| GEM Construction 2024 Ltd | Construction | 2024 |
| GEM Corporate Services Limited | Professional & scientific | 2016 |
| GEM Glamour Ltd | Other services | 2022 |
| GEM New Homes Limited | Construction | 2026 |
| GEM Project Consultants Ltd | Professional & scientific | 2025 |
| GEM Solar and Build Limited | Construction | 2026 |
| Gemcall Services Ltd | Construction | 2025 |
| Gemcom (UK) Ltd | Education | 2005 |
| Geminai Ltd | Education | 2022 |
| Gemini Complete Services Ltd | Construction | 2026 |
| Gemini Financial Services Ltd | Financial services | 2020 |
| Gemolade Limited | Wholesale & retail | 2014 |
| Gemonica Ltd | Real estate | 2021 |
| Gemstone Designs Limited | Manufacturing | 1999 |
| GEN Traders Limited | Wholesale & retail | 2025 |
| GEN2 Mechanical Services Ltd | Construction | 2021 |
| Genco 514 Limited | Hospitality | 2021 |
| Genefit Ltd | Wholesale & retail | 2025 |
| General Legal Services Storage Limited | Professional & scientific | 2004 |
| General Trading Organisation Limited | Financial services | 2002 |
| Generational Properties & Rentals Ltd | Real estate | 2024 |
| Genesis Estates (Manchester) Limited | Construction | 2001 |
| Genesis Healthcare Solutions Limited | Health & social care | 2022 |
| Genesis Metals Ltd | Wholesale & retail | 2019 |
| Genesis Professional Services Limited | Administrative & support | 2017 |
| Gengia Ltd | Other services | 2026 |
| Genial Limited | Administrative & support | 2001 |
| Genico Ltd | Professional & scientific | 2022 |
| Genie Creative Limited | Professional & scientific | 2006 |
| Genome Ltd | Information & communication | 2018 |
| Gentian Projects (Oxfordshire Two) Limited | Real estate | 2014 |
| Gents Barber Parkgate Ltd | Other services | 2022 |
| Gentz Barbers F1 Manchester Limited | Other services | 2020 |
| Genuine Partnerships Community Interest Company | Other services | 2011 |
| Genus Design Homes Limited | Construction | 2017 |
| GEO Law Illustration Ltd | Arts & recreation | 2016 |
| GEO Political Research Limited | Administrative & support | 2002 |
| GEO Supplies Ltd | Wholesale & retail | 1988 |
| GEO. Robson & Co (Conveyors) Limited | Professional & scientific | 2016 |
| Geoff Foden Online Coaching Ltd | Education | 2022 |
| Geoff Melvin Limited | Professional & scientific | 2002 |
| Geogith Services Ltd | Professional & scientific | 2021 |
| Geohab Limited | Information & communication | 2019 |
| Geordie Greep Ltd | Information & communication | 2024 |
| Geordieland Ltd | Health & social care | 2018 |
| George Auto Repairs Ltd | Wholesale & retail | 2025 |
| George Barnsley & Sons Ltd. | Extraterritorial | 2019 |
| George C. Bell Ltd | Other services | 2020 |
| George Chaloner Property Ltd | Real estate | 2006 |
| George Financial Management Limited | Professional & scientific | 2010 |
| George Glossop & Company Limited | Extraterritorial | 1925 |
| George Grayson Fitness Limited | Arts & recreation | 2022 |
| George Ibberson & Co. Limited | | 1932 |
| George Ibberson (Sheffield) Limited | Professional & scientific | 2008 |
| George Ibbotson (Steels) Limited | Wholesale & retail | 1992 |
| George Leatherland Limited | Other services | 2026 |
| George Marshall Industries Limited | Construction | 1971 |
| George Mudford and Sons Limited | Other services | 1989 |
| George Peacock Limited | Construction | 2017 |
| George Robson Limited | Real estate | 2021 |
| George Solutions Private Limited | Wholesale & retail | 2015 |
| George Wostenholm & SON Limited | Manufacturing | 1985 |
| Georgian Jewellery Box Limited | Manufacturing | 2024 |
| Georgiana Limited | Wholesale & retail | 2017 |
| Georgie Wood Studios Ltd | Professional & scientific | 2024 |
| Georgina Gunner Limited | Arts & recreation | 2009 |
| Geospatial Core Solutions Ltd | Information & communication | 2026 |
| Geostories Limited | Information & communication | 2022 |
| Geotechnical Plant Services Ltd | Administrative & support | 2018 |
| Geppetto Consulting Ltd | Information & communication | 2023 |
| Geraghty Property Ltd | Real estate | 2024 |
| Geraldtech Ltd | Information & communication | 2025 |
| Gerard Harris Film Limited | Information & communication | 2014 |
| Gerco Holdings Ltd | Professional & scientific | 2016 |
| Gergana and Shkelzen Co Ltd | Hospitality | 2023 |
| German Autocare Sheffield Ltd | Wholesale & retail | 2024 |
| German Autocentre Cars Limited | Wholesale & retail | 2021 |
| German Autocentre Ltd | Wholesale & retail | 2020 |
| German Autohaus Limited | Wholesale & retail | 2014 |
| German Kitchen Outlet Limited | Construction | 2021 |
| Geronimo Trading Co Ltd | Manufacturing | 2022 |
| Gerry's Bakery & Coffee Shop Ltd | Wholesale & retail | 2025 |
| Gerry's Bakery and Coffee House Limited | Professional & scientific | 2013 |
| Gerry's Bakery Ltd | Hospitality | 2024 |
| Gers Power Ltd | Professional & scientific | 2024 |
| Gervase Phinn Limited | Arts & recreation | 2002 |
| GES Tool & Plant Ltd | Manufacturing | 2021 |
| Gesa Visar Company Limited | Manufacturing | 2009 |
| GET Charging Ltd | Construction | 2017 |
| GET Cited Ltd | Wholesale & retail | 2022 |
| GET in Ltd | Professional & scientific | 2024 |
| GET IT CUT Garden Services Limited | Other services | 2025 |
| GET IT Here Limited | Information & communication | 2008 |
| GET LIT Books Limited | Arts & recreation | 2024 |
| GET Loos Ltd | Administrative & support | 2021 |
| GET Results Training Fitness Ltd | Arts & recreation | 2019 |
| GET Sidetracked Ltd | Wholesale & retail | 2020 |
| GET Smirk Ltd | Manufacturing | 2021 |
| GET Smirk Salon Franchise 1 Ltd | Manufacturing | 2023 |
| GET Smirk Salon Franchise 2 Ltd | Manufacturing | 2023 |