| Green Frog Power (Kells) Limited | Energy | 2023 |
| Green Frog Power (Magherakeel) Limited | Professional & scientific | 2023 |
| Green Frog Power (Tremoge) Limited | Energy | 2023 |
| Green Frog Power Systems Limited | Information & communication | 2015 |
| Green Frog Utilities Limited | Construction | 2014 |
| Green Lane Motor Salvage Limited | Wholesale & retail | 1994 |
| Green MAN Convenience Ltd | Wholesale & retail | 2025 |
| Greenacres Management Company Tamworth Limited | Households | 2017 |
| Greenerx Limited | Wholesale & retail | 2024 |
| Greenpower Plant Hire Ltd | Administrative & support | 2012 |
| Greenpower Plant Sales Limited | Administrative & support | 2020 |
| Greenshields Roofing & Cladding Limited | Construction | 2012 |
| Greenwood (SDD) Limited | Hospitality | 2021 |
| Greenwood and Batley Locomotives Limited | Extraterritorial | 2004 |
| Greenwoods Services (UK) Limited | Administrative & support | 2014 |
| Griffin Midco Limited | Financial services | 2023 |
| Griffin Newco Limited | Professional & scientific | 2023 |
| Griffin Topco Limited | Financial services | 2023 |
| Griggster Limited | Information & communication | 2007 |
| GRM Associates Limited | Professional & scientific | 1997 |
| Group Holdings Ltd | Professional & scientific | 2012 |
| Group NLT Limited | Professional & scientific | 2022 |
| Groupp Biotech Ltd | Professional & scientific | 2023 |
| Grouppero Limited | Wholesale & retail | 2019 |
| GS Delivery Express Ltd | Transport & logistics | 2024 |
| GS Fast Growth Ltd | Professional & scientific | 2019 |
| GS Van Rentals Ltd | Administrative & support | 2023 |
| Gsla Ltd | Information & communication | 2015 |
| GSP Communications Ltd | Information & communication | 2024 |
| GSW Installers Ltd | Transport & logistics | 2025 |
| GT Vehicle Hire Limited | Administrative & support | 2023 |
| Gtlat Ltd | Real estate | 2021 |
| Guardian Windows & Conservatories (Tamworth) Ltd | Construction | 2006 |
| Guerrilla (UK) Limited | Arts & recreation | 2003 |
| Guest Property Ltd | Real estate | 2023 |
| Guidestone Partners Limited | Professional & scientific | 2024 |
| Guideveloper Ltd | Information & communication | 2014 |
| Guild of Architectural Ironmongers Limited(The) | Other services | 1983 |
| Guinan Girl's Logistics Limited | Transport & logistics | 2006 |
| Gumthorn Group Holdings Limited | Financial services | 2025 |
| Gungate Hotel Ltd | Hospitality | 2022 |
| GUO House Ltd | Hospitality | 2026 |
| Guta Solutions Ltd | Transport & logistics | 2016 |
| H & H Pizza Ltd | Hospitality | 2023 |
| H & H Woodcraft Limited | Construction | 2014 |
| H & I Interiors Limited | Construction | 2022 |
| H & S Play Limited | Arts & recreation | 2011 |
| H&L Property Estates and Services Limited | Financial services | 2025 |
| H.C.L Electrical Limited | Construction | 2023 |
| H.E.C. Horsfall Electrical Contractors Ltd. | Construction | 2012 |
| H.H. Bray Limited | Wholesale & retail | 1977 |
| H.S Designs Ltd | Manufacturing | 2020 |
| H20 BED Limited | Wholesale & retail | 2000 |
| Hackwood Electrical Ltd | Construction | 2021 |
| Hael Property Ltd | Real estate | 2020 |
| Hafer Ltd | Wholesale & retail | 2020 |
| Hafod Care Organisation Limited | Health & social care | 2003 |
| Hagley Steel Trading Limited | Wholesale & retail | 1991 |
| Hair Extensions Tamworth Ltd | Other services | 2026 |
| Hairy Hounds Dog Grooming and Training Academy Ltd | Education | 2025 |
| Halcyon Mortgage Broker Ltd | Financial services | 2019 |
| Hall Procurement Consultancy Limited | Professional & scientific | 2025 |
| Halton Turner Brewing Company Ltd | Manufacturing | 2018 |
| Hamel House Limited | Real estate | 2015 |
| Hamilton Claims Solutions Ltd | Financial services | 2013 |
| Hampton Bailey Limited | Information & communication | 2016 |
| Hand Furniture Limited | Wholesale & retail | 2014 |
| Handy Electrical Labour Ltd | Construction | 2017 |
| Handy to Know Services Limited | Other services | 2024 |
| Handy Van LC Limited | Transport & logistics | 2025 |
| Happy Crafter Ltd | Education | 2025 |
| Happy Goods Ltd | Arts & recreation | 2023 |
| Happy Nest Montessori Ltd | Health & social care | 2025 |
| Happy Tax Limited | Professional & scientific | 2025 |
| HAPPYTOHELPHANDYMAN2047 Limited | Administrative & support | 2024 |
| Harflo Management Limited | Professional & scientific | 2025 |
| Hargreaves-Ward Limited | Professional & scientific | 2017 |
| Harlow's Accountancy Limited | Professional & scientific | 2023 |
| Harlow's Property Development Limited | Real estate | 2025 |
| Harmann by Design Ltd. | Households | 2018 |
| Harmonyal Limited | Real estate | 2021 |
| Harris Empire Ltd | Real estate | 2026 |
| Harris Holdings 1 Limited | Financial services | 2019 |
| Harrison Family Group Ltd | Financial services | 2026 |
| Harrisons Property & Services Ltd | Real estate | 2025 |
| Harrold FS Limited | Financial services | 2026 |
| Hart & Soul Development Ltd | Hospitality | 2007 |
| Hart Materials Limited | Wholesale & retail | 2008 |
| Hart Paving Solutions Ltd | Construction | 2023 |
| Harvey Performance UK Limited | Manufacturing | 2005 |
| Haselour Farm Management Limited | Households | 2000 |
| Hatch + Roam Ltd | Wholesale & retail | 2025 |
| Haulsafe UK Limited | Transport & logistics | 2026 |
| Haunton Manor Management Limited | Real estate | 1992 |
| Haus of Kura Ltd | Arts & recreation | 2025 |
| Hawk Eyes Consultancy Services Ltd | Information & communication | 2011 |
| Hawkstone Surveyors Ltd | Professional & scientific | 2025 |
| Hawksworth 1966 Limited | Extraterritorial | 2014 |
| HAY Machine Tools Limited | Manufacturing | 1974 |
| Haycock Property Limited | Real estate | 2024 |