| Gnpl: Gonowpaylater Limited | Administrative & support | 2025 |
| Go Bespoke Limited | Administrative & support | 2013 |
| Go Go Brazilian Limited | Other services | 2023 |
| Go Wild Workshops Limited | Arts & recreation | 2019 |
| Go.Botanica Limited | Wholesale & retail | 2001 |
| Goat Digital Ltd | Professional & scientific | 2016 |
| Godalming Fitness Ltd | Arts & recreation | 2013 |
| Godlove Ltd | Information & communication | 2020 |
| Godmans Court (Cowfold) RTM Company Limited | Households | 2015 |
| Goelevate Ltd | Professional & scientific | 2025 |
| Gofar Motorcycle Repairs Ltd | Wholesale & retail | 2025 |
| Goff Dental Limited | Health & social care | 2021 |
| Gogglebox Productions Ltd | Information & communication | 2002 |
| Goghini Ltd | Manufacturing | 2022 |
| Gogo Kiosk Limited | Wholesale & retail | 2020 |
| Gold Bear Removals Limited | Transport & logistics | 2016 |
| Gold Interior Design Studio Limited | Professional & scientific | 2023 |
| Gold Locks Limited | Construction | 2023 |
| Goldcliff Nurseries Limited | Wholesale & retail | 2002 |
| Golden Curls Ltd | Other services | 2018 |
| Golden Lion (Brighton) Group Ltd | Hospitality | 2010 |
| Golden Lion (Brighton) Properties Ltd | Real estate | 2018 |
| Golden Lion Holdings Ltd | Financial services | 2022 |
| Golden Lion Inns Limited | Extraterritorial | 1988 |
| Golden Lion Taverns Limited | Extraterritorial | 1988 |
| Golden Reel Ltd | Construction | 2012 |
| Goldfinger Investments Ltd | Financial services | 2023 |
| Goldin Construction Ltd | Construction | 2022 |
| Goldisc Limited | Information & communication | 2002 |
| Goldmaze Investments Limited | Real estate | 2012 |
| Goldstone Chapel Limited | Real estate | 2020 |
| Goldstone Corporate Limited | Professional & scientific | 2018 |
| Goldstone Court Freehold (Hove) Limited | Households | 2019 |
| Goldstone Homes Limited | Construction | 2011 |
| Goldstone Investments Limited | Real estate | 1996 |
| Goldstone Organic Food Limited | Wholesale & retail | 2017 |
| Goldstone Productions Ltd | Information & communication | 2021 |
| Goldstone Properties (Sussex) Limited | Real estate | 2019 |
| Goldstone Property Ltd | Real estate | 2019 |
| Goldstone Valley Lofts Limited | Construction | 2022 |
| Goldstone Villas Freeholders Limited | Extraterritorial | 2024 |
| Golf Villa Rentals Limited | Hospitality | 2016 |
| Golly Ltd | Manufacturing | 2024 |
| Gonggam DV Ltd | Hospitality | 2021 |
| Gonzo Developments Ltd | Real estate | 2010 |
| Goob Tech Ltd | Information & communication | 2025 |
| Gooch Enterprises Limited | Wholesale & retail | 2003 |
| Good and Nice Limited | Professional & scientific | 2022 |
| Good Connexions (Sussex) Limited | Construction | 2020 |
| Good Evans Group Ltd. | | 2015 |
| Good Gardener Limited | Administrative & support | 2023 |
| Good Innovations Group Limited | Financial services | 2023 |
| Goodburn Accounting Ltd | Professional & scientific | 2018 |
| Goodfellas Grooming Ltd | Other services | 2024 |
| Goodhand Acoustics Limited | Professional & scientific | 2012 |
| Goodlaw Limited | Real estate | 2014 |
| Goodlaw Solicitors LLP | | 2018 |
| Goodman Lantern Limited | Professional & scientific | 2010 |
| Goodman Property Investments (Hove) Limited | Real estate | 1953 |
| Goodstock Limited | Hospitality | 2013 |
| Goodwill Creative Ltd | Professional & scientific | 2024 |
| Goodwin & Tucker Decorating Limited | Construction | 2003 |
| Goosebumps Experiences Ltd | Professional & scientific | 2026 |
| Goqii UK Limited | Administrative & support | 2022 |
| Gorilla Fitness PT Ltd | Arts & recreation | 2019 |
| Goring Court RTM Company Limited | Households | 2014 |
| Gorrod Nominees Limited | Professional & scientific | 2006 |
| Gotemba Ltd | Professional & scientific | 2025 |
| Goulden Property Investments Ltd | Real estate | 2025 |
| GP Dent Limited | Health & social care | 2021 |
| GPD Dent Limited | Health & social care | 2025 |
| GPS Advisers Limited | Financial services | 2024 |
| GPS Legal Limited | Professional & scientific | 2025 |
| Gpsec LLP | | 2023 |
| GPT Sussex Limited | Arts & recreation | 2006 |
| GQ Trading Ltd | Wholesale & retail | 2013 |
| GR Property Assets Limited | Real estate | 2020 |
| Grace International Cleaning Services Ltd | Administrative & support | 2021 |
| Grace Procurement Limited | Professional & scientific | 2005 |
| Gracebella Properties Limited | Real estate | 2010 |
| Graderich Limited | Construction | 1972 |
| Graffiti Solutions Limited | Extraterritorial | 1995 |
| Graham Hewitt Financial Planning Ltd | Financial services | 2014 |
| Grail Consulting Limited | Information & communication | 2012 |
| Grail Health Limited | Other services | 2022 |
| Gramarye Undertakings Limited | Construction | 2025 |
| Grand 1956 Limited | Extraterritorial | 2013 |
| Grand Aesthetics Ltd | Other services | 2017 |
| Grand Avenue Mansions Trustee Limited | Households | 2011 |
| Grand Stay Ltd | Real estate | 2023 |
| Grande Structural & Groundwork Ltd | Construction | 2025 |
| Grandpar Limited | Households | 2007 |
| Grange Club (Birtley) Limited (the) | Arts & recreation | 1965 |
| Grange County Properties Limited | Construction | 2004 |
| Grantwish Limited | Information & communication | 2016 |
| Grape & Grain Ltd | Wholesale & retail | 2017 |
| Grated Carrot Ltd | Professional & scientific | 2025 |
| Gratitude Tree Grocers Ltd | Wholesale & retail | 2014 |
| Gravett Carpentry Ltd | Construction | 2013 |
| Gray Brands Consulting Ltd | Professional & scientific | 2023 |