| Gardenability Limited | Extraterritorial | 2004 |
| Gareth Edwards Electrical Services Ltd | Construction | 2024 |
| Garner Weight Management Ltd | Health & social care | 2021 |
| Garnish Leisure Ltd | Hospitality | 2026 |
| Garton Field Limited | Agriculture & fishing | 2000 |
| Garton Grazing Ltd | Real estate | 2017 |
| Garton Metal Works Ltd | Wholesale & retail | 2018 |
| Gartshore Holdings Limited | Extraterritorial | 2025 |
| Gary Raffle Ltd | Arts & recreation | 2024 |
| Gast-Row Ltd | Hospitality | 2017 |
| Gavin Kellett Limited | Administrative & support | 2012 |
| George Revill (Haulage) Limited | Transport & logistics | 1977 |
| GHW Holdings Limited | Financial services | 2026 |
| GI Pigs Limited | Agriculture & fishing | 2005 |
| Giles Toogood Ltd | Health & social care | 2017 |
| GIV AI Labs Ltd | Administrative & support | 2025 |
| GKS Electrical (Fire & Security) Ltd | Other services | 2023 |
| GKW Cars Limited | Wholesale & retail | 2021 |
| GLA Consultancy Ltd | Administrative & support | 2023 |
| Gladstone Systems Limited | Professional & scientific | 2009 |
| Global Skills Qualifications Ltd | Education | 2024 |
| Glover Property Holdings Limited | Real estate | 2025 |
| Glyn Hughes Limited | Professional & scientific | 2011 |
| Goddess Vibes Limited | Administrative & support | 2024 |
| Gohil & Gunby Property Services Ltd | Administrative & support | 2013 |
| Goldshot Properties Limited | Construction | 1993 |
| Goliath TAP and DIE Limited | Manufacturing | 1962 |
| Goodmanham Construction Company Limited | Construction | 2016 |
| Gorka Dining Ltd | Hospitality | 2023 |
| Gracchus Estates Limited | Real estate | 2017 |
| Grace Minns Ltd | Health & social care | 2023 |
| Graham Jackson Roofing Ltd | Construction | 2008 |
| Granary Court Driffield Limited | Households | 2019 |
| Granary Court Management Ltd | Professional & scientific | 2005 |
| Great Barn Investments Limited | Construction | 2023 |
| Great British Lobster C/O Limited | Wholesale & retail | 2021 |
| Great Driffield Lawn Tennis and Croquet Ground Company Limited. | Arts & recreation | 1915 |
| Great Driffield Radio Limited | Information & communication | 2017 |
| Great Wall Cantonese Restaurant Limited | Hospitality | 2017 |
| Green Printing Solutions Limited | Wholesale & retail | 2015 |
| Greenfinch Accountancy Services Ltd | Professional & scientific | 2010 |
| Greenhive Developments Ltd | Construction | 2024 |
| Greenwold (Yorkshire) Limited | Agriculture & fishing | 2001 |
| Griffin Aerospace Limited | Manufacturing | 2022 |
| Grimsby One Limited | Wholesale & retail | 1972 |
| Grosvenor Property Estate Management LLP | | 2025 |
| Groundtech Landscaping Ltd | Administrative & support | 2024 |
| GSD Groundworks and Garden Design Ltd | Construction | 2019 |
| GT Estates Limited | Real estate | 1999 |
| GT Solutions (UK) Ltd | Construction | 2011 |
| Gtek Cctv Systems Limited | Administrative & support | 2018 |
| Gutter Cleaning Scarborough. Grounds and Maintenance Limited | Administrative & support | 2026 |
| Gutter-Max Ltd | Manufacturing | 2024 |
| H & E Property Holdings Ltd | Households | 2025 |
| H & K Construction Limited | Manufacturing | 2014 |
| H & K Embroidery Limited | Manufacturing | 2022 |
| H & K Storage Limited | Administrative & support | 2025 |
| H C Properties Limited | Construction | 2014 |
| H D Systems Limited | Information & communication | 2009 |
| H Middlewood & SON Limited | Agriculture & fishing | 2012 |
| H. & a. Bell Limited | Wholesale & retail | 2004 |
| H.A.L. Builders Limited | Construction | 2003 |
| Haigh Farriery Limited | Agriculture & fishing | 2024 |
| Hairsine Pigs Limited | Agriculture & fishing | 2002 |
| Halder Properties Limited | Real estate | 2014 |
| Halder Transport and Storage Limited | Transport & logistics | 2025 |
| Halder Transport Ltd | Transport & logistics | 2015 |
| Hallco 1696 Limited | Real estate | 2009 |
| Hammond Homes (Barrow) Ltd | Construction | 2020 |
| Hand Turned Pens Ltd | Manufacturing | 2024 |
| Happy Property Hull Limited | Administrative & support | 2025 |
| Hardcastle Ventacrop ( 2000 ) Limited | Agriculture & fishing | 2007 |
| Haresgraces Limited | Wholesale & retail | 1993 |
| Harrison Farms (Kilham) Limited | Agriculture & fishing | 2003 |
| Harrison Farms Services (Kilham) Limited | Agriculture & fishing | 2011 |
| Harrison Pick Limited | Professional & scientific | 2024 |
| Harvey Training Limited | Education | 2013 |
| Hastpace Data Ltd | Information & communication | 2019 |
| Hatfield Commercial Sales Limited | Wholesale & retail | 2003 |
| Havler Therapy Services Limited | Administrative & support | 2018 |
| Haxby Fishing Ltd | Agriculture & fishing | 2016 |
| Hayes On-Air Limited | Information & communication | 2025 |
| Hayloft Investment Ltd | Real estate | 2006 |
| Headley Straw Limited | Agriculture & fishing | 2016 |
| Healthguard Hygiene Services Limited | Water & waste | 2004 |
| Healthy Living Direct Limited | Extraterritorial | 2000 |
| Heard Motorsport Limited | Wholesale & retail | 2023 |
| Heard Services Limited | Manufacturing | 2015 |
| Heathersfield Ltd | Administrative & support | 2023 |
| Helen Hall Interior Contracts Ltd | Wholesale & retail | 2013 |
| Hemesley Leisure Ltd | Arts & recreation | 2020 |
| Henas Curry Ltd | Hospitality | 2020 |
| Hengate Holdings Ltd | Real estate | 2024 |
| Henry & Hurst Holdings Limited | Real estate | 1956 |
| Hepstone Ltd | Education | 2024 |
| Heritage Hedging Limited | Administrative & support | 2013 |
| HEY DAB Limited | Information & communication | 2024 |
| High Farm (Lund) Limited | Construction | 2022 |
| Highfield Chambers Ltd | Hospitality | 2025 |
| Highfield Hospitality Group Ltd | Professional & scientific | 2025 |