| Gatley Golf Club,Limited(The) | Arts & recreation | 1950 |
| Gatley Leisure Limited | Manufacturing | 2012 |
| Gatleys Holdings Limited | Real estate | 2025 |
| Gato Gordo Limited | Professional & scientific | 2009 |
| Gatoff Ltd | Education | 2022 |
| Gator Engineering Ltd | Professional & scientific | 2020 |
| Gators Home Developments Limited | Construction | 2025 |
| Gauceu Ltd | Extraterritorial | 2022 |
| Gauntlet Medical Ltd | Health & social care | 2024 |
| Gauss Microsense Technologies Ltd | Manufacturing | 2025 |
| Gavarecci Ltd | Wholesale & retail | 2019 |
| Gavco Holdings Limited | Professional & scientific | 2022 |
| Gavels Down Ltd | Administrative & support | 2024 |
| Gavi Travel Limited | Administrative & support | 2026 |
| Gavin International Trading Co., Ltd | Extraterritorial | 2022 |
| Gavin Long Ltd | Wholesale & retail | 2025 |
| Gavin Shute Acorn Landscapes Ltd | Construction | 2018 |
| Gavista Limited | Professional & scientific | 2007 |
| Gavlis Group Ltd | Real estate | 2020 |
| Gavreel Limited | Construction | 2026 |
| Gavsound Ltd | Information & communication | 2012 |
| Gawsworth Properties Limited | Real estate | 2007 |
| Gawsworth Property Company Limited | Real estate | 2015 |
| Gawsworth Stores Limited | Wholesale & retail | 2003 |
| GAY City Bowlers C.I.C. | Arts & recreation | 2024 |
| Gaycor Technology Limited | Extraterritorial | 2017 |
| Gaydio Brighton Limited | Information & communication | 2015 |
| Gaydio Community Interest Company | Information & communication | 2008 |
| Gaydio Digital Limited | Information & communication | 2014 |
| Gaydio Events Ltd | Arts & recreation | 2024 |
| Gayena Ltd | Extraterritorial | 2023 |
| Gayle Holdings Limited | Financial services | 2024 |
| Gaynor Limited | Administrative & support | 2016 |
| Gaynor Marie Limited | Manufacturing | 2019 |
| Gaythorn Properties Limited | Real estate | 1951 |
| Gayton Homes Ltd | Construction | 2015 |
| Gaza Fried Chicken Limited | Hospitality | 2025 |
| Gaza Halal Meat Limited | Wholesale & retail | 2015 |
| Gazal Enterprise GB Ltd | Administrative & support | 2022 |
| Gazelle Cargo Ltd | Transport & logistics | 2024 |
| Gazelle Plastering Services Ltd | Construction | 2022 |
| Gazelle Property Limited | Real estate | 2019 |
| Gazeller Ltd | Wholesale & retail | 2025 |
| Gazetown Limited | Households | 1989 |
| Gazian Limited | Wholesale & retail | 2022 |
| Gazooky Studios (Immersive Storylab) Ltd | Information & communication | 2017 |
| Gazzard Accounts Ltd | Professional & scientific | 2011 |
| Gazzard Media Ltd | Information & communication | 2014 |
| GB Bargain Appliances Ltd | Wholesale & retail | 2025 |
| GB Boiler Tech Ltd | Construction | 2024 |
| GB Development Cheshire Ltd | Construction | 2024 |
| GB Executive Services Ltd | Transport & logistics | 2021 |
| GB Fitness and Health Limited | Arts & recreation | 2026 |
| GB Gold Properties Limited | Real estate | 2017 |
| GB Health Supplements Limited | Wholesale & retail | 2025 |
| GB Hospitality (NW) Ltd | Hospitality | 2024 |
| GB Investment Management Limited | Professional & scientific | 2020 |
| GB Layers Limited | Hospitality | 2023 |
| GB Legacy Ltd | Arts & recreation | 2025 |
| GB MCR Group Limited | Hospitality | 2020 |
| GB Mobile Tyres Ltd | Wholesale & retail | 2025 |
| GB MOT Training Ltd | Other services | 2016 |
| GB Nest Solutions Ltd | Real estate | 2025 |
| GB OTI Properties Limited | Real estate | 2025 |
| GB Parking Ltd | Wholesale & retail | 2011 |
| GB Prods. Ltd | Wholesale & retail | 2026 |
| GB Projects North West Limited | Professional & scientific | 2013 |
| GB Renewable Energy Limited | Professional & scientific | 2024 |
| GB Roadmarkings Ltd | Construction | 2026 |
| GB Service Group Ltd | Administrative & support | 2020 |
| GB Slipform Limited | Construction | 2016 |
| GB Spray Foam Removal Ltd | Construction | 2024 |
| GB Traders NW Ltd | Construction | 2021 |
| GBA Production Ltd | Arts & recreation | 2021 |
| Gbalers Europe Ltd | Wholesale & retail | 2025 |
| GBC MCR Ltd | Transport & logistics | 2023 |
| GBC Negocios Digitais Ltd | Wholesale & retail | 2026 |
| GBC Topco Limited | Financial services | 2020 |
| GBC2 Limited | Financial services | 2025 |
| GBD Deansgate Ltd | Hospitality | 2025 |
| Gbesj Consulting Ltd | Professional & scientific | 2021 |
| Gbhgroup Ltd | Information & communication | 2022 |
| GBM Business Ltd | Wholesale & retail | 2019 |
| GBM Digital Technologies Group Holdings Limited | Financial services | 2022 |
| GBM Digital Technologies Group Limited | Financial services | 2020 |
| GBM Digital Technologies Holdings Limited | Financial services | 2010 |
| GBM Digital Technologies Limited | Wholesale & retail | 1992 |
| Gbmb Partnership Ltd | Hospitality | 2026 |
| Gbmm Limited | Real estate | 2020 |
| GBR Living Ltd | Real estate | 2026 |
| GBR Millson Ltd | Real estate | 2021 |
| GBR7 Ltd | Real estate | 2021 |
| GBT Wigan Ltd | Water & waste | 2021 |
| Gbvco Online Limited | Wholesale & retail | 2022 |
| GC Building Solutions Ltd | Construction | 2021 |
| GC Comps Ltd | Wholesale & retail | 2025 |
| GC Consulting 1961 Limited | Professional & scientific | 2014 |
| GC Fuel Ltd | Wholesale & retail | 2018 |
| GC Insight Limited | Professional & scientific | 1996 |
| GC Lofts Ltd | Construction | 2021 |