| Gosway Limited | Information & communication | 2006 |
| Gough Corporations Limited | Education | 2024 |
| Gourmet Sandwiches Ltd | Financial services | 2012 |
| GP Scientific Ltd | Wholesale & retail | 2019 |
| GQ Independent Limited | Financial services | 2000 |
| Grace Electronics Limited | Wholesale & retail | 1978 |
| Grace House Care Home Limited | Health & social care | 2010 |
| Grace House Holdings Ltd | Financial services | 2018 |
| Gradar Solutions Limited | Extraterritorial | 2014 |
| Grant Spencer Holdings Limited | Financial services | 2022 |
| Granthill Limited | Manufacturing | 1979 |
| Grapevine App Limited | Information & communication | 2022 |
| Gravitas Property Holdings Ltd | Real estate | 2021 |
| Graylands Court (Guildford) Residents Association Limited | Households | 1969 |
| Graysteele Limited | Information & communication | 2020 |
| Grayston, Rayner & Co. Limited | Professional & scientific | 2024 |
| Grayswood Cricket Club Ltd | Arts & recreation | 2014 |
| Greased Lightning Ltd | Wholesale & retail | 1990 |
| Great APE Studio Ltd | Other services | 2018 |
| Great Austins Estate Management Ltd | Households | 2007 |
| Great Austins Freehold Limited | Households | 2010 |
| Great Circle Solutions Ltd | Professional & scientific | 2005 |
| Great Holt Management Company Limited | Water & waste | 1983 |
| Greathart Ltd | Financial services | 2026 |
| Green Brothers Games LLP | | 2017 |
| Green HAT Investments Limited | Financial services | 2021 |
| Green Life Designs UK Ltd | Construction | 2021 |
| Green Tech Solar Solutions Ltd | Construction | 2023 |
| Green UP Britain Community Interest Company | Agriculture & fishing | 2021 |
| Green Wave Sports Community Interest Company | Education | 2022 |
| Greenacres (Runfold) Limited | Real estate | 2009 |
| Greenbric Property Management Ltd | Real estate | 2023 |
| Greenhill Foot Care Ltd | Health & social care | 2025 |
| Greenhill Salads Limited | Real estate | 1966 |
| Greenhills Management Company Limited | Households | 1985 |
| Greenlane Commercials Limited | Wholesale & retail | 2021 |
| Greenman Plant Care Ltd | Wholesale & retail | 2016 |
| Greenmaze Limited | Construction | 2001 |
| Greenrushes Design Limited | Other services | 2018 |
| Greenshields JCB Holdings Limited | Administrative & support | 2017 |
| Greenshields JCB Limited | Manufacturing | 1996 |
| Greenwood Grove (Yateley) Management Company Limited | Households | 1990 |
| Greg Rice Ltd | Information & communication | 2012 |
| Greg Vince Limited | Information & communication | 2014 |
| Grevitt's Cleaning Limited | Administrative & support | 2011 |
| Grierson Dickens Limited | Financial services | 1999 |
| Grierson Dickens Trustee Limited | Extraterritorial | 2022 |
| Grieveson Holdings Ltd | Financial services | 2026 |
| Griffiths Design Consulting Limited | Professional & scientific | 2003 |
| GRL Trading Limited | Wholesale & retail | 2013 |
| GRL99 Limited | Real estate | 2013 |
| Groom Residential Property Company Limited | Real estate | 2019 |
| Ground Work Digital Ltd | Professional & scientific | 2026 |
| Grove Farm (Hollesley) Limited | Real estate | 2022 |
| Grover Building Services Limited | Construction | 2010 |
| Grover Furniture Limited | Extraterritorial | 2007 |
| Groves Legal Limited | Professional & scientific | 2015 |
| Grow Fertility Services Ltd | Health & social care | 2025 |
| Growa Ltd | Health & social care | 2020 |
| Growbros Ltd | Professional & scientific | 2020 |
| GTL Works Ltd | Construction | 2021 |
| GTM Power Holdings Limited | Financial services | 2021 |
| GTP Accounting and Business Services Limited | Professional & scientific | 2018 |
| GTP Holds Ltd | Financial services | 2025 |
| GTP Homes Ltd | Real estate | 2025 |
| GTP Tax Ltd | Professional & scientific | 2023 |
| GU9 Ltd | Construction | 2012 |
| Guardian Labs Ltd | Information & communication | 2021 |
| Guardian Realty Ltd | Real estate | 2014 |
| Guidex Ltd | Professional & scientific | 2019 |
| Guildford and Godalming Physiotherapy Ltd | Health & social care | 2025 |
| Guildford Children's Clinic Ltd | Health & social care | 2026 |
| Guildford Flooring Co Limited | Wholesale & retail | 2011 |
| Guildford Respiratory Ltd | Other services | 2018 |
| Gunnersbury Mews Management Company Limited | Households | 2016 |
| Gunnery Property Limited | Financial services | 2014 |
| Gunnery Terrace Limited | Real estate | 2021 |
| Gyroline Limited | Manufacturing | 2025 |
| H and E Associates Limited | Professional & scientific | 2009 |
| H Bareham Media Services Limited | Professional & scientific | 2017 |
| H F C H Limited | Hospitality | 2010 |
| H Owen Ltd | Professional & scientific | 2024 |
| H&F Prime Property Ltd | Real estate | 2021 |
| H.E. Estates Ltd | Real estate | 2025 |
| H.H. Hilder & Sons Limited | Construction | 1997 |
| H.H. Hilder (Developments) Limited | Construction | 2000 |
| H.S.A. Consulting Limited | Professional & scientific | 1997 |
| H2 Plus Limited | Administrative & support | 2002 |
| H2I Insurance Brokers Ltd | Financial services | 2010 |
| Habehen Holdings Ltd | Financial services | 2019 |
| Hadham Constellation Ltd | Real estate | 2023 |
| Hadi Foods Limited | Hospitality | 2026 |
| Haeschedio Ltd | Administrative & support | 2021 |
| Hailey Partners Ltd | Administrative & support | 2024 |
| Haines Mcgregor Limited | Arts & recreation | 1989 |
| Hair at the Hideaway Limited | Other services | 2024 |
| Hale Community Centre Ltd | Health & social care | 2009 |
| Hale Farm Management (Farnham) Limited | Real estate | 1996 |
| Hale House (Farnham) Management Company Limited | Households | 2008 |
| Hale Meadows Residents Association Limited | Real estate | 1977 |