| Grange Barbers Limited | Other services | 2023 |
| Grange Maintenance Ltd | Manufacturing | 2020 |
| Grange Technicals Ltd | Manufacturing | 2020 |
| Grant Family Partnership LLP | | 2017 |
| Grant Property Holdings Ltd | Real estate | 2017 |
| Gravity Fusion Ltd | Information & communication | 2026 |
| Gray Haulage Limited | Transport & logistics | 2013 |
| GRB Connections Ltd | Construction | 2025 |
| GRC Solutions Ltd | Professional & scientific | 2022 |
| Great North Healthcare Ltd | Health & social care | 2025 |
| Greatham Advisors Limited | Professional & scientific | 2022 |
| Green Deal Investments Ltd | Construction | 2012 |
| Green Energy Origin UK Limited | Manufacturing | 2026 |
| Green Means Go Limited | Information & communication | 2011 |
| Green Nexus Digital Ltd | Information & communication | 2024 |
| Green Nexus Ltd | Financial services | 2025 |
| Green Nexus Platform Ltd | Information & communication | 2025 |
| Greenhill Property Group Limited | Real estate | 2019 |
| Greenhill Wealth Management Limited | Professional & scientific | 2010 |
| Greenwood Auto Spares Ltd | Wholesale & retail | 2009 |
| Greenwood Property LLP | | 2021 |
| Greenwood Property Maintenance Limited | Construction | 2010 |
| Griffcad Ltd | Professional & scientific | 2014 |
| Grmc Consultants Ltd | Professional & scientific | 2023 |
| Grosvenor 4 Limited | Hospitality | 2016 |
| Ground Source Drilling Limited | Construction | 2007 |
| Grounded Group Holdings Ltd | Wholesale & retail | 2021 |
| Grove Park Developments (North) Limited | Construction | 2015 |
| Groveside Developments Limited | Construction | 2005 |
| GS Naidu Limited | Hospitality | 2025 |
| GSG Family Holdings Ltd | Real estate | 2021 |
| GSG Family Partnership LLP | | 2021 |
| GUL Cosmetic Clinic Limited | Health & social care | 2016 |
| Gunn Engineering Services Limited | Professional & scientific | 2011 |
| Gwanda Global Limited | Professional & scientific | 2023 |
| Gwanda Properties Limited | Real estate | 2021 |
| Gym Factory North West Limited | Arts & recreation | 2020 |
| GYM80 UK Ltd | Health & social care | 2008 |
| Gymnastics KIT Limited | Wholesale & retail | 2023 |
| H & D Bhullar WP Ltd | Administrative & support | 2024 |
| H & H Investments (UK) Limited | Real estate | 2001 |
| H & J Energy (NE) Ltd | Construction | 2017 |
| H M G Property Solutions Limited | Real estate | 2022 |
| H Rossington Limited | Construction | 2024 |
| H&H Partnerships Ltd | Real estate | 2026 |
| H.O.L.B Developments Ltd | Construction | 2021 |
| Haadii Ltd | Real estate | 2020 |
| Hadi Arslan Ltd | Health & social care | 2022 |
| Hadlet Access Ltd | Construction | 2024 |
| Hael Design Consultants Limited | Professional & scientific | 1989 |
| Haight Family Partnership LLP | | 2022 |
| Halcyone Developments UK Limited | Construction | 2005 |
| Halfpenny Accountancy Limited | Professional & scientific | 2018 |
| Halo Dental LAB Limited | Health & social care | 2025 |
| Hamid Locums Ltd | Professional & scientific | 2015 |
| Hamilton Bidco Limited | Financial services | 2019 |
| Hamilton Dewhurst Homes Ltd | Construction | 2016 |
| Hamilton Topco Limited | Financial services | 2019 |
| Happiness 1 Ltd | Health & social care | 2024 |
| Happiness 2 Ltd | Wholesale & retail | 2024 |
| Happiness Homes Ltd | Other services | 2016 |
| Happiness Inn 888 Ltd | Hospitality | 2024 |
| Happy Swan PUB Ltd | Hospitality | 2025 |
| Haram Zada Ltd | Construction | 2016 |
| Harbour Lights (Littlehampton) Ltd | Hospitality | 2019 |
| Harby Development Ltd | Real estate | 2020 |
| Hardwood Profiles Ltd | Manufacturing | 2016 |
| Harl (Builders & Developers) Limited | Professional & scientific | 1971 |
| Harper and Co Estate Agents Ltd | Real estate | 2020 |
| Harper RAY Properties Limited | Real estate | 2020 |
| Harpham WP Limited | Administrative & support | 2024 |
| Harrigany Limited | Wholesale & retail | 2025 |
| Harrison & Sons Catering Supplies Ltd | Wholesale & retail | 2025 |
| Harrison Family Holdings Limited | Real estate | 2018 |
| Harrison Family Partnership LLP | | 2018 |
| Hartland Homes Ltd | Real estate | 2017 |
| Hartlepool Digital Print Ltd | Administrative & support | 2019 |
| Hartlepool Pharma Ltd | Wholesale & retail | 2023 |
| Harvey Duckman Ltd | Arts & recreation | 2024 |
| Hasnain Family Partnership LLP | | 2020 |
| Hasteunit Limited | Professional & scientific | 2016 |
| Haverton Trucks Limited | Professional & scientific | 2001 |
| Hawes & Daughter Ltd | Real estate | 2023 |
| Hawes Family Holdings Limited | Real estate | 2018 |
| Hawes Family Partnership LLP | | 2018 |
| Hayer Fisheries Limited | Hospitality | 2012 |
| Hayer Property Management (NE) Limited | Real estate | 2016 |
| Hazel Window Cleaners 2 Limited | Administrative & support | 2024 |
| Hazlecroft Homes Ltd | Real estate | 2019 |
| HCD Site Servicesb Limited | Construction | 2026 |
| HD Taylored Holdings Ltd | Real estate | 2021 |
| Heart Industrial Cleaning NE Ltd | Administrative & support | 2023 |
| Hedgehog Homes Bath Ltd | Real estate | 2022 |
| Heggs Medical Services Ltd | Health & social care | 2022 |
| Hellens BGV Limited | Construction | 2020 |
| Hellens Estates Limited | Construction | 2021 |
| Hellens Group Holdings Limited | Professional & scientific | 2006 |
| Hellens Group Limited | Professional & scientific | 2003 |
| Hellens Investments (Carlton) LLP | | 2008 |
| Hellens Investments (Eppleton) LLP | | 2008 |