| GLK Designs Limited | Professional & scientific | 2025 |
| Global Tech Sourcing Limited | Wholesale & retail | 2012 |
| Gloucestershire Energy Partnerships Limited | Professional & scientific | 2020 |
| Gmfserenity Ltd | Manufacturing | 2026 |
| Go HD Ltd | Construction | 2017 |
| Go Padel York Limited | Arts & recreation | 2025 |
| Going Going Gone Limited | Administrative & support | 2009 |
| Goinggetsgot Ltd | Professional & scientific | 2026 |
| Golden Sun Chinese Takeaway Ltd | Hospitality | 2025 |
| Gondola Pro Limited | Information & communication | 2009 |
| Gone Gosling Limited | Wholesale & retail | 2025 |
| Goodenough's Bakery Limited | Manufacturing | 2003 |
| Goodwinsgotyoucovered Ltd | Public administration | 2025 |
| Gparts Servis Ltd | Other services | 2015 |
| GPDL44 Limited | Construction | 2019 |
| GPS Construction (Yorkshire) Ltd | Construction | 2019 |
| Grace Scaffolding (Yorkshire) Limited | Administrative & support | 2016 |
| Gram Property Management Limited | Real estate | 2022 |
| Graphmars Bidco Limited | Financial services | 2021 |
| Graphmars Holdco Limited | Financial services | 2021 |
| Graphmars Midco Limited | Financial services | 2021 |
| Gravel Direct Ltd | Wholesale & retail | 2026 |
| Gravity Fitness (Birmingham) Limited | Extraterritorial | 2016 |
| Gravity Fitness (Cardiff) Limited | Extraterritorial | 2020 |
| Gravity Fitness (Liverpool) Limited | Extraterritorial | 2021 |
| Gravity Fitness (SOL Central) Limited | Extraterritorial | 2020 |
| Gravity Fitness (Stevenage) Limited | Extraterritorial | 2020 |
| Gravity Fitness (Stratford) Limited | Extraterritorial | 2021 |
| Gravity Fitness (Wandsworth) Limited | Extraterritorial | 2020 |
| Gravity Fitness (Warrington) Limited | Extraterritorial | 2016 |
| Gravity Fitness (Xscape) Limited | Hospitality | 2020 |
| Gravity Fitness Limited | Arts & recreation | 2014 |
| Gravity Franchise Limited | Arts & recreation | 2017 |
| Green Beam Electrical Services Ltd | Construction | 2024 |
| Green Landscaping Ltd | Administrative & support | 2021 |
| Greentown (Bacton) Holdings Limited | Financial services | 2024 |
| Greentown (Bacton) Limited | Construction | 2019 |
| Greentown (Heartlands 3A) Holdings Limited | Financial services | 2024 |
| Greentown (Heartlands 3A) Limited | Construction | 2019 |
| Greentown (Highbridge) Limited | Construction | 2025 |
| Greentown (Pershore) Limited | Construction | 2018 |
| Greentown (Stradbroke) Limited | Construction | 2024 |
| Greentown (Witchford) Limited | Construction | 2018 |
| Greentown Stradbroke Holdings Limited | Financial services | 2024 |
| Griffin Property Leasing Ltd | Real estate | 2020 |
| Grim Parent Limited | Professional & scientific | 2011 |
| Grocery H Ltd | Wholesale & retail | 2026 |
| Groni Ecological Ltd | Construction | 2022 |
| Group 20/20 Ltd | Hospitality | 2025 |
| GRT8CALL Action Ltd | Transport & logistics | 2025 |
| GS Estate Management Services Limited | Real estate | 2009 |
| Gsem Holdings Limited | Financial services | 2023 |
| Guardian Electrical Compliance Limited | Construction | 2010 |
| Gupwell Rogers Limited | Professional & scientific | 2020 |
| Gurmit Properties Limited | Construction | 2015 |
| Gurmit Property Investments LLP | | 2023 |
| Gustosa Italia Ristorante Ltd | Hospitality | 2024 |
| Gutterline Services Limited | Manufacturing | 2013 |
| Gyneclinics Ltd | Health & social care | 2022 |
| H & H Auctioneers Ltd | Wholesale & retail | 2026 |
| H & W Auto Repairs Ltd | Wholesale & retail | 2025 |
| H & W Mechanical Repairs Ltd | Wholesale & retail | 2025 |
| H C Audio Limited | Administrative & support | 2020 |
| H C Music Management Limited | Administrative & support | 2018 |
| H H Civils Holdings Limited | Financial services | 2020 |
| H H Construction (Groundwork Contractors) Limited | Construction | 2008 |
| H&H Properties Enterprise Limited | Real estate | 2025 |
| H.D.Sharman Limited | Manufacturing | 1969 |
| H.E. Homes Ltd | Real estate | 2024 |
| H.L Plastering & Tiling Ltd | Construction | 2018 |
| Hampton Property Company Ltd | Real estate | 2022 |
| Handforth Driveways & Developments Ltd | Construction | 2023 |
| Hangerglide Limited | Extraterritorial | 2000 |
| Hansons Tax LLP | | 2007 |
| Happy House Castleford Ltd | Hospitality | 2024 |
| Happy Jumbo Limited | Hospitality | 2020 |
| Hardaker Brothers Building & Landscaping Ltd | Construction | 2025 |
| Harewood Developments Ltd | Real estate | 2017 |
| Harriet Medical Services Ltd | Professional & scientific | 2015 |
| Harrison Kitchen Rail Services Ltd | Construction | 2018 |
| Hartley Homes (Castleford) Limited | Real estate | 2024 |
| Harvey Process Consulting Limited | Information & communication | 2022 |
| Hashtag House Limited | Administrative & support | 2014 |
| Hawksworth and Sans Roofing Ltd | Construction | 2025 |
| Hawksworth Building and Roofing Ltd | Construction | 2025 |
| Hayden&Sutcliffe Property Ltd | Real estate | 2022 |
| Hayes Pest Management Limited | Administrative & support | 2026 |
| Hayre Retail Ltd | Wholesale & retail | 2010 |
| HC Electrical Yorkshire Limited | Construction | 2021 |
| HC Property (Yorkshire) Ltd | Real estate | 2025 |
| HD Sharman Group Limited | Financial services | 2017 |
| Healey Digital Limited | Extraterritorial | 2014 |
| Healthy BEE Products Limited | Wholesale & retail | 2022 |
| Healthy Hounds Pet Supplies Ltd | Wholesale & retail | 2025 |
| Healy's Florist Ltd | Wholesale & retail | 2014 |
| Heat Network Training Centre Ltd | Education | 2023 |
| HEC Logistics (Holdings) Limited | Financial services | 2024 |
| HEC Properties Limited | Real estate | 2011 |
| Henry's Tyre and Auto Services (Castleford) Limited | Wholesale & retail | 1975 |
| Herefordshire Energy Partnerships Limited | Professional & scientific | 2020 |