| Gary Hedgecock Ltd | Hospitality | 2009 |
| Gary Peacock Associates Ltd | Professional & scientific | 2010 |
| GAS, GAS, GAS Heating and Plumbing by Kevin Hough Ltd | Energy | 2021 |
| GB Davis & Sons Ltd | Other services | 2023 |
| GB Roofing Services Ltd | Construction | 2021 |
| Gcepropertyventures Ltd | Construction | 2026 |
| Gduk Door Solutions Limited | Manufacturing | 2019 |
| GE Consults Ltd | Information & communication | 2017 |
| GEE Security Limited | Administrative & support | 2004 |
| GEM Electrical Installations Limited | Construction | 2019 |
| GEN Estimate Ltd | Construction | 2023 |
| GEN. Impact Ltd | Information & communication | 2015 |
| Genium Group Limited | Professional & scientific | 2025 |
| George Street Retail Ltd | Wholesale & retail | 2026 |
| George Street Supermarket Ltd | Wholesale & retail | 2024 |
| George UTZ Limited | Manufacturing | 1989 |
| GH Coaching Consultancy Ltd | Arts & recreation | 2022 |
| Gillellie Limited | Wholesale & retail | 2021 |
| Gingerbread Bakes Limited | Hospitality | 2021 |
| Give for Good | Wholesale & retail | 2014 |
| GJ2010 Limited | Wholesale & retail | 2012 |
| GL Eco Ltd | Professional & scientific | 2025 |
| Gladwyn Estates Limited | Financial services | 2015 |
| Glasshats Ltd | Other services | 2026 |
| Glendair Build Limited | Real estate | 2025 |
| Glendair Lettings Limited | Real estate | 2015 |
| Global Stratautech Solutions Limited | Professional & scientific | 2025 |
| Glow Property Services Ltd | Real estate | 2025 |
| Go Assess Limited | Information & communication | 2024 |
| Gocations Ltd | Administrative & support | 2022 |
| Golden PEN Ltd | Information & communication | 2010 |
| Golden Scissors Alfreton Ltd | Other services | 2024 |
| Golden Valley Roofing Ltd | Construction | 2022 |
| Good Times Food and Drinks Ltd | Hospitality | 2026 |
| GOOD2GO Awards Limited | Education | 2017 |
| Gosling Property Ltd | Real estate | 2022 |
| GOT IT Right Limited | Administrative & support | 2004 |
| Gowercroft Limited | Manufacturing | 1998 |
| GR8TERWORKS Ltd | Administrative & support | 2017 |
| GR8TWORKS Ltd | Professional & scientific | 2024 |
| Graham Daws Associates Limited | Professional & scientific | 1986 |
| Grandmother UK Ltd | Wholesale & retail | 2025 |
| Great British Aircraft Company Ltd | Manufacturing | 2018 |
| Greater Purpose Official Ltd | Wholesale & retail | 2025 |
| Green Foods Europe Ltd | Hospitality | 2025 |
| Greenhill Plumbing and Heating Supplies Ltd | Wholesale & retail | 2023 |
| Griffith Foods Limited | Manufacturing | 1969 |
| Griffith Foods Wincanton Ltd | Manufacturing | 1989 |
| Griffiths Developments Group Limited | Real estate | 2022 |
| Griffiths Services & Developments Limited | Construction | 2009 |
| GRN Enterprises Ltd | Wholesale & retail | 2022 |
| Ground Strata Solutions Ltd | Professional & scientific | 2026 |
| Groves Examinations Ltd | Construction | 2022 |
| Growfields Ltd | Professional & scientific | 2017 |
| GS Alfreton Ltd | Hospitality | 2026 |
| Gspice Limited | Hospitality | 2024 |
| Gugan Supermarket Ltd | Wholesale & retail | 2026 |
| Gurmarg Limited | Transport & logistics | 2006 |
| H W Martin Waste Limited | Water & waste | 1999 |
| H&B Homes Group Ltd | Real estate | 2025 |
| H.J. Morris Motors Limited | Wholesale & retail | 1983 |
| H.M.B. Machinists & Engineers Limited | Manufacturing | 1961 |
| H.W. Martin (Farms) LLP | | 2011 |
| H.W. Martin (Traffic Management) Limited | Construction | 1988 |
| H.W. Martin Safety Fencing Limited | Construction | 1987 |
| H.Warren Property Limited | Other services | 2026 |
| Hall's Logistics Support Limited | Transport & logistics | 2020 |
| Hallfield Hall Ltd | Hospitality | 2025 |
| Halo Heating Installations Ltd | Construction | 2022 |
| Haneys Driveways & Patios Ltd | Administrative & support | 2024 |
| Hani Dessert House Ltd | Hospitality | 2019 |
| Hardfield Homes (Belper) Ltd | Construction | 2018 |
| Hardfield Homes Ltd | Construction | 2006 |
| Hardtailbiker Enterprises Ltd | Construction | 2013 |
| Hardwick Holidays Limited | Hospitality | 2022 |
| Hardwick Service Station Limited | Wholesale & retail | 2025 |
| Hardwick Sports & Prestige Limited | Wholesale & retail | 2024 |
| Harrabelle Building Limited | Construction | 2014 |
| Hart Staffs Limited | Construction | 2025 |
| Harvey Painting & Decorating Ltd | Construction | 2012 |
| Haslam Steel Fabricators Limited | Manufacturing | 2003 |
| HB Health and Wellbeing Ltd | Information & communication | 2026 |
| Heart of England TKD Ltd | Arts & recreation | 2009 |
| Heatsafe Plumbing & Heating Services Ltd | Construction | 2019 |
| Heatwave Plumbing & Hvac Ltd | Construction | 2025 |
| Heavenly Bubbles Ltd | Manufacturing | 2012 |
| Hella Bella Beauty Ltd | Other services | 2026 |
| Help at Home Group Ltd | Health & social care | 2025 |
| Help With Digital Ltd | Administrative & support | 2023 |
| Help@Home Limited | Administrative & support | 2016 |
| Helpers Homecare Limited | Health & social care | 1999 |
| Hemp & CBD Media Limited | Administrative & support | 2016 |
| Hendrick Projects Limited | Professional & scientific | 2018 |
| Henrico Holdings Limited | Real estate | 2025 |
| Henshaws Hair Ltd | Other services | 2014 |
| HGS Cloud and Data Platforms Limited | Information & communication | 2026 |
| Hi-Level Enterprises Limited | Extraterritorial | 1988 |
| Hi-Tech Spray Coatings Limited | Construction | 2018 |
| Hicklin Haulage Limited | Transport & logistics | 2012 |
| High Peak Property Group Ltd | Extraterritorial | 2026 |