| Glade Griffin Ltd | Administrative & support | 2026 |
| Gladion Limited | Health & social care | 2015 |
| Glams Design Group Ltd | Information & communication | 2015 |
| Glamveedesigns Limited | Wholesale & retail | 2026 |
| Glass House Eastbourne Limited | Hospitality | 2022 |
| Glasvegas Travel Limited | Administrative & support | 2023 |
| Glazing Guru Ltd | Construction | 2025 |
| Glebe Court (Eastbourne) Management Limited | Households | 2022 |
| Glen Edwards Bespoke Furniture Installations Limited | Manufacturing | 2015 |
| Glenn C Cross Water Services Limited | Administrative & support | 2019 |
| Glenn Steffin Holdings Limited | Financial services | 2011 |
| Glentworth Capital Limited | Extraterritorial | 2013 |
| GLM Spinal Care Ltd | Health & social care | 2018 |
| Global Aviation Cargo Ltd | Transport & logistics | 2019 |
| Global Bookkeeping Limited | Professional & scientific | 2014 |
| Global Business Initiative on Human Rights Limited | Administrative & support | 2009 |
| Global Care REC Limited | Administrative & support | 2023 |
| Global Care Recruitment Agency Limited | Health & social care | 2015 |
| Global Creative Studios Ltd | Information & communication | 2023 |
| Global Falcons (UK) Ltd. | Transport & logistics | 2008 |
| Global Internal Offshore Limited | Mining & quarrying | 2025 |
| Global Socialwork Ltd | Health & social care | 2023 |
| Global Student Transfer Limited | Education | 2010 |
| Global Tailor Holdings Limited | Professional & scientific | 2010 |
| Global Tailor Limited | Wholesale & retail | 2003 |
| Glomilite Limited | Wholesale & retail | 2024 |
| Glomira Aesthetics Ltd | Other services | 2025 |
| Glorious Cycling Ltd | Administrative & support | 2021 |
| Gloucester Court (Worthing) Limited | Households | 1995 |
| Gloucester House (Eastbourne) Ltd | Households | 2021 |
| Gloucester Mews Management Company (Eastbourne) Limited | Households | 2004 |
| Glowderm & Dentics Limited | Other services | 2026 |
| GLS Medical Limited | Wholesale & retail | 2021 |
| GME Group Limited | Construction | 2013 |
| GME Retail Ltd | Wholesale & retail | 2023 |
| GME Solutions Ltd | Information & communication | 2025 |
| Gmee Venture Holdings Ltd | Financial services | 2025 |
| GML Partners Ltd | Professional & scientific | 2018 |
| GMT Consulting Services Limited | Administrative & support | 2024 |
| GMX Ortho Limited | Health & social care | 2022 |
| GNR Stores Limited | Wholesale & retail | 2022 |
| Go Aviation Management Ltd | Professional & scientific | 2015 |
| Go NOW Limited | Transport & logistics | 2024 |
| Go Proud Ltd | Professional & scientific | 2018 |
| GO2 Music Academy Limited | Other services | 2021 |
| Goal Rush Eastbourne Ltd | Information & communication | 2026 |
| Gobenanas Limited | Administrative & support | 2021 |
| GOD DID Ltd | Health & social care | 2022 |
| Goddards Landscapes Limited | Administrative & support | 2001 |
| Godin Sporting Cars and Motorcycles Limited | Wholesale & retail | 2013 |
| Goffs (Crawley) Leasehold Management Company Limited | Households | 2010 |
| Goffs House Management Limited | Administrative & support | 2005 |
| Gojk Limited | Real estate | 2025 |
| Goldchip Property Investments Limited | Real estate | 2004 |
| Golden (Lions) Eastbourne Limited | Hospitality | 2015 |
| Golden AMB Limited | Hospitality | 2019 |
| Golden Brown Limited | Financial services | 2022 |
| Golden Flower Takeaway Ltd | Hospitality | 2025 |
| Golden Green Facilities Management Ltd | Construction | 2022 |
| Golden Hands Cleaning Service Ltd | Administrative & support | 2024 |
| Golden Path Properties Ltd | Hospitality | 2025 |
| Golden Swing Events Ltd | Arts & recreation | 2026 |
| Golden Thread Compliance Limited | Construction | 2026 |
| Golders Green Pharmacy Limited | Wholesale & retail | 2019 |
| Goldstone Media Limited | Information & communication | 2006 |
| Golf Academies Limited | Arts & recreation | 1998 |
| Gomes Group Ltd | Agriculture & fishing | 2025 |
| Goncalves Ltd | Information & communication | 2021 |
| Goodacre Holdings Ltd | Financial services | 2024 |
| Goodacre Property Ltd | Real estate | 2023 |
| Goodnews Evangelical Mission | Other services | 2015 |
| Goodnews for Life Ltd | Administrative & support | 2022 |
| Goodwill Property Investments Ltd | Real estate | 2019 |
| Goosewing Sussex Ltd | Transport & logistics | 2026 |
| Gordon Carter Independent Financial Adviser Limited | Other services | 2003 |
| Gordon Lodge (Eastbourne) Limited | Real estate | 2026 |
| Gordon Murray (Trumptonshire) Limited | Administrative & support | 1994 |
| Gordon-James Associates Limited | Real estate | 2009 |
| Gorkha Kali Limited | Hospitality | 2025 |
| Gorringe Developments Limited | Real estate | 2011 |
| Goscombe Group Limited | Financial services | 2019 |
| Goscombe Homes Limited | Real estate | 2014 |
| Goslings Construction Ltd | Construction | 2021 |
| Gould Foods Limited | Hospitality | 2013 |
| Gould Medical Ltd | Health & social care | 2022 |
| Gozna Limited | Administrative & support | 2025 |
| GPB (Mastics) Ltd | Construction | 2010 |
| GPF Productions Ltd | Administrative & support | 2021 |
| Gpforyou Ltd | Health & social care | 2025 |
| Gps-Direct.Com Limited | Real estate | 2006 |
| GQL Capital Limited | Financial services | 2020 |
| GR Stores Ltd | Wholesale & retail | 2014 |
| Grab & Go Vending Ltd | Wholesale & retail | 2026 |
| Grab Media Ltd | Information & communication | 2022 |
| Grab Services Southeast Ltd | Water & waste | 2021 |
| Grace Care 24/7 Ltd | Administrative & support | 2012 |
| Grace Care UK Private Limited | Administrative & support | 2017 |
| Grace Properties Private Limited | Real estate | 2023 |
| Gradient Consultants Limited | Professional & scientific | 2006 |
| Grafters Recruitment Consultants Ltd | Administrative & support | 1999 |