| Great EGS Ltd | Wholesale & retail | 2023 |
| Great Gilbert Farm Ltd | Real estate | 2017 |
| Great Hope Care Ltd | Health & social care | 2024 |
| Great Route Transport Ltd | Transport & logistics | 2024 |
| Green Acre Property Lettings Limited | Real estate | 2025 |
| Green Apple Ltd | Hospitality | 2023 |
| Green East Group Ltd | Construction | 2026 |
| Green Health Solutions Limited | Water & waste | 2020 |
| Green Inc Solutions Ltd | Professional & scientific | 2010 |
| Green Nature Choice (Modern Nature) Ltd. | Wholesale & retail | 2022 |
| Green Nest Homes Ltd | Real estate | 2025 |
| Green Rhino Global Limited | Manufacturing | 2019 |
| Green Rhino Limited | Manufacturing | 2020 |
| Green Snack Shop Ltd | Wholesale & retail | 2025 |
| Green Spark Productions Limited | Information & communication | 1995 |
| Green Street Homes Limited | Real estate | 2019 |
| Green Technology Solutions (Suffolk) Ltd | Construction | 2023 |
| Green View Health Limited | Health & social care | 2022 |
| Green White Health and Care Services Ltd. | Health & social care | 2023 |
| Greenace Contract Cleaners Ltd | Administrative & support | 2008 |
| Greenbloc Limited | Extraterritorial | 2000 |
| Greencarrier Consolidators UK Ltd | Transport & logistics | 2023 |
| Greenchain Limited | Wholesale & retail | 2023 |
| Greener Ipswich CIC | Arts & recreation | 2024 |
| Greener Waste Solutions Ltd | Water & waste | 2022 |
| Greenford 7 Limited | Construction | 2023 |
| Greenford 7 Management Company Limited | Households | 2025 |
| Greengrass Landscape Contractors Ltd | Administrative & support | 2010 |
| Greengrass Revive Ltd | Administrative & support | 2025 |
| Greenleaf & Bowker Limited | Information & communication | 2025 |
| Greenlight Publishing Limited | Professional & scientific | 1991 |
| Greenoak Carpentry (Ipswich) Limited | Extraterritorial | 2002 |
| Greenplover Limited | Financial services | 2023 |
| Greenpot Maintenance Services Ltd | Manufacturing | 2022 |
| Greenroot Supply Ltd | Wholesale & retail | 2026 |
| Greens H2O Hire Ltd | Transport & logistics | 2018 |
| Greenscape Academy Ltd | Wholesale & retail | 2022 |
| Greenscape Energy Consultants Ltd | Construction | 2024 |
| Greenscape Energy Limited | Construction | 2012 |
| Greenscape Heating Ltd | Construction | 2023 |
| Greenside Finance Limited | Professional & scientific | 2026 |
| GREENSILVER47 Ltd | Professional & scientific | 2023 |
| Greenstar Renewables Group Ltd | Professional & scientific | 2018 |
| Greenstone Group Construction Ltd | Construction | 2019 |
| Greenstone Group Ltd | Financial services | 2016 |
| Greenstone Group Property Ltd | Real estate | 2020 |
| Greenstorm Haulage Ltd | Transport & logistics | 2025 |
| Greenstraight Limited | Hospitality | 2018 |
| Greensview Health Care Solutions. Ltd | Health & social care | 2026 |
| Greenville Coaching Ltd | Information & communication | 2022 |
| Greenwave Training and Consultancy Services Limited | Administrative & support | 2005 |
| Greenwich Park Management Company Limited | Real estate | 1988 |
| Greg Grocery Ltd | Wholesale & retail | 2025 |
| Greg Whyte Performance Limited | Information & communication | 2010 |
| Gregor Soft Ltd | Information & communication | 2025 |
| Grenborough Limited | Professional & scientific | 2017 |
| Greshams Catering Ltd | Hospitality | 2011 |
| Greshams Ipswich Ltd | Hospitality | 2017 |
| Greshams Sports & Social Club Limited | Arts & recreation | 2001 |
| Grexora Limited | Information & communication | 2024 |
| Grey Shield Fire & Security Ltd | Administrative & support | 2023 |
| Grey Vista Limited | Information & communication | 2024 |
| Greys Matter Solutions Ltd | Health & social care | 2026 |
| Greystoke & Everleigh Limited | Construction | 1997 |
| Grid 2.0 Ltd | Manufacturing | 2009 |
| Grid Labs Consultants Limited | Professional & scientific | 2025 |
| Grieve Then Achieve Ltd | Health & social care | 2021 |
| Griffinmark Limited | Wholesale & retail | 2026 |
| Griggs Engineering Ltd | Professional & scientific | 2019 |
| Grimsby Collection Limited | Manufacturing | 2024 |
| Grimwood and Sons (Ipswich) Ltd | Other services | 2019 |
| Gripfixings Ltd | Wholesale & retail | 2012 |
| Griselda Work Ltd | Transport & logistics | 2025 |
| Grizzly ANT HP Services Ltd | Professional & scientific | 2014 |
| Grose Holdings Limited | Professional & scientific | 2008 |
| Grose Properties Limited | Extraterritorial | 2008 |
| Grouchy Frog Ltd | Information & communication | 2025 |
| Ground Travel -Ipswich Ltd | Transport & logistics | 2024 |
| Ground Truth Coffee Ltd | Financial services | 2023 |
| Groundsco Ltd | Construction | 2018 |
| Group Getaways Limited | Hospitality | 2024 |
| Group Retreats Caer Beris Limited | Hospitality | 2023 |
| Group Retreats Corporate East Ltd | Hospitality | 2020 |
| Group Retreats Corporate West Ltd | Hospitality | 2020 |
| Group Retreats Limited | Hospitality | 2017 |
| Group Two Associates Ltd | Professional & scientific | 2005 |
| Groupe Horizon Limited | Professional & scientific | 2020 |
| Groupix Ltd | Information & communication | 2026 |
| Grouse Close (Sprowston) Block Management Company Limited | Households | 2022 |
| Grove Accounts (Rentals) Limited | Professional & scientific | 2011 |
| Grove Farm Biomass Ltd | Agriculture & fishing | 2018 |
| Grove Lane (Ipswich) Management Company Limited | Households | 1993 |
| Grove Timber Frame Limited | Construction | 2017 |
| Grover & SON Limited | Construction | 2009 |
| Groversax Development Limited | Administrative & support | 2016 |
| Grovewood (Kesgrave) Residents Association Limited | Real estate | 2001 |
| Grow Cook EAT CIC | Education | 2022 |
| Growing Promotions Limited | Administrative & support | 2014 |
| Growth Point Generation Limited | Information & communication | 2026 |
| Growthworks Advisory Ltd | Professional & scientific | 2025 |