| Great Big APE Limited | Financial services | 2016 |
| Great British Confectionery Group Limited | Manufacturing | 2017 |
| Great British Fudge Company Ltd | Wholesale & retail | 2024 |
| Great Homes Ltd | Real estate | 2019 |
| Great Mead Conveyancing Limited | Professional & scientific | 2026 |
| Great Western Assured Growth Limited | Real estate | 1990 |
| Great Western Hotel (Exeter) Limited | Hospitality | 2003 |
| Green and White Healthcare Limited | Professional & scientific | 2024 |
| Green Beam Construction Limited | Construction | 2022 |
| Green Brick Property Group Limited | Real estate | 2024 |
| Green Carpathia Ltd | Information & communication | 2026 |
| Green Choice Homes Ltd | Construction | 2021 |
| Green Circle Feeds Ltd | Manufacturing | 2021 |
| Green Concept Landscapes Limited | Administrative & support | 2012 |
| Green Cross Consultancy Limited | Professional & scientific | 2021 |
| Green Door Cottages Management Company Limited | Households | 2025 |
| Green Earth Solutions Ltd | Construction | 2024 |
| Green Energy Technologies Limited | Other services | 2008 |
| Green Fabric Construction Ltd | Construction | 2025 |
| Green Flare Engineering Ltd | Professional & scientific | 2011 |
| Green Futures Devon CIC | Professional & scientific | 2025 |
| Green Gables (Exeter) Ltd | Hospitality | 2026 |
| Green Harvest Capital Consulting Ltd | Education | 2010 |
| Green Harvest Family Assessment Ltd | Health & social care | 2022 |
| Green Harvest Holdings Limited | Financial services | 2026 |
| Green Light Motors SW Ltd | Wholesale & retail | 2023 |
| Green Light Tyres SW Ltd | Wholesale & retail | 2024 |
| Green Medical Solutions Ltd | Wholesale & retail | 2017 |
| Green Olive Property Ltd | Real estate | 2023 |
| Green Park Distribution Ltd | Wholesale & retail | 2025 |
| Green Properties (Devon) Ltd | Administrative & support | 2016 |
| Green Room Environmental Consultancy Services Limited | Professional & scientific | 2017 |
| Green Square Agro Consulting Ltd | Agriculture & fishing | 2016 |
| Green Switch Electrical Ltd | Construction | 2023 |
| Green Trees Arboricultural Services Ltd | Agriculture & fishing | 2003 |
| Green Valley Financial Services Limited | Financial services | 2013 |
| Green Wizard Ltd | Agriculture & fishing | 2025 |
| Greenacre Management Limited | Households | 1980 |
| Greenaways Complex Ltd | Households | 2024 |
| Greendale Flooring Limited | Wholesale & retail | 2009 |
| Greendale Group Limited | Agriculture & fishing | 2018 |
| Greendale Leisure Ltd | Hospitality | 1988 |
| Greendale Living Ltd. | Real estate | 1988 |
| Greendale Power Ltd | Energy | 2013 |
| Greendale Seafoods Ltd | Agriculture & fishing | 1975 |
| Greendale SPV1 Limited | Wholesale & retail | 2026 |
| Greendale Storage Holdings Limited | Financial services | 2020 |
| Greendale Storage Limited | Administrative & support | 2018 |
| Greenhill Close Management Limited | Households | 2007 |
| Greenhouse Business Systems Limited | Information & communication | 2013 |
| Greenlight Highways Limited | Construction | 2021 |
| Greenover IP Limited | Wholesale & retail | 2023 |
| Greenraft Ltd | Manufacturing | 2020 |
| Greenridge Holdings Ltd | Financial services | 2025 |
| Greens of Devon Ltd | Agriculture & fishing | 2009 |
| Greenslades Logistics Ltd | Transport & logistics | 2025 |
| Greenslades Tours (Exeter) Ltd | Transport & logistics | 2018 |
| Greenvalley Joinery Ltd | Manufacturing | 2018 |
| Greenwave Renewables (SW) Ltd | Construction | 2024 |
| Greenwell Property Investors Ltd | Real estate | 2024 |
| Greenwell Property Limited | Real estate | 2018 |
| Greenwich Mortgages Limited | Financial services | 2014 |
| Greenwood Park (Sherford) Management Company Parcels 1-10 Limited | Households | 2026 |
| Greg Richmond Limited | Financial services | 2005 |
| Grenadier 29 Limited | Construction | 2014 |
| Grenadier Emperor Limited | Real estate | 2016 |
| Grenadier Estates Ltd | Construction | 2005 |
| Grenadier Exmouth Limited | Construction | 2015 |
| Grenprop Limited | Real estate | 2014 |
| Grey Rock Group Limited | Financial services | 2025 |
| Grey Rock Innovations Ltd | Information & communication | 2018 |
| Grey Slate Properties Limited | Real estate | 2020 |
| Greycliffercg Ltd | Health & social care | 2019 |
| Greyhound Energy Ltd | Professional & scientific | 2026 |
| Greymare Group Limited | Manufacturing | 2023 |
| Greys Interior Yacht Consultancy Ltd | Wholesale & retail | 2019 |
| Greyspace Group Limited | Financial services | 2025 |
| Gridsmart Limited | Information & communication | 1996 |
| Gridtech Ceilings Ltd | Construction | 2022 |
| Grif Services Ltd | Professional & scientific | 2025 |
| Griff Site Engineering Services Ltd | Construction | 2011 |
| Griffin Accountancy Services Limited | Professional & scientific | 2017 |
| Griffin Accountants Holdings Limited | Financial services | 2019 |
| Griffin Audit Limited | Professional & scientific | 2017 |
| Griffiths Asset Management Ltd | Real estate | 2020 |
| Griffiths Commercial Investments Limited | Real estate | 2021 |
| Griffiths Industrial Holdings Limited | Financial services | 2023 |
| Griffiths Investment Holdings Ltd | Financial services | 2024 |
| Griffiths Leasehold Investments Limited | Real estate | 2024 |
| Griffiths Property Assets Limited | Real estate | 2019 |
| Griffiths Property Holdings Limited | Financial services | 2019 |
| Grill Herb Ltd | Hospitality | 2019 |
| Grill Houses (SW) Ltd | Hospitality | 2025 |
| Grimsley Property Management Ltd | Real estate | 2017 |
| Grindle House Developments Limited | Construction | 2021 |
| Groomtastic Ltd | Other services | 2021 |
| Grosvenor Day Nursery Ltd | Education | 2016 |
| Grosvenor House Interiors Limited | Real estate | 1986 |
| Ground Engineering (SW) Ltd | Construction | 2023 |
| Ground Vision Ltd | Administrative & support | 2014 |