| Grabby BAG Ltd | Wholesale & retail | 2016 |
| Grace & JO Care Enterprise | Health & social care | 2014 |
| Grace Corporation Ltd | Arts & recreation | 2014 |
| Grace of ST. Paul's Limited | Wholesale & retail | 2013 |
| Grace Recreational Day Services Ltd | Health & social care | 2016 |
| Grace Redemption Ministry | Other services | 2015 |
| Graceinglives Ltd | Hospitality | 2020 |
| Graceworth Ltd | Financial services | 2015 |
| Gracious Enterprise Ltd | Construction | 2022 |
| Graduate Transitions Ltd | Administrative & support | 2014 |
| Grady Building Company Ltd | Construction | 2022 |
| Graft Design & Build Limited | Construction | 2025 |
| Graft Lighting Limited | Administrative & support | 2025 |
| Graham Cohen & Co Limited | Professional & scientific | 1997 |
| Gramf-Pects Healthcare Services Ltd. | Wholesale & retail | 2019 |
| Granby Court Residents Management Company Limited | Households | 2005 |
| Grand Central Crewe Management Company Limited | Real estate | 2012 |
| Grand Collectives Limited | Hospitality | 2026 |
| Grand Dame Theatre Limited | Arts & recreation | 2017 |
| Grand Drive Limited | Real estate | 2025 |
| Grand Motion Ltd | Transport & logistics | 2019 |
| Grand@Baylis House Limited | Hospitality | 2018 |
| Grandeur Beaute Ltd | Other services | 2019 |
| Grandhire Security Ltd | Administrative & support | 2025 |
| Grandmaster Global Ltd | Wholesale & retail | 2025 |
| Grandpaa’S Kitchen Company Ltd | Hospitality | 2025 |
| Grandrew Ltd | Administrative & support | 2012 |
| Grandys Kitchen Ltd | Hospitality | 2023 |
| Grange Beddington Limited | Real estate | 2019 |
| Grange Farm (Hartford) Management Company Limited | Households | 2014 |
| Grange Residential Management RTM Company Limited | Households | 2016 |
| Grange Restaurants Limited | Hospitality | 2011 |
| Grange Road SE1 Ltd | Real estate | 2024 |
| Grange Wharf Ltd | Real estate | 2023 |
| Grangedale Management Company Limited | Real estate | 1981 |
| Grangewood Group Limited | Real estate | 2005 |
| Grant Close Services Limited | Households | 2015 |
| Grant Family Limited | Financial services | 2024 |
| Grant Road Freehold Company Limited | Households | 1998 |
| Grantham Court (HAM) Residents Association Limited | Households | 2001 |
| Granwood Court Residents Association Limited | Households | 1971 |
| Grapes Court Management Company Limited | Households | 2001 |
| Graphic Printing Services Ltd | Administrative & support | 2000 |
| Grasmere Close Management Company Limited | Households | 1986 |
| Grasmere Management Company Limited | Households | 2006 |
| Gravelwood Car Sales Limited | Wholesale & retail | 2010 |
| Gravelwood Holdings Ltd | Financial services | 2025 |
| Gravelye Lane Management Company Limited | Households | 2011 |
| Grayland Court Ltd | Households | 1997 |
| Grays Court (Orpington) Residents Management Company Limited | Households | 2016 |
| Grays Housing Developments Ltd | Construction | 2024 |
| Graywalker Karate Limited | Arts & recreation | 2019 |
| Graziella Ferigo Ltd | Education | 2017 |
| Grcj Limited | Information & communication | 2026 |
| Great Briton Chemicals Ltd | Manufacturing | 2021 |
| Great IS JAH Ltd | Wholesale & retail | 2026 |
| Great Minds Care Limited | Administrative & support | 2016 |
| Great Silk Road Limited | Hospitality | 2024 |
| Great Stitch Ltd | Other services | 2017 |
| Great Tax UK Ltd | Professional & scientific | 2022 |
| Great Value Limited | Wholesale & retail | 2024 |
| Great Western Court Management Company Limited | Households | 2005 |
| Greater London Elect & Light Limited | Construction | 2021 |
| Greater London Electrical Ltd | Construction | 2012 |
| Greater London Lighting Limited | Construction | 2013 |
| Greater London Private Hire Limited | Transport & logistics | 2018 |
| Greater London Properties Investments Limited | Real estate | 2020 |
| Greater London Services Ltd | Administrative & support | 2023 |
| Greater London Solicitors Limited | Professional & scientific | 2014 |
| Green Acre Support Services Ltd | Hospitality | 2010 |
| Green and White Investments Limited | Wholesale & retail | 2013 |
| Green Asparagus Limited | Construction | 2018 |
| Green Bistro Ltd | Hospitality | 2019 |
| Green Cleaning (Surrey) Limited | Administrative & support | 2011 |
| Green Eagle Limited | Wholesale & retail | 2008 |
| Green Efficiency Energy Services Ltd | Professional & scientific | 2017 |
| Green Forest Ventures Limited | Financial services | 2023 |
| Green Gardening Limited | Construction | 2024 |
| Green Hall Mews (Freehold) Limited | Households | 2022 |
| Green Hall Mews Limited | Households | 1981 |
| Green Hands Garden Services Ltd | Administrative & support | 2024 |
| Green Kite Property Services Holdings Ltd | Real estate | 2022 |
| Green Kite Property Services Ltd | Real estate | 2009 |
| Green Lanes (Finsbury Park) Management Company Limited | Households | 2014 |
| Green Leaves Counselling Ltd | Other services | 2024 |
| Green Machine South London Limited | Administrative & support | 2025 |
| Green OIL Delivery and Suppliers Ltd | Wholesale & retail | 2022 |
| Green ONI Limited | Agriculture & fishing | 2016 |
| Green Park Management Company Limited | Households | 1990 |
| Green Recruitment Solutions Limited | Administrative & support | 2013 |
| Green Source Consulting Limited | Professional & scientific | 2014 |
| Green Steed Ltd | Manufacturing | 2018 |
| Green Textile Ltd | Wholesale & retail | 2016 |
| Green UK Services Limited | Other services | 2023 |
| Greenacres (Beckenham) Properties Limited | Real estate | 2026 |
| Greenfields Park (EA) Management Company Limited | Households | 2007 |
| Greenfields UK Services Ltd | Administrative & support | 2022 |
| Greengauge Heating Limited | Construction | 2022 |
| Greengoo Limited | Construction | 2010 |
| Greenhill Court (Barnet) Management Limited | Households | 2013 |