| Garcha Brothers Transport Limited | Transport & logistics | 2004 |
| Garcha Holdings Ltd | Financial services | 2017 |
| Garcha Investments & Lettings Ltd | Real estate | 2012 |
| Garcha Investments Ltd | Real estate | 2026 |
| Garcha Property Ltd | Real estate | 2019 |
| Garchai Ltd | Hospitality | 2020 |
| Gardan Landscaping Limited | Construction | 2023 |
| Gardash Ltd | Hospitality | 2021 |
| Garde D'Enfants Limited | Health & social care | 2025 |
| Gardeco Limited | Wholesale & retail | 1993 |
| Garden App Ltd | Administrative & support | 2023 |
| Garden Centre Sales Limited | Wholesale & retail | 2004 |
| Garden City Estates Ltd | Real estate | 2020 |
| Garden Court (Five Ways) Management Company Limited | Households | 2004 |
| Garden House Midlands Ltd | Extraterritorial | 2022 |
| Garden Oak Foods Limited | Hospitality | 2021 |
| Garden of Health Limited | Wholesale & retail | 2025 |
| Garden Rose Landscapes Ltd | Administrative & support | 2017 |
| Garden Space 360 Limited | Construction | 2020 |
| Gardenbug Landscaping Limited | Administrative & support | 2024 |
| Gardener in Birmingham Ltd | Administrative & support | 2022 |
| Gardenista Limited | Wholesale & retail | 2016 |
| Gardenornaments Ltd | Wholesale & retail | 2026 |
| Gardensite.Co.Uk Limited | Extraterritorial | 2003 |
| Gardentransformers Ltd | Administrative & support | 2025 |
| Gardyou Ltd | Manufacturing | 2024 |
| Gareth Crouton Kelly Ltd | Public administration | 2020 |
| Garex International Ltd. | Professional & scientific | 2004 |
| Garfield Hydrol Limited | Manufacturing | 1979 |
| Garg Healthcare Limited | Health & social care | 2021 |
| Garg Solicitors Ltd | Professional & scientific | 2015 |
| Garhi International Ltd | Professional & scientific | 2025 |
| Garhill Limited | Financial services | 1981 |
| Garlick's Limited | Wholesale & retail | 1999 |
| Garlock (Great Britain) Limited | Manufacturing | 1971 |
| Garment DOC Ltd | Wholesale & retail | 2025 |
| Garmentsgallery Limited | Manufacturing | 2025 |
| Garmezoo Ltd | Wholesale & retail | 2025 |
| Garmyan Food Ltd | Hospitality | 2024 |
| Garnet Business Solutions Ltd | Administrative & support | 2024 |
| Garnet Court Sceptre Park RTM Company Limited | Extraterritorial | 2010 |
| Garnet Group Holdings Ltd | Financial services | 2025 |
| Garoline Limited | Information & communication | 2016 |
| Garratts Wolverhampton Limited | Professional & scientific | 2003 |
| Garrean Solution Ltd | Professional & scientific | 2022 |
| Garrett Grove Residents Management Company Limited | Households | 2024 |
| Garrett Hall Fields (Tyldesley) Block Management Company Limited | Households | 2024 |
| Garrett Hall Fields (Tyldesley) Freehold Management Company Limited | Households | 2024 |
| Garrick Management Company Limited | Households | 1982 |
| Garrison Housewares Ltd | Wholesale & retail | 2023 |
| Garrison Land Developments Ltd | Construction | 2022 |
| Garrison Leasing Ltd | Administrative & support | 2023 |
| Garrison Supplies Limited | Administrative & support | 2026 |
| Garry Chapman MR Consultancy & Audio Hire Ltd | Information & communication | 2021 |
| Garry Fish Bar Ltd | Hospitality | 2024 |
| Garry Jones Contractors Limited | Professional & scientific | 2013 |
| Garry Service Limited | Construction | 2025 |
| Gart Group Ltd | Information & communication | 2021 |
| Garud Enterprises Ltd | Hospitality | 2016 |
| Garvic Limited | Construction | 1964 |
| Gary a. Egan Financial Services Limited | Financial services | 2004 |
| Gary Davis Limited | Construction | 2006 |
| Gary Rawlings Logistics Ltd | Transport & logistics | 2020 |
| Gary Sambrook Consultancy Limited | Professional & scientific | 2024 |
| Gary Thorpe Associates Limited | Professional & scientific | 2006 |
| Garys Garden Maintenance Ltd | Administrative & support | 2020 |
| GAS & Energy Limited | Construction | 2024 |
| GAS & Heating Group Ltd | Professional & scientific | 2024 |
| GAS and Elec Connections Ltd | Construction | 2025 |
| GAS Appliances Solutions Ltd | Construction | 2021 |
| GAS Avenue Ltd | Construction | 2020 |
| GAS Certificate Services Ltd | Construction | 2026 |
| GAS Co Solutions Limited | Professional & scientific | 2015 |
| GAS Engineer & Development Services UK Ltd | Other services | 2021 |
| GAS Engineering Solutions Limited | Professional & scientific | 2024 |
| GAS Heating Services (West Midlands) Ltd | Construction | 2016 |
| GAS Holmes Limited | Construction | 2022 |
| GAS Mania Ltd | Construction | 2024 |
| GAS Nation Ltd | Energy | 2023 |
| GAS Serve Ltd | Construction | 2018 |
| GAS Street Entertainments Ltd | Hospitality | 2025 |
| GAS Street Works Limited | Administrative & support | 2001 |
| GAS Utilities Limited | Construction | 2008 |
| Gasco-Hp Limited | Construction | 2022 |
| Gascris Limited | Administrative & support | 2025 |
| Gasfix Midlands Limited | Construction | 2021 |
| Gasg Ltd | Construction | 2025 |
| Gasket Solution Ltd | Wholesale & retail | 2019 |
| Gasmate Ltd | Professional & scientific | 2020 |
| Gasol LNG Import Limited | Energy | 2013 |
| Gasol PLC | Mining & quarrying | 2005 |
| Gasol Upstream Limited | Mining & quarrying | 2013 |
| Gasp Holdings Ltd | Households | 2023 |
| Gasp Properties Ltd | Real estate | 2018 |
| Gastech Systems Limited | Mining & quarrying | 2007 |
| Gastex Group Ltd | Construction | 2022 |
| Gaston Delivery Limited | Transport & logistics | 2025 |
| Gastro & Play Entertaiment Limited | Administrative & support | 2008 |
| Gastro Logistics Ltd | Hospitality | 2025 |
| Gastro Medical Limited | Health & social care | 2018 |