| GCC Legal Services Limited | Professional & scientific | 2026 |
| Gemini Books Group Limited | Information & communication | 2022 |
| Gemini Books Services Limited | Information & communication | 2013 |
| Gemini Children's Books Limited | Information & communication | 1998 |
| Gemini Distribution Services Limited | Information & communication | 2023 |
| Gemini Gift Books Limited | Information & communication | 1998 |
| Gemma Soul Yoga Ltd. | Other services | 2018 |
| Generation Capital Limited | Information & communication | 2005 |
| Gentle Seated Yoga CIC | Education | 2024 |
| Georgia Faye Salons Limited | Other services | 2025 |
| Geosay Distribution Limited | Wholesale & retail | 2025 |
| Giles Anaesthetic Services Limited | Health & social care | 2022 |
| Giles Corporate Finance Limited | Professional & scientific | 2012 |
| Giles Financial Ltd | Financial services | 2023 |
| Giles Group Ltd | Financial services | 2019 |
| Giles Plumbing & Heating Limited | Construction | 2014 |
| Gilligan Electrical Ltd | Construction | 2022 |
| Girling SIX Limited | Real estate | 1999 |
| GKE (Anglia) Limited | Construction | 2017 |
| GL Property Management Limited | Real estate | 2018 |
| GLA Securities Limited | Financial services | 2019 |
| Gladwell & Plummer Properties Limited | Real estate | 2020 |
| Gladwell Asset Management Ltd | Administrative & support | 2023 |
| Gladwell Holdings Ltd | Professional & scientific | 2020 |
| Glamour Nails Ltd | Other services | 2015 |
| Glamour Nails TLN Ltd | Other services | 2025 |
| Glennrsmith Limited | Financial services | 2012 |
| Global Aerosafe Consulting Ltd | Professional & scientific | 2026 |
| Gmtt Ltd | Wholesale & retail | 2013 |
| Go Explore Limited | Education | 2010 |
| Go Explore Travel Limited | Administrative & support | 2025 |
| GO2PRODUCTS Limited | Administrative & support | 2016 |
| Gobbitt & Kirby Limited | Real estate | 2018 |
| GOK Deniz Limited | Real estate | 2020 |
| Gold Flanders Marketing Limited | Extraterritorial | 2025 |
| Gold Star (Melton) Ltd. | Real estate | 1965 |
| Gold Windscreens Ltd | Wholesale & retail | 2013 |
| Golden Cockerel Press Limited | Information & communication | 1979 |
| Golden Greens Organic Ltd | Wholesale & retail | 2009 |
| Golden Horde Studios Ltd | Information & communication | 2024 |
| Golden Panda House Oriental Limited | Hospitality | 2022 |
| Goldfinch Woodbridge Ltd | Wholesale & retail | 2015 |
| Goldsmiths (Ufford) Management Company Limited | Real estate | 2017 |
| Goldstar Graphics Ltd | Manufacturing | 2025 |
| Goldwyk Ltd | Real estate | 2026 |
| Goodhart Place Freehold Limited | Real estate | 2022 |
| Gosh Wash Limited | Professional & scientific | 2025 |
| Gospel Hall Close Owners Association Limited | Households | 2020 |
| Graceful Interiors Limited | Manufacturing | 2008 |
| Grange Farm Car Care Ltd | Wholesale & retail | 2014 |
| Grange Farm Hasketon Ltd | Agriculture & fishing | 2019 |
| Gransden UK Limited | Wholesale & retail | 2008 |
| Grass Solutions Limited | Other services | 2004 |
| Gravitass Ltd | Information & communication | 2006 |
| Grayline Engineering Limited | Professional & scientific | 2015 |
| Great Green Gooseberries Limited | Professional & scientific | 2013 |
| Great Sutton Property Limited | Professional & scientific | 2018 |
| Greek Property Consultants Limited | Real estate | 2016 |
| Green Boat Records CIC | Arts & recreation | 2024 |
| Green Label Foods Ltd. | Manufacturing | 1999 |
| Green Label Holdings Limited | Financial services | 2018 |
| Green Label Poultry Limited | Agriculture & fishing | 2014 |
| Green Lane & Co Limited | Agriculture & fishing | 2011 |
| Green Shift Interactive Ltd | Information & communication | 2025 |
| Green VR Ltd | Information & communication | 2021 |
| Greener Industrial Solutions Limited | Water & waste | 2009 |
| GREENTECH4 Limited | Professional & scientific | 2024 |
| Grey Cat Properties Ltd | Real estate | 2022 |
| Greypine Construction Co Limited | Real estate | 1967 |
| Grotto Farm Holdings Ltd | Administrative & support | 2022 |
| Groundhog (Suffolk) Limited | Construction | 2016 |
| Grow Consulting Limited | Other services | 2009 |
| Guardrail Limited | Education | 2026 |
| Gull Lettings Ltd | Real estate | 2024 |
| Gurkha Reno Ltd | Construction | 2025 |
| GUY CRY Club CIC | Arts & recreation | 2021 |
| Gym-Khana Stables Ltd | Agriculture & fishing | 2020 |
| Gynae RAD Solutions Ltd | Health & social care | 2019 |
| Gytha Coastal LLP | | 2007 |
| Gytha Limited | Real estate | 2012 |
| H C Farm Limited | Real estate | 2014 |
| H R Engineering (Suffolk) Limited | Professional & scientific | 2003 |
| H Waterer Limited | Agriculture & fishing | 2018 |
| H2GO Global Ltd | Construction | 2013 |
| Hach Property Ltd | Professional & scientific | 2022 |
| Hadley Marquees UK Limited | Other services | 2003 |
| Hairadore Ltd | Other services | 2025 |
| Half Moon Foods Ltd | Manufacturing | 2009 |
| Hall Farm Butchers Ltd | Wholesale & retail | 2024 |
| Halo OIL Limited | Water & waste | 2019 |
| Halstead Memorial Centre Ltd. | Other services | 2008 |
| Hamilton Gardens Management Limited | Households | 1996 |
| Hamiltons Holdings Limited | Real estate | 2022 |
| Handsome Hounds (Suffolk) Ltd | Other services | 2021 |
| Hangar 111 Limited | Wholesale & retail | 2002 |
| Hangar 111 Racing Limited | Arts & recreation | 2019 |
| Hannaford Associates Ltd | Financial services | 2001 |
| Hannah Ruffles Ltd | Professional & scientific | 2016 |
| Hannah Stock Gardens Ltd | Administrative & support | 2022 |
| Hansbury Group Ltd | Construction | 2016 |