| Great Horizons Ltd | Real estate | 2020 |
| Great UK Housing Ltd | Real estate | 2021 |
| Great West Security Ltd | Administrative & support | 2025 |
| Greatness IS UN Ltd | Administrative & support | 2015 |
| Greek Gourmet Ltd | Hospitality | 2025 |
| Green Chilli Hereford Limited | Hospitality | 2025 |
| Green Clear Ltd | Agriculture & fishing | 2003 |
| Green Dragon Hotel Group Limited | Hospitality | 2003 |
| Green Glades Landscapes Limited | Administrative & support | 2008 |
| Green Home Construction Services Ltd | Construction | 2020 |
| Green House Barns Management Company Limited | Households | 2025 |
| Green Leaf Architecture Limited | Professional & scientific | 2017 |
| Green Light People Solutions Ltd | Health & social care | 2012 |
| Green Passive Homes Ltd | Construction | 2023 |
| Green Power Supply Limited | Energy | 2020 |
| Green Property Partners Ltd | Real estate | 2025 |
| Green Soul Designs Ltd | Administrative & support | 2025 |
| Green Twigs Nursery, Montessori & Forest School Ltd | Education | 2015 |
| Greenapple Services (UK) Ltd | Water & waste | 2013 |
| Greenapple Sludge Limited | Water & waste | 1971 |
| Greendale Carpets and Floorings Limited | Wholesale & retail | 1981 |
| Greenearth EAS MOR Limited | Energy | 2015 |
| Greenearth Sychbant Hydro Limited | Energy | 2015 |
| Greenfield Housing Ltd | Real estate | 2017 |
| Greenland GEO Ltd | Professional & scientific | 2026 |
| Greenlands House Limited | Households | 2005 |
| Greenlane Stores Ltd | Wholesale & retail | 2019 |
| Greent Consulting Limited | Professional & scientific | 2016 |
| Greenway Residential Investments Ltd | Real estate | 2022 |
| Grey Sphere Group Ltd | Administrative & support | 2023 |
| Greyhound Rugby Football Club @ H.C.S.C. Limited | Arts & recreation | 2016 |
| Greystoke Global Limited | Administrative & support | 2023 |
| GRF Property Group Ltd | Real estate | 2022 |
| Grid Relief Limited | Professional & scientific | 2026 |
| Griffin Court Residents Company Limited | Real estate | 1978 |
| Griffin Tissue Viability Services Ltd | Health & social care | 2025 |
| Grind N Shine Ltd | Wholesale & retail | 2021 |
| Grlz Solutions Ltd | Wholesale & retail | 2025 |
| Grocer Global Group Ltd | Professional & scientific | 2016 |
| Groovespace Limited | Wholesale & retail | 1986 |
| Ground Control Youtube Channel Limited | Arts & recreation | 2025 |
| Ground Hammer Training Centre Ltd | Education | 2023 |
| GROUP36 Ltd | Real estate | 2019 |
| Groupmate Technologies CIC | Information & communication | 2026 |
| Grove Golf & Bowl Limited | Arts & recreation | 2009 |
| Growing Local Community Interest Company | Education | 2009 |
| Growise Ltd | Administrative & support | 2024 |
| Grown OUT of IT Ltd | Extraterritorial | 2015 |
| Grozone Systems UK Ltd | Wholesale & retail | 2021 |
| GRP4 Motorsport Ltd | Manufacturing | 2021 |
| GRW Property Limited | Construction | 2012 |
| Grōwan Ltd | Education | 2020 |
| Gsbc Limited | Professional & scientific | 2012 |
| Gslj Property Limited | Real estate | 2020 |
| GSR Heating Ltd | Construction | 2012 |
| Gsrg Ltd | Professional & scientific | 2021 |
| GSS Business Ltd | Construction | 2025 |
| GSS Trading Ltd | Real estate | 2020 |
| GT Home Improvements Hereford Ltd | Construction | 2026 |
| GT Iris Limited | Information & communication | 2023 |
| GT Powell Property Investments Ltd | Real estate | 2020 |
| GTR Development Group Ltd | Construction | 2026 |
| GTV Logistics Ltd | Transport & logistics | 2024 |
| Guardian Transport Ltd | Transport & logistics | 2022 |
| Guilt-Free Organic Eating Ltd | Manufacturing | 2014 |
| GUN Dog GIN Limited | Manufacturing | 2016 |
| GUY Hellier Limited | Information & communication | 2014 |
| GUY Prentice Barbers Limited | Administrative & support | 2018 |
| GWA Consulting Ltd | Information & communication | 2018 |
| Gwern Y Bwlch Ltd | Hospitality | 2025 |
| Gwillam Darby Carr Limited | Professional & scientific | 2011 |
| Gwillywizz Ltd | Professional & scientific | 2014 |
| GWP Software Solutions Ltd | Information & communication | 2012 |
| Gwynne Gate Management Limited | Households | 2016 |
| Gymrushuk Ltd | Wholesale & retail | 2021 |
| H & H Hereford Management Company Limited | Households | 2026 |
| H J Holdings (Hereford) Limited | Financial services | 2018 |
| H M Care Ltd | Other services | 2013 |
| H R Edwards & SON Ltd | Agriculture & fishing | 2024 |
| H R Owen Electrical Services Limited | Construction | 2023 |
| H S Residential Limited | Real estate | 2014 |
| H. C. Mascall & Co. Ltd. | Manufacturing | 2005 |
| H. North Agriculture Ltd | Wholesale & retail | 2011 |
| H.C. Polybags Limited | | 1991 |
| H.F.T. Forklifts Limited | Manufacturing | 1991 |
| H.F.T. Group Limited | Financial services | 2023 |
| H.L. Robinson (Holdings) Limited | Real estate | 1959 |
| Hadnock Properties Limited | Real estate | 1999 |
| Hafod Park Management Limited | Households | 2017 |
| Haides Tactical Ltd | Wholesale & retail | 2023 |
| Haig Orchards Limited | Agriculture & fishing | 2017 |
| Haines & Co. (Motor Cycles) Limited | Wholesale & retail | 1976 |
| Haines Elite Plastics Limited | Wholesale & retail | 2025 |
| Hair UP Solutions Ltd | Other services | 2023 |
| HAL Forestry Limited | Agriculture & fishing | 2012 |
| Halc Limited | Arts & recreation | 2025 |
| Halco Europe (Holdings) Limited | Financial services | 2017 |
| Halco Europe Limited | Manufacturing | 2011 |
| Halla's Haven CIC | Education | 2023 |
| Hallcellar Limited | Manufacturing | 1984 |