| Grander Days Limited | Other services | 2020 |
| Grandstand Gatherings Limited | Hospitality | 2026 |
| Grant J Marsh Ltd. | Information & communication | 2006 |
| Grant Marsh Limited | Information & communication | 2018 |
| Grantpower Limited | Real estate | 2000 |
| Grants of Devon Ltd | Manufacturing | 2015 |
| Gray&Co Ltd | Hospitality | 2019 |
| Great Cliff (Dawlish) Ltd | Households | 2009 |
| Great Hill Property Developments Limited | Construction | 2017 |
| Green Grass Farm Limited | Real estate | 2018 |
| Green Mist Studio Limited | Wholesale & retail | 2026 |
| Green Smith Properties Ltd | Real estate | 2015 |
| Green Sound Ltd | Arts & recreation | 2014 |
| Greenbanks (Torquay) Limited | Households | 1989 |
| Greenbanks Teignmouth Management Company Limited | Real estate | 2001 |
| Greenbay Vets Ltd | Professional & scientific | 2014 |
| Greenway Chelston Management Company Limited | Households | 1993 |
| Greenwood Mills Limited | Construction | 1999 |
| Greg Beacock Limited | Construction | 2012 |
| Greigell Ltd | Real estate | 2019 |
| Greyslate Property Ltd | Real estate | 2022 |
| Gridclaim Limited | Households | 1985 |
| Grip Strength Limited | Other services | 2021 |
| Groundwork & Civils UK Ltd | Construction | 2019 |
| Grove House and Trafalgar Court RTM Company Limited | Households | 2011 |
| Grovesend Ventures (Europe) Limited | Construction | 2024 |
| Grovesend Ventures (UK) Limited | Construction | 2024 |
| GSJ Surfacing Ltd | Construction | 2025 |
| Gsll Heavens Ltd | Professional & scientific | 2010 |
| Gymano Ltd | Wholesale & retail | 2011 |
| H & Co (SW) Limited | Other services | 2018 |
| H D Kemsley Limited | Arts & recreation | 2018 |
| H Stinton Plumbing & Heating Ltd | Construction | 2024 |
| H&M Property Investors Ltd | Real estate | 2022 |
| H.M.H. Fibreglass Fabricated Products Limited | | 1977 |
| H2E Caravan Ltd. | Hospitality | 2021 |
| Haddington Land and Property Limited | Real estate | 2016 |
| Haddon Court (Paignton) Limited | Households | 1998 |
| Hadland & Co Ltd | Construction | 2022 |
| Hafan Homes Ltd | Real estate | 2019 |
| Hage Engineers Limited | Construction | 2020 |
| Hair @ Home Limited | Other services | 2005 |
| Hairazors Hairdressing Limited | Other services | 2009 |
| Haldons Ltd | Professional & scientific | 2007 |
| Haleburn Limited | Real estate | 2005 |
| Halien Limited | Information & communication | 2014 |
| Halls Detailing Ltd | Administrative & support | 2025 |
| Hamilton House Management Limited | Households | 2001 |
| Hampshire Accountancy Services Limited | Professional & scientific | 2005 |
| Hanbury Worden(South West) Limited | Real estate | 2002 |
| Handyworthy Limited | Households | 1987 |
| HAP (Holdings) Limited | Financial services | 2017 |
| Happaway Garage Ltd | Wholesale & retail | 2024 |
| Harberton Residents Management Company Limited | Households | 2009 |
| Harbour International Group Ltd | Financial services | 2017 |
| Harbour View (Torquay) Limited | Real estate | 2002 |
| Harbourside Taxis Torbay Limited | Transport & logistics | 2014 |
| Hardiman Coaching Ltd | Other services | 2026 |
| Harehound Holdings Limited | Financial services | 2026 |
| Harewood (Babbacombe) Management Company Limited | Households | 2007 |
| Hari Dent 2015 Limited | Health & social care | 2016 |
| Harmony Homes (Devon) Ltd | Construction | 2020 |
| Harmony Homes Finishings Limited | Construction | 2026 |
| Harris Pools and Leisure Limited | Construction | 1985 |
| Harrison Spence Limited | Professional & scientific | 2014 |
| Harrowby Property Ltd | Construction | 2014 |
| Hart Energy Limited | Real estate | 2024 |
| Hartland House Management Company (Torquay) Limited | Real estate | 1978 |
| Hartley Bay Lettings Ltd | Real estate | 2026 |
| Harvest Today EU Limited | Professional & scientific | 2021 |
| Harvester Fishing (Brixham) Limited | Agriculture & fishing | 2024 |
| Harvian Group Ltd | Financial services | 2026 |
| Hatcherabilia Ltd | Wholesale & retail | 2022 |
| Hatfield Nursery Limited | Other services | 2002 |
| Haus and Co Property Group Ltd | Real estate | 2024 |
| Havill Holdings Limited | Administrative & support | 1998 |
| Havills Electrical Limited | Construction | 2005 |
| Havills Exhibitions Limited | Construction | 2005 |
| Hayes Court Management Association Limited | Households | 1991 |
| Hayes Mews Management Company Limited | Households | 1992 |
| Hayes Opticians Ltd | Health & social care | 2008 |
| Haytor Trading Ltd | Wholesale & retail | 2012 |
| Hayward Financial Services Limited | Financial services | 2017 |
| Haze Dobson Properties Ltd | Real estate | 2025 |
| HBL Hotels Ltd | Hospitality | 2024 |
| Hbrf Ltd | Real estate | 2018 |
| HC Entertainment Ltd | Financial services | 2025 |
| Headland Electrical Solutions Limited | Construction | 2020 |
| Headland Properties Limited | Real estate | 2014 |
| Headlands Torbay Limited | Households | 1987 |
| Headway Holdings Limited | Extraterritorial | 2016 |
| Health and Life Consultants Limited | Health & social care | 2021 |
| Healthfood & Wellness Hub Limited | Wholesale & retail | 2021 |
| Healthy Happy People Limited | Arts & recreation | 2013 |
| Heat Pump Devon Ltd | Construction | 2023 |
| Heat-Rite Mechanical Services SW Ltd | Construction | 2016 |
| Heath Property Services Ltd | Construction | 2025 |
| Heathlands Court (Teignmouth) Limited | Real estate | 2001 |
| Heaviside Ltd | Professional & scientific | 2018 |
| Heightlimit Limited | Other services | 2025 |