| GHP Forensics Ltd | Extraterritorial | 2004 |
| Gibbs Management Services Limited | Professional & scientific | 2007 |
| Gibson Estates (Bath) LP | | 2000 |
| Giddins Partners Limited | Health & social care | 2018 |
| Giggling Pheasant Limited | Information & communication | 2025 |
| Gild Reports Limited | Information & communication | 2026 |
| Gilder Holdings Limited | Real estate | 2022 |
| Giles Developments & Agriculture Ltd | Agriculture & fishing | 2025 |
| Gilt Ltd | Other services | 2019 |
| Giltsoff Limited | Professional & scientific | 2022 |
| GIN Science Ltd | Information & communication | 2019 |
| Ginger Rascal Limited | Information & communication | 2012 |
| Gisp (South West) Limited | Financial services | 2017 |
| Giuseppe Dell'Anno Limited | Arts & recreation | 2022 |
| Giuseppe of Bath Limited | Other services | 2010 |
| GKT Limited | Wholesale & retail | 2022 |
| GL Tucker Engineering Limited | Construction | 2014 |
| Glamstreams Limited | Other services | 2020 |
| Glass Protect Limited | Manufacturing | 2016 |
| Glass Work Press Ltd | Information & communication | 2021 |
| Glasshouse Hotel Limited | Financial services | 2016 |
| Glean.Ly Limited | Information & communication | 2018 |
| Glenavon Communications Limited | Professional & scientific | 2013 |
| Glidepay Limited | Information & communication | 2024 |
| GLO Pamper Limited | Other services | 2010 |
| Global Bright Futures Limited | Professional & scientific | 2017 |
| Global Climate Ltd | Professional & scientific | 2024 |
| Global Forest Futures Ltd | Professional & scientific | 2023 |
| Global Image Development Ltd | Professional & scientific | 2019 |
| Global Leadership Ltd | Information & communication | 2006 |
| Global Learning Consultancy Ltd | Professional & scientific | 2010 |
| Global Medical Information Limited | Information & communication | 2025 |
| Global Optimism Impact | Administrative & support | 2021 |
| Global Optimism Strategy Limited | Administrative & support | 2016 |
| Global Research Alliance for Sustainable Finance and Investment | Professional & scientific | 2020 |
| Gloverctl Limited | Wholesale & retail | 2023 |
| Glow Market Limited | Public administration | 2020 |
| Glyme Structures Ltd | Professional & scientific | 2018 |
| GM Investments Private Limited | Real estate | 2020 |
| GM Medical Services Ltd | Health & social care | 2018 |
| Gmeproperty Limited | Extraterritorial | 2018 |
| GMH Consultancy Limited | Information & communication | 2019 |
| GMK Communications Limited | Professional & scientific | 2004 |
| GML Property Co Ltd | Real estate | 2025 |
| GMR Marway Properties Ltd | Real estate | 2022 |
| Gnempower Consulting Ltd | Administrative & support | 2025 |
| Gnmahar Limited | Wholesale & retail | 2023 |
| Go GET Organised Ltd | Administrative & support | 2012 |
| Go Getter Records Ltd | Wholesale & retail | 2018 |
| GO-2- Bookings Ltd | Administrative & support | 2021 |
| Go.Courses Ltd | Education | 2003 |
| Goddard Property Ltd | Construction | 2019 |
| Godfrey Coaching Limited | Professional & scientific | 2019 |
| Gold & Platinum Studio Limited | Manufacturing | 1996 |
| Golden Brew Ltd | Hospitality | 2023 |
| Golden Cookies Ltd | Hospitality | 2020 |
| Golden Disco Bath CIC | Health & social care | 2026 |
| Golden Spa Limited | Health & social care | 2018 |
| Goldenhour Solar Limited | Construction | 2026 |
| Goldilocks Ltd | Professional & scientific | 2024 |
| Golf Huts International Ltd | Wholesale & retail | 2025 |
| Good Bones Limited | Professional & scientific | 2021 |
| Good Commodities Ltd | Wholesale & retail | 2022 |
| Good Day Coffee Ltd | Hospitality | 2017 |
| Good EGG Eatery Limited | Hospitality | 2018 |
| Good Grief Festival CIC | Education | 2024 |
| Good Growth Partners Ltd | Administrative & support | 2018 |
| Good Life Gym Limited | Arts & recreation | 2016 |
| Good Life Gymnastics Limited | Arts & recreation | 2015 |
| Good Pharma Dermatology Limited | Wholesale & retail | 2017 |
| Good Pulse Foods Limited | Manufacturing | 2021 |
| Good Soup Ltd | Wholesale & retail | 2023 |
| Good With Tech Ltd | Information & communication | 2026 |
| Goodeats (UK) Limited | Hospitality | 1985 |
| Goodhub Platforms Limited | Information & communication | 2017 |
| Goodies Delicatessen Limited | Wholesale & retail | 2014 |
| Gooding & Crow Consultancy Limited | Professional & scientific | 2019 |
| Gooding Consultancy Services Limited | Professional & scientific | 2019 |
| Gooding Law Company Ltd | Professional & scientific | 2024 |
| Goodlines Studio Limited | Professional & scientific | 2020 |
| Goodsense Superfoods Ltd | Manufacturing | 2023 |
| Goodwin-Watts Properties Limited | Real estate | 2025 |
| Goose Collaborative Ltd | Professional & scientific | 2023 |
| Gopinath Foods Ltd | Hospitality | 2026 |
| Gordon Jones Holdings Limited | Financial services | 2023 |
| Gordon Sparrow Limited | Real estate | 1986 |
| Gore Consulting Ltd | Professional & scientific | 2017 |
| Gormley Builders Limited | Construction | 2025 |
| Goswamienterprise Limited | Information & communication | 2025 |
| Gothic Opera Limited | Arts & recreation | 2019 |
| Goulash Life Ltd | Extraterritorial | 2019 |
| Gourmet Noodles Ltd | Hospitality | 2024 |
| Gourmet Partners Imports Ltd | Wholesale & retail | 2025 |
| Gourmet Partners Ltd | Wholesale & retail | 2023 |
| Gplan Holdings Ltd | Professional & scientific | 2017 |
| Grace Horton Ltd | Professional & scientific | 2026 |
| Graceful Wanderlust Limited | Administrative & support | 2023 |
| Gracie Barra Bath Ltd | Arts & recreation | 2024 |
| Gracie Barra Frome Limited | Arts & recreation | 2021 |
| Gracie Barra Radstock Limited | Arts & recreation | 2023 |