| Greenway Local Limited | Wholesale & retail | 2019 |
| Greenwood Investment Group Ltd | Professional & scientific | 2024 |
| Greenwood Property Portfolio Ltd | Real estate | 2024 |
| Greg's Brush Strokes Limited | Construction | 2025 |
| Grey Label Limited | Information & communication | 2015 |
| Gridsoft Solutions Limited | Professional & scientific | 2025 |
| Grill ZONE85 Ltd | Hospitality | 2023 |
| Grimwood Holdings Limited | Financial services | 2020 |
| Grimwood Racing Limited | Arts & recreation | 2020 |
| Ground UP Construction Holdings Limited | Financial services | 2025 |
| Ground UP Construction Limited | Construction | 2014 |
| Grove Laundry Limited(The) | Professional & scientific | 1911 |
| Grove Property Services Limited | Construction | 2020 |
| Growing Property Businesses Ltd | Real estate | 2024 |
| Grub Corporation Gatley Limited | Hospitality | 2024 |
| Grub Corporation Holdings Limited | Financial services | 2025 |
| GS62 Ltd | Real estate | 2021 |
| GSC Wellness Ltd | Health & social care | 2020 |
| GSK Hairdressing Ltd | Other services | 2013 |
| GSV Jewellery Limited | Other services | 2022 |
| GT Technologies Ltd | Wholesale & retail | 2019 |
| Gtech Academy Limited | Information & communication | 2020 |
| Gtech Consultancy Ltd | Information & communication | 2017 |
| Gtech Group Limited | Information & communication | 2020 |
| GTP Engineering Limited | Professional & scientific | 2017 |
| Guardian HR Ltd | Administrative & support | 2025 |
| Guardian Legacy Limited | Professional & scientific | 2025 |
| Guide Bridge Laundrette Limited | Other services | 2007 |
| Guildminster Limited | Real estate | 1985 |
| Gulf Bahrain Company Ltd | Construction | 2022 |
| Gumbarber Limited | Other services | 2026 |
| Gundety Tech Solutions Limited | Professional & scientific | 2023 |
| Gunditan Ltd | Hospitality | 2025 |
| Gupta Medical Limited | Health & social care | 2013 |
| Gupta Property Limited | Real estate | 2018 |
| GW Electrical Supplies & Services Ltd | Wholesale & retail | 2021 |
| GWR Legal Recruitment Ltd | Administrative & support | 2025 |
| Gxqp Consulting Ltd | Professional & scientific | 2024 |
| GY Catering Ltd | Hospitality | 2020 |
| H & L Motors (Bolton) Ltd | Wholesale & retail | 2013 |
| H & S Murray LLP | | 2007 |
| H Anwar Ltd | Health & social care | 2018 |
| H L Social Work Limited | Health & social care | 2007 |
| H Madi Ltd | Other services | 2020 |
| H S Storage and Recovery Limited | Transport & logistics | 2013 |
| H Sheikh Pharma Ltd | Wholesale & retail | 2025 |
| H.A.W.A Aviation Ltd | Construction | 2025 |
| H.Rashid Ltd | Wholesale & retail | 2024 |
| H2 Group Investments Limited | Professional & scientific | 2006 |
| HA Akstart Holdings Limited | Professional & scientific | 2023 |
| Ha&Nv Limited | Wholesale & retail | 2025 |
| Habtom Pharma Ltd | Wholesale & retail | 2023 |
| Haderm and Aesthetics Ltd | Public administration | 2024 |
| Hadi MCR Services Ltd | Professional & scientific | 2020 |
| Hadley Finance Limited | Administrative & support | 2005 |
| Hadley Wojtkiw Limited | Education | 2023 |
| HAE613 Ltd | Hospitality | 2024 |
| Haidery Investments Ltd | Financial services | 2022 |
| Haigh Hall Management Limited | Real estate | 2018 |
| Haileybury Homes Limited | Real estate | 2020 |
| Hair Boutique Limited | Other services | 2012 |
| Hair by Claire (Cheshire) Limited | Other services | 2025 |
| Hale Wealth Management Ltd | Financial services | 2010 |
| Hallmark Medical Services Limited | Professional & scientific | 2015 |
| Halo Health & Physiotherapy Limited | Health & social care | 2022 |
| Halso Properties Limited | Real estate | 2022 |
| Ham'Lets Trading Limited | Real estate | 2021 |
| Hamad Traders Limited | Wholesale & retail | 2025 |
| Hamati Ltd | Extraterritorial | 2024 |
| Hamlett Holdings Limited | Extraterritorial | 2021 |
| Hampshire's Estate & Lettings Agents Ltd | Real estate | 2014 |
| Hampson Electrical Supplies Limited | Wholesale & retail | 2019 |
| Hampstead Dyslexia Clinic Limited | Education | 2021 |
| Hamsard 3524 Limited | Extraterritorial | 2018 |
| Hanady Pharma Limited | Professional & scientific | 2012 |
| Hancroft Limited | Other services | 2006 |
| Handmade Studio Ltd | Manufacturing | 2025 |
| Handy Tailoring Ltd | Manufacturing | 2021 |
| Haniyya Dentistry Limited | Health & social care | 2025 |
| Hannah Webster Photography Ltd | Professional & scientific | 2015 |
| Hantech Hvac Services Ltd | Energy | 2021 |
| Happiness in Mind Limited | Health & social care | 2007 |
| Happy Cheadle Limited | Hospitality | 2025 |
| Happy Space Property Ltd | Real estate | 2023 |
| Haque MD Health Ltd | Health & social care | 2014 |
| Harbige Homes Ltd | Real estate | 2017 |
| Hargrave Fleetwash Limited | Administrative & support | 2017 |
| Harmer Group Ltd | Financial services | 2025 |
| Harmonic Digital Ltd | Information & communication | 2024 |
| Harper Homes Cheshire Limited | Real estate | 2017 |
| Harper Nails Bar Ltd | Other services | 2023 |
| Harpmanor Limited | Financial services | 1985 |
| Harrison Bryce Limited | Professional & scientific | 2012 |
| Harrogate Estates Limited | Construction | 2018 |
| Harry Berger DRY Cleaners Limited | Other services | 2020 |
| Hart Psychological Consulting Limited | Professional & scientific | 2015 |
| Hartland Electrical Systems Limited | Construction | 1991 |
| Hartland Forest Lodge Owners Management Co. Ltd | Other services | 2008 |
| Harts Property Holdings Limited | Financial services | 2025 |
| Hassle Free Homes Ltd | Real estate | 2018 |