| Grace Ministries Limited | Other services | 2014 |
| Graceful Horizons Ltd | Health & social care | 2026 |
| Graceland Healthcare Services Limited | Health & social care | 2025 |
| Graceroute Solutions Limited | Professional & scientific | 2016 |
| Gracey Healthcare Services Limited | Health & social care | 2024 |
| Graciaras Company Ltd | Health & social care | 2024 |
| GRADAVID26 Investment Limited | Administrative & support | 2014 |
| Gradeward Limited | Professional & scientific | 2021 |
| Gradewell Plant & Haulage Ltd | Construction | 2005 |
| Graeagle Hokan Ltd | Wholesale & retail | 2025 |
| Graft Mode Enterprises Limited | Information & communication | 2026 |
| Graft Mode Ltd | Wholesale & retail | 2026 |
| Graft Mode Productions Ltd | Information & communication | 2025 |
| Grafton (Northampton) Limited | Manufacturing | 1983 |
| Grafton Drive Management Company Limited | Real estate | 2021 |
| Grafton Transport Ltd | Administrative & support | 2022 |
| Graftons Cleaning Limited | Administrative & support | 2012 |
| Graham Beales Ltd | Professional & scientific | 2026 |
| Graham D. RAE Associates Limited | Information & communication | 1998 |
| Graham Peacock Services Limited | Other services | 2010 |
| Gran Care Limited | Health & social care | 2022 |
| Gran VIA Online Ltd | Professional & scientific | 2010 |
| Granby Ventures Ltd | Wholesale & retail | 2016 |
| Grand Acquisition Ltd | Other services | 2024 |
| Grand Atlantic Limited | Transport & logistics | 2026 |
| Grand Ellisey Construction Ltd | Construction | 2022 |
| Grand Union Primary Care Network Limited | Health & social care | 2025 |
| Grand Union Way Management Company Ltd | Households | 2022 |
| Grand Willows Limited | Health & social care | 2014 |
| Grandeur Realty Ltd | Real estate | 2023 |
| Grandex Investment Group Ltd | Financial services | 2025 |
| Grandica Limited | Administrative & support | 2023 |
| Grandkonsul Limited | Real estate | 2012 |
| Grandspire Holdings Ltd | Real estate | 2025 |
| Grange Farm (Long Buckby) Management Limited | Households | 2008 |
| Grange Farm (Spratton) Limited | Agriculture & fishing | 1997 |
| Grange Farm Barns Management Company Limited | Real estate | 2005 |
| Grange Groundworks Ltd | Agriculture & fishing | 2016 |
| Grange Mortgage and Protection Services Limited | Financial services | 2005 |
| Grange North East Electrical Limited | Manufacturing | 2009 |
| Grange Park Accounting Limited | Professional & scientific | 2019 |
| Grange Park Drycleaners Limited | Other services | 2014 |
| Grange Portfolio Holdings Limited | Financial services | 2016 |
| Grange WOK Ltd | Other services | 2025 |
| Grangefield Care Limited | Health & social care | 2009 |
| Grangeville Construction Ltd | Construction | 2024 |
| Grangewood Management Limited | Real estate | 1984 |
| Granite & Marble Imports Limited | Transport & logistics | 2005 |
| Granite IT Recruitment Limited | Administrative & support | 2009 |
| Graphics Works Ltd | Manufacturing | 2005 |
| Graphite Property Management Limited | Real estate | 2019 |
| Graphium Technologies Ltd | Information & communication | 2021 |
| Graphside Limited | Households | 1981 |
| Grass Root Boots Ltd | Wholesale & retail | 2024 |
| Grassroots Construction Limited | Construction | 2009 |
| Grassroots Counselling Ltd | Education | 2022 |
| Grassroots Goalkeeping Ltd | Extraterritorial | 2022 |
| Grassroots Wellbeing CIC | Education | 2026 |
| Gratitude Games (Manchester) Limited | Arts & recreation | 2025 |
| Graur Technologies Ltd | Manufacturing | 2026 |
| Gravitas Business Solutions Limited | Professional & scientific | 2022 |
| Gravitas HR Solutions Limited | Professional & scientific | 2006 |
| Gray's Gardening & Maintenance Services Limited | Administrative & support | 2024 |
| Grays of Holbeach Limited | Wholesale & retail | 2003 |
| GRC Advisory Limited | Professional & scientific | 2009 |
| GRC Stone Limited | Extraterritorial | 2009 |
| GRE8 Build Ltd | Construction | 2021 |
| Greasy Spoon Cafe Limited | Hospitality | 2009 |
| Great Coucasus Ltd | Wholesale & retail | 2018 |
| Great Denham Park (H10) Phase 1 Management Company Limited | Households | 2014 |
| Great Denham Park (Phase 11) Management Company Limited | Households | 2017 |
| Great Denham Park Phase 4 Residents Management Company Limited | Households | 2024 |
| Great Dunmow Residents Management Company Limited | Real estate | 2026 |
| Great Peru Ltd | Transport & logistics | 2016 |
| Great Places Ltd | Extraterritorial | 2005 |
| Great Pride Developments Limited | Construction | 2002 |
| Great Property Services Limited | Professional & scientific | 2015 |
| Great West Road Healthcare Limited | Professional & scientific | 2014 |
| Greater Manchester Dental Alliance (NE) Ltd | Health & social care | 2019 |
| Greater Manchester Dental Alliance Ltd | Health & social care | 2019 |
| Greaterskies Ltd | Manufacturing | 2015 |
| Greek Bistro Northampton Ltd | Hospitality | 2024 |
| Green & Gold Garden Co. Limited | Administrative & support | 2018 |
| Green Body UK Limited | Wholesale & retail | 2020 |
| Green Cars Northants Ltd | Transport & logistics | 2022 |
| Green Clean Northampton Ltd | Administrative & support | 2018 |
| Green Electrical Installations Ltd | Construction | 2014 |
| Green Horizon Associates Ltd | Professional & scientific | 2024 |
| Green Interiors Solutions Ltd | Construction | 2019 |
| Green Leaf Gardening Services Limited | Administrative & support | 2020 |
| Green Oasis Multimedia Ltd | Professional & scientific | 2025 |
| Green OWL Art Therapy Ltd | Education | 2020 |
| Green Park Groundcare Limited | Administrative & support | 2016 |
| Green Park Logistics Limited | Transport & logistics | 2025 |
| Green Revolution (Nationwide) Ltd | Construction | 2021 |
| Green System Solutions Ltd | Construction | 2023 |
| Green V Energy Limited | Manufacturing | 2018 |
| Green Valey Catering Ltd | Hospitality | 2022 |
| Greenblue Ltd | Real estate | 2014 |
| Greenclay Limited | Real estate | 2021 |