| Gnosis Ltd. | Manufacturing | 1993 |
| Gobez Solutions Ltd | Professional & scientific | 2011 |
| Goble Property Group Ltd | Real estate | 2025 |
| Gocreate Taunton Community Interest Company | Arts & recreation | 2014 |
| Goddard & Family Ltd | Wholesale & retail | 2011 |
| Godden SN Ltd | Hospitality | 2019 |
| Goddy Multiresources Ltd | Health & social care | 2023 |
| Golden Accountancy Limited | Professional & scientific | 2023 |
| Golden Chippy T26 Ltd | Hospitality | 2024 |
| Golden Ocean (Taunton) Limited | Hospitality | 2018 |
| Golden Rent Limited | Financial services | 2022 |
| Golden Turmeric Ltd | Hospitality | 2020 |
| Golden Wealth Management (UK) Ltd | Financial services | 2022 |
| Goldmix Limited | Real estate | 2013 |
| Gooberdarjah Limited | Information & communication | 2018 |
| Good Care Veterinary Services Limited | Professional & scientific | 2019 |
| Good Health Partnership Limited | Health & social care | 2015 |
| Good Money Guidance Ltd | Professional & scientific | 2019 |
| Good Times Productions Ltd | Information & communication | 2018 |
| Goodman Records Limited | Information & communication | 2021 |
| Goosewing Sounds Ltd | Arts & recreation | 2023 |
| Gopi Ventures Ltd | Wholesale & retail | 2026 |
| Gordon Hopkins Furniture Limited | Manufacturing | 2013 |
| Gore Square Garage Limited | Manufacturing | 2010 |
| Gorge Barn Holdings | Real estate | 2025 |
| Gorick & Sons Ltd | Agriculture & fishing | 2024 |
| Goss Health Ltd | Financial services | 2026 |
| GOT Bun's HUN Burger Co Ltd | Hospitality | 2024 |
| Gothard Partners Limited | Agriculture & fishing | 2020 |
| Gotleigh Moor Management LLP | | 2006 |
| Gouldygaming Ltd | Information & communication | 2017 |
| Gourmet Poke Ltd | Hospitality | 2023 |
| Govier Financial Planning Limited | Professional & scientific | 2017 |
| Gpnm South West Limited | Real estate | 2005 |
| GPR Property Management Limited | Households | 2024 |
| GPS Car Sales Ltd | Wholesale & retail | 2015 |
| GPS Property Management Ltd | Real estate | 2025 |
| Grab-A-Cab Taunton Ltd | Transport & logistics | 2021 |
| Grabczyk Enterprise Ltd | Financial services | 2024 |
| Grabhams (Plant Hire) Limited | Construction | 1973 |
| Grace and Henry Health Care UK Limited | Health & social care | 2026 |
| Graham Jenner & Co. Limited | Extraterritorial | 1994 |
| Graham`S Motorcycles Ltd | Wholesale & retail | 2003 |
| Gramps Homes Ltd | Construction | 2023 |
| Grandthistle Properties Limited | Households | 1989 |
| Grange Agriculture LLP | | 2016 |
| Grange Meadow (Carhampton) Property Management Company Ltd | Real estate | 2021 |
| Granny Gear Limited | Wholesale & retail | 2020 |
| Grant Squire Legal Services NO.2 Ltd | Professional & scientific | 2022 |
| Graphicolor Ltd | Wholesale & retail | 2005 |
| Grassroots Cloud Solutions Ltd | Information & communication | 2020 |
| Grassroots Power CIC | Professional & scientific | 2016 |
| Gravion Infinite Ltd | Wholesale & retail | 2025 |
| GRB9 Ltd | Financial services | 2021 |
| Great Tree Manor (Chagford) Management Limited | Households | 2004 |
| Great Western Inns & Taverns Limited | Hospitality | 1987 |
| Green 4 Go SOM Ltd | Education | 2012 |
| Green Agri Holdings Limited | Financial services | 2022 |
| Green Agri Land Limited | Professional & scientific | 2023 |
| Green Days Day Care Ltd | Health & social care | 2015 |
| Green Irrigation Projects Ltd | Extraterritorial | 2023 |
| Green LID Personnel Limited | Construction | 2020 |
| Green Partner Energy Ltd | Energy | 2025 |
| Green Propco Limited | Financial services | 2021 |
| Green PV Ltd | Energy | 2025 |
| Green RAY Films Ltd | Information & communication | 2025 |
| Green Tarr Solutions Ltd | Information & communication | 2025 |
| Greenacre Farming Limited | Agriculture & fishing | 2016 |
| Greenacre Halberton Limited | Extraterritorial | 2008 |
| Greenbird Gardening Ltd | Administrative & support | 2016 |
| Greendale Building & Carpentry Ltd | Construction | 2021 |
| Greendays Lighting Ltd | Wholesale & retail | 2015 |
| Greendown Enterprises Limited | Real estate | 2017 |
| Greener Strategies Ltd | Energy | 2020 |
| Greenfield Development LLP | | 2003 |
| Greenfield Road and Helwell Street (Watchet) Management Company Limited | Households | 2016 |
| Greenpaddocks Ltd | Agriculture & fishing | 2007 |
| Greenplumb Renewables Ltd | Construction | 2024 |
| Greenseeker Ltd | Information & communication | 2025 |
| Greenshutters Nurseries Ltd | Wholesale & retail | 2021 |
| Greenslade Developments Limited | Real estate | 1956 |
| Greenslade Events Ltd | Arts & recreation | 2026 |
| Greenspan Hospitality Ltd | Hospitality | 2021 |
| Greenway Developments (South West) Ltd | Construction | 2019 |
| Greenwood Touch Limited | Health & social care | 2024 |
| Gregory Coles Cleansing Services Limited | Water & waste | 2012 |
| Greig and Hughes Medical Services Ltd | Health & social care | 2017 |
| Grenash Limited | Real estate | 2025 |
| Greyshield Homes Ltd | Real estate | 2016 |
| Griffin (South West) Limited | Professional & scientific | 2010 |
| Grim and Greymalkin Studio Ltd | Manufacturing | 2023 |
| Grimes Industrial Machinery & Equipment Solutions Limited | Professional & scientific | 1999 |
| Grimstead Limited | Real estate | 2013 |
| Grip Luggage Ltd | Wholesale & retail | 2024 |
| Grizz Phys Ltd | Wholesale & retail | 2024 |
| Grosvenor Financial Services (South West) Limited | Financial services | 2008 |
| Grounded Environmental Ltd | Water & waste | 2026 |
| Grounded Management Services Ltd | Professional & scientific | 2026 |
| Group Leisure Limited | Real estate | 1971 |
| Groupkit Limited | Extraterritorial | 2016 |