| GP Golf Travel Limited | Administrative & support | 2023 |
| GR8 Properties Ltd | Real estate | 2011 |
| Grace & Hayden Ltd | Wholesale & retail | 2019 |
| Graham Court Management Limited | Households | 2020 |
| Graham Jones Scenic Creative Limited | Administrative & support | 2015 |
| Graham Snape Limited | Information & communication | 2015 |
| Grahlas (UK) Limited | Administrative & support | 2017 |
| Grand Electrical Limited | Construction | 2026 |
| Grand Leonard Ltd | Transport & logistics | 2022 |
| Grand Renewables Limited | Professional & scientific | 2025 |
| Grand Union Ventures Limited | Information & communication | 2018 |
| Grandeur Spaces Ltd | Real estate | 2025 |
| Grange House Lets Ltd | Real estate | 2024 |
| Grant Specialist Cars Limited | Wholesale & retail | 2007 |
| Grape Juice Graphics Limited | Extraterritorial | 2024 |
| Graphic Tech Limited | Arts & recreation | 2025 |
| Graylane Holdings Ltd | Information & communication | 2024 |
| Graylin Planning Solutions Limited | Professional & scientific | 2014 |
| Great Malvern Properties Limited | Real estate | 2020 |
| Greaves Limited | Other services | 2005 |
| Green Air Conditioning Limited | Administrative & support | 1999 |
| Green ANT Edits Ltd | Information & communication | 2012 |
| Green Clover Developments Limited | Construction | 2019 |
| Green Gorilla Apps Ltd | Information & communication | 2012 |
| Green River Consulting Limited | Professional & scientific | 2022 |
| Greenacres Lane Management Company Limited | Households | 2019 |
| Greenclover Limited | Extraterritorial | 2005 |
| Greenlands Construction Limited | Administrative & support | 2018 |
| Greenrose Limited | Real estate | 1998 |
| Greens Catering Limited | Hospitality | 2026 |
| Greenspace Garden Services Ltd | Extraterritorial | 2023 |
| Greenvale Surveying Ltd | Other services | 2014 |
| Grenadier Militaria International Ltd | Wholesale & retail | 2024 |
| Gretton Motors Limited | Transport & logistics | 1982 |
| Grey Bear Consulting Limited | Professional & scientific | 2023 |
| Grey Matter Studio Ltd | Information & communication | 2025 |
| Greywood Components Ltd | Professional & scientific | 2017 |
| Griffin Consulting Ltd | Administrative & support | 2024 |
| Grinsty Rail Limited | Manufacturing | 2011 |
| Groomed Exteriors Limited | Administrative & support | 2026 |
| Grundy's Lane Properties Limited | Real estate | 2020 |
| Grupo Antolin UK Limited | Administrative & support | 1988 |
| GS Ground Services Ltd | Construction | 2023 |
| GS Transport Solutions Ltd | Transport & logistics | 2026 |
| GSB Mortgages Limited | Financial services | 2017 |
| GSB Property Management Ltd | Real estate | 2022 |
| GSP Construction (Redditch) Limited | Construction | 2020 |
| GTF Properties Limited | Real estate | 2023 |
| Guardian ANG3LS CIC | Administrative & support | 2024 |
| Guardian Legal Services Limited | Financial services | 2006 |
| Guide Share Europe UK Limited | Information & communication | 2023 |
| Guiding Lights Mentoring CIC | Education | 2025 |
| Gural Design Limited | Professional & scientific | 2015 |
| Guvvyco Ltd | Hospitality | 2026 |
| GW Property Group Limited | Financial services | 2022 |
| GW Property Investments Ltd | Real estate | 2020 |
| GY Wholesale Limited | Wholesale & retail | 2026 |
| Gymwithizz Ltd | Wholesale & retail | 2026 |
| Gynnwood Electrical Ltd | Construction | 2010 |
| H & G Carpentry Ltd | Construction | 2007 |
| H. C. Webb & Co. Limited | Extraterritorial | 2009 |
| H.R.Mann Limited | Construction | 1962 |
| H3 Autos Limited | Wholesale & retail | 2023 |
| Habbykids Ltd | Wholesale & retail | 2018 |
| Hacienda Hair Limited | Other services | 2017 |
| Hackles Design Ltd | Professional & scientific | 2025 |
| Hadley & Co (Commercial) Limited | Real estate | 2009 |
| Hadley & Co (Group) Limited | Professional & scientific | 2009 |
| Hadley & Co (Lettings) Limited | Real estate | 2009 |
| Hadley & Co (Sales) Limited | Real estate | 2009 |
| Hadley & Co Surveyors Ltd | Professional & scientific | 2025 |
| Hagley Bar and Restaurant Limited | Hospitality | 2017 |
| Hagley Building & Civil Engineering Ltd | Construction | 2006 |
| Hailstone Group Ltd | Manufacturing | 2017 |
| Hair by Alison Carr Limited | Other services | 2010 |
| Hair by Kaka Ltd | Other services | 2022 |
| Hair by Rachel Jones Ltd | Other services | 2015 |
| Hair in the Square Limited | Other services | 2015 |
| Halcyon Business Ltd | Administrative & support | 2025 |
| Halcyon Education Ltd | Professional & scientific | 2015 |
| Hales Property Management Limited | Real estate | 2013 |
| Halfords Autocentres Developments Limited | Professional & scientific | 2009 |
| Halfords Autocentres Limited | Wholesale & retail | 2000 |
| Halfords CFS Holdings Limited | Financial services | 2022 |
| Halfords Commercial Fleet Services Limited | Wholesale & retail | 1954 |
| Halfords Financial Services Limited | Professional & scientific | 1985 |
| Halfords Group Holdings Limited | Financial services | 2021 |
| Halfords Group PLC | Professional & scientific | 2002 |
| Halfords Investments (2010) LP | | 2010 |
| Halfords IP Management Limited | Wholesale & retail | 2016 |
| Halfords Limited | Wholesale & retail | 1909 |
| Halftail Productions LLP | | 2025 |
| Hall Projects Ltd | Wholesale & retail | 2026 |
| Hall's Commercial Bodybuilders Limited | Manufacturing | 2007 |
| Hambling Court Management Company Limited | Households | 2022 |
| Hambro Capital Limited | Administrative & support | 2011 |
| Hamico Ltd | Real estate | 2011 |
| Hamiltons Chocolates Limited | Manufacturing | 2009 |
| Hamiltons Consulting Ltd | Information & communication | 2015 |
| Hammerstone Property Ltd | Real estate | 2024 |