| G.G.K. Enterprises Limited | Professional & scientific | 1999 |
| Gabriel Mace Limited | Real estate | 2005 |
| Gabriela Hilton Limited | Health & social care | 2012 |
| Gaffa’S Collectables Ltd | Construction | 2025 |
| GALATA1905 Limited | Wholesale & retail | 2025 |
| Galpin Limited | Financial services | 2023 |
| Gandalfthegrey Limited | Real estate | 2022 |
| Gardner Court Management Limited | Households | 2021 |
| Gardner Place Management Company Limited | Households | 2017 |
| GAS & Energy Solutions Limited | Construction | 2012 |
| GB Close Management Co Limited | Households | 2023 |
| GB Hvac Ltd | Energy | 2018 |
| GB Synergy Ltd | Wholesale & retail | 2025 |
| GEN AI Ltd | Information & communication | 2004 |
| Generation Elite Ltd | Arts & recreation | 2020 |
| Gentlemec Motor Services Ltd | Wholesale & retail | 2021 |
| GEO Tracks Live Ltd | Arts & recreation | 2020 |
| Geo.Stafford Limited | Administrative & support | 1959 |
| George James Finance Limited | Administrative & support | 2007 |
| George M Decorator Limited | Construction | 2022 |
| George Paul Photography Limited | Professional & scientific | 2017 |
| Germerase Limited | Manufacturing | 2020 |
| Gervis (Bournemouth) Limited | Hospitality | 2019 |
| Gervis Homes Limited | Real estate | 2015 |
| Gervis Leisure Limited | Hospitality | 2024 |
| Gervis Property Company Limited | Hospitality | 2013 |
| Gervis Solar Limited | Energy | 2015 |
| GF26 Limited | Wholesale & retail | 1985 |
| GH Coastal Cooling Limited | Manufacturing | 2004 |
| GH Coastal Holdings Ltd | Financial services | 2019 |
| GH Coastal Install Ltd | Manufacturing | 2015 |
| Ghost and GUN Limited | Information & communication | 2025 |
| Gibbons Real Estate Ltd | Real estate | 2025 |
| Gibson Grange Ltd | Real estate | 2016 |
| Gigaplan Ltd | Information & communication | 2023 |
| Gilbert Court Management Co Limited | Households | 1988 |
| GLADE123 Ltd | Households | 2024 |
| Glass Harbour Consulting Limited | Professional & scientific | 2022 |
| Glass Harbour Holdings Limited | Real estate | 2016 |
| Glawsby Consultancy Limited | Professional & scientific | 2014 |
| Glen Properties Limited | Real estate | 2013 |
| Glenmoor Gardens Management Limited | Households | 2008 |
| GLH Greenfinch 2 Limited | Financial services | 2025 |
| GLH SD 1 Limited | Manufacturing | 2025 |
| Global Compliance Services (GCS) Limited | Other services | 2025 |
| Global Medical Communications (UK) Limited | Other services | 2010 |
| Global Reach Hospitality Limited | Real estate | 2019 |
| Global Reach Hotels Limited | Real estate | 2019 |
| Global Reach UK Holdings Limited | Real estate | 2019 |
| Global Retail Reach Limited | Extraterritorial | 2019 |
| Global Thai Massage and Spa Ltd | Other services | 2025 |
| Global Travel Solutions Limited | Professional & scientific | 2016 |
| GLW Properties Limited | Real estate | 2024 |
| Glyn Management Limited | Real estate | 2004 |
| Glyn Residential Limited | Real estate | 1999 |
| GMH Logistics Limited | Transport & logistics | 2023 |
| GMJ Engineering Limited | Wholesale & retail | 2003 |
| Gnaeus Consulting Services Limited | Financial services | 2015 |
| Gobbledegook Theatre Limited | Administrative & support | 2021 |
| Godfirst Christchurch | Education | 2001 |
| Goju RYU Academy Limited | Information & communication | 2010 |
| Golddorset Ltd | Hospitality | 2020 |
| Golden Button Limited | Other services | 2026 |
| Golden CUT Ltd | Other services | 2024 |
| Gonzo QA Ltd | Information & communication | 2026 |
| Good AS New Bournemouth Limited | Wholesale & retail | 2025 |
| Gorman Dynamics Limited | Manufacturing | 2020 |
| Goso Consult Ltd | Wholesale & retail | 2018 |
| Goso Ltd | Hospitality | 2015 |
| Goso Property Ltd | Construction | 2022 |
| Graeme Consultancy Ltd | Professional & scientific | 2021 |
| Grafham Walbancke Limited | Administrative & support | 2010 |
| Grafton Square Holdings Limited | | 2026 |
| Grand Investments Corporate Limited | Hospitality | 2025 |
| Grange Court (Hoburne) Limited | Hospitality | 1958 |
| Graphics Bite Limited | Professional & scientific | 2013 |
| Gravy Ltd | Information & communication | 2013 |
| Graysons Garden Care Limited | Administrative & support | 2026 |
| Great Developments Limited | Professional & scientific | 2004 |
| Greenacres Care Christchurch Limited | Health & social care | 2022 |
| Greendatahub Ltd | Professional & scientific | 2025 |
| Greenlamp Restaurant Group Ltd | Hospitality | 2024 |
| Gripzaa Ltd | Wholesale & retail | 2026 |
| Grosvenor Assets Ltd | Real estate | 2016 |
| Grosvenor Wholesale Ltd | Wholesale & retail | 2024 |
| Groveley Precision Engineering Limited | Manufacturing | 2003 |
| GS Christchurch Ltd | Extraterritorial | 2012 |
| GSM Logistics Limited | Financial services | 2001 |
| GTC Health Clubs Ltd | Arts & recreation | 2025 |
| Gtech Power Solutions Limited | Construction | 2010 |
| Gtechit Ltd | Wholesale & retail | 2014 |
| Guilder Lane Press Ltd | Information & communication | 2025 |
| Gullintanni Limited | Information & communication | 2025 |
| H & J Milner Limited | Real estate | 2017 |
| H B Holdings Ltd | Construction | 2015 |
| H W Associates (Northampton) Ltd | Hospitality | 2017 |
| H.Brewster Leasing Limited | Real estate | 2010 |
| Hadid Aviation Services Limited | Transport & logistics | 2016 |
| Hagens Trading Co. Ltd | Manufacturing | 2018 |
| Hair on the Cliffe Ltd | Other services | 2020 |