| Grasmere News & Convenience Limited | Wholesale & retail | 2020 |
| Grass Roots Garden Maintenance Limited | Other services | 2003 |
| Graze IT Limited | Information & communication | 2023 |
| Greek Market Ltd | Wholesale & retail | 2019 |
| Green Olives Technology Limited | Information & communication | 2023 |
| Greendale Catering Ltd | Hospitality | 2023 |
| Greenfix Ltd | Construction | 2025 |
| Greenline - Fire Door Inspection Ltd | Public administration | 2020 |
| Greenvant Ltd | Water & waste | 2026 |
| Greenworks Northwest Ltd | Construction | 2022 |
| Grimshaw & Wilson Ltd | Construction | 2025 |
| Grimshaw Estates Limited | Extraterritorial | 2019 |
| Grizzlers Ltd | Hospitality | 2021 |
| Grow an Orchard Ltd | Other services | 2020 |
| Growing Owners' Wealth Ltd | Administrative & support | 2025 |
| Gryffin House Limited | Hospitality | 2021 |
| GS Hearing Solutions Limited | Wholesale & retail | 2026 |
| GS Roofing Services Ltd | Construction | 2023 |
| GTA England Limited | Other services | 2011 |
| Guilford & Carter Limited | Wholesale & retail | 2020 |
| Gujrat Halal Meat Ltd | Wholesale & retail | 2020 |
| Gym RYG Clothing Ltd | Wholesale & retail | 2024 |
| H Squared Consulting Limited | Information & communication | 2015 |
| H Taxation Ltd | Professional & scientific | 2009 |
| H W Williams (Optometrists) Limited | Health & social care | 2007 |
| H&M Discount Store Ltd | Wholesale & retail | 2019 |
| H&S Convenience Ltd | Wholesale & retail | 2026 |
| H&S News Ltd | Wholesale & retail | 2022 |
| H. Walmsley (Legal Costings) Limited | Professional & scientific | 2005 |
| H.J.Wheeldon Limited | Wholesale & retail | 1938 |
| Habitat Green Ltd | Construction | 2024 |
| Hafiz's Foods Darwen Ltd | Hospitality | 2026 |
| Hafizsfoods Ltd | Hospitality | 2025 |
| Haine & Smith Partnership LLP | | 2009 |
| Hakim Group 1 Limited | Extraterritorial | 2026 |
| Hakim Group 10 Limited | Extraterritorial | 2026 |
| Hakim Group 11 Limited | Extraterritorial | 2026 |
| Hakim Group 12 Limited | Extraterritorial | 2026 |
| Hakim Group 13 Limited | Financial services | 2024 |
| Hakim Group 14 Limited | Extraterritorial | 2026 |
| Hakim Group 15 Limited | Extraterritorial | 2026 |
| Hakim Group 16 Limited | Extraterritorial | 2026 |
| Hakim Group 17 Limited | Extraterritorial | 2026 |
| Hakim Group 18 Limited | Extraterritorial | 2026 |
| Hakim Group 19 Limited | Extraterritorial | 2026 |
| Hakim Group 2 Limited | Extraterritorial | 2026 |
| Hakim Group 20 Limited | Extraterritorial | 2026 |
| Hakim Group 21 Limited | Extraterritorial | 2026 |
| Hakim Group 22 Limited | Extraterritorial | 2026 |
| Hakim Group 23 Limited | Extraterritorial | 2026 |
| Hakim Group 24 Limited | Extraterritorial | 2026 |
| Hakim Group 25 Limited | Extraterritorial | 2026 |
| Hakim Group 26 Limited | Extraterritorial | 2026 |
| Hakim Group 27 Limited | Extraterritorial | 2026 |
| Hakim Group 28 Limited | Extraterritorial | 2026 |
| Hakim Group 29 Limited | Extraterritorial | 2026 |
| Hakim Group 3 Limited | Extraterritorial | 2026 |
| Hakim Group 30 Limited | Extraterritorial | 2026 |
| Hakim Group 4 Limited | Extraterritorial | 2026 |
| Hakim Group 5 Limited | Extraterritorial | 2026 |
| Hakim Group 6 Limited | Extraterritorial | 2026 |
| Hakim Group 7 Limited | Wholesale & retail | 2026 |
| Hakim Group 8 Limited | Wholesale & retail | 2026 |
| Hakim Group 9 Limited | Extraterritorial | 2026 |
| Hakim Group Limited | Wholesale & retail | 2021 |
| Halal Farm Ltd | Manufacturing | 2023 |
| Half-Baked Cake Company Limited | Professional & scientific | 2009 |
| Hallstead Meadow Management Company Limited | Households | 2026 |
| Halo Head Spa Ltd | Other services | 2025 |
| Halsey Optical Ltd | Health & social care | 2015 |
| Hammond Opticians Limited | Wholesale & retail | 2007 |
| Hampden Consult Limited | Professional & scientific | 2021 |
| Hampshire Helmn Estate Agents Limited | Real estate | 2005 |
| Hanaim Ltd | Wholesale & retail | 2025 |
| Hands on Maintenance Services Limited | Construction | 2023 |
| Hannah Neal Properties Ltd | Real estate | 2026 |
| Hannifin Driveways Limited | Construction | 2020 |
| Hannifin Paving UK Ltd | Construction | 2023 |
| Happy Futures (West Yorkshire) Limited | Health & social care | 2013 |
| Happy Futures Support Specialists Ltd | Health & social care | 2010 |
| Harold I. Silverberg Limited | Health & social care | 1967 |
| Harris Opticians (Heswall) Limited | Wholesale & retail | 2017 |
| Harris Opticians Limited | Wholesale & retail | 2007 |
| Harrison's Heating and Plumbing Ltd | Construction | 2018 |
| Harry Fowler Joinery Ltd | Construction | 2015 |
| Hassocks Eyecare Centre Limited | Health & social care | 2012 |
| Havelock Inn Limited | Hospitality | 2013 |
| Hawkes & Wainer Ltd | Health & social care | 2010 |
| Haxby Opticians Limited | Wholesale & retail | 2006 |
| Hazel Smith Optical Ltd | Wholesale & retail | 2018 |
| Hctr Ltd | Health & social care | 2015 |
| Headcorn Eyecare Ltd | Wholesale & retail | 2022 |
| Heals Opticians Limited | Health & social care | 2003 |
| Healthier U Ltd | Health & social care | 2021 |
| Hear Always 1 Limited | Wholesale & retail | 2024 |
| Hear Always 2 Limited | Wholesale & retail | 2026 |
| Hear Always 3 Limited | Wholesale & retail | 2026 |
| Hear Always Limited | Wholesale & retail | 2021 |
| Hear in Hagley Ltd | Wholesale & retail | 2018 |
| Hear in Wombourne Ltd | Wholesale & retail | 2021 |