Professional & scientific | 2003 |
| Gwel-Teg Glamping LLP | | 2019 |
| Gwerhouse Ltd | Financial services | 2026 |
| H Turrall & Co Limited | Manufacturing | 2005 |
| H&H Dynamo Limited | Construction | 2004 |
| Haje Limited | Professional & scientific | 2003 |
| Half Barn Garage Limited | Wholesale & retail | 2015 |
| Halford Sucks Ltd | Professional & scientific | 2022 |
| Hannah's Seafood Kitchen Limited | Hospitality | 2025 |
| Hanson Park Management Limited | Professional & scientific | 2002 |
| Happy Hares Nursery Limited | Health & social care | 2018 |
| Haramat Ltd | Administrative & support | 2014 |
| Harbourside Residents Limited | Hospitality | 1993 |
| Hard Bricks Holdings Limited | Real estate | 2018 |
| Harding & Co (Devon) Limited | Administrative & support | 2009 |
| Hare to Organise Ltd | Administrative & support | 2018 |
| Harlseywood (Bideford) Management Limited | Households | 2006 |
| Harlseywood Bideford SIX RTM Company Limited | Households | 2026 |
| Harmony Farms LLP | | 2022 |
| Harpers Art Limited | Manufacturing | 2012 |
| Hart of Hartland Ltd | Hospitality | 2024 |
| Hartech Motorsport Limited | Manufacturing | 2011 |
| Hartland Forest Golf Club Ltd | Administrative & support | 1983 |
| Hartley & Rose Limited | Professional & scientific | 2014 |
| Hartley and Rose Holidays Ltd | Hospitality | 2022 |
| Hbms Ventures Ltd | Real estate | 2025 |
| Headland Property Services Limited | Real estate | 2023 |
| Headlines Hair & Beauty Ltd | Other services | 2023 |
| Heanton Estates Limited | Construction | 1997 |
| Heard Developments Limited | Construction | 2011 |
| Heard Elliott Limited | Wholesale & retail | 1947 |
| Hearn Haulage Ltd | Transport & logistics | 2018 |
| Heart of Bakewell Limited | Real estate | 2021 |
| Heartfelt Innovations Limited | Manufacturing | 2013 |
| Hearth and Homes Lettings Ltd | Real estate | 2026 |
| Heatworks North Devon Limited | Construction | 2021 |
| Hedden Dairies Limited | Agriculture & fishing | 2026 |
| Hekla Limited | Construction | 2001 |
| Helen Bliss Consulting Limited | Professional & scientific | 2022 |