| Grainger Capital Limited | Professional & scientific | 2024 |
| Grainger Development Management Limited | Administrative & support | 1996 |
| Grainger Developments Limited | Construction | 2007 |
| Grainger Employees Limited | Construction | 2004 |
| Grainger Enfranchisement NO. 1 (2012) Limited | Construction | 2012 |
| Grainger Enfranchisement NO. 2 (2012) Limited | Construction | 2012 |
| Grainger Europe (NO. 3) Limited | Administrative & support | 2005 |
| Grainger Europe (NO. 4) Limited | Administrative & support | 2007 |
| Grainger Europe Limited | Professional & scientific | 2004 |
| Grainger Finance (Tricomm) Limited | Financial services | 2013 |
| Grainger Finance Company Limited | Financial services | 1999 |
| Grainger Homes (Gateshead) Limited | Construction | 2005 |
| Grainger Homes Limited | Construction | 2000 |
| Grainger Housing & Developments Limited | Construction | 1986 |
| Grainger Hub Limited | Financial services | 2021 |
| Grainger Invest (NO.1 Holdco) Limited | Professional & scientific | 2011 |
| Grainger Invest NO . 1 LLP | | 2005 |
| Grainger Invest NO.2 LLP | | 2006 |
| Grainger Kensington & Chelsea Limited | Construction | 2012 |
| Grainger Law Investments Ltd | Real estate | 1998 |
| Grainger Maidenhead Limited | Real estate | 1999 |
| Grainger NE Investments Limited | Real estate | 2025 |
| Grainger Newbury Limited | Professional & scientific | 2000 |
| Grainger News Ltd | Wholesale & retail | 2019 |
| Grainger Occc Limited | Construction | 2011 |
| Grainger Park Dent Ltd | Health & social care | 2021 |
| Grainger Pearl (Salford) Limited | Construction | 2017 |
| Grainger Pearl Holdings Limited | Construction | 2012 |
| Grainger Pearl Limited | Construction | 2012 |
| Grainger Phones Limited | Wholesale & retail | 2021 |
| Grainger PLC | Professional & scientific | 1912 |
| Grainger Properties Limited | Real estate | 2000 |
| Grainger PRS Limited | Professional & scientific | 2006 |
| Grainger Ramp Limited | Real estate | 2011 |
| Grainger Real Estate Limited | Professional & scientific | 2001 |
| Grainger Reit 1 Limited | Administrative & support | 2015 |
| Grainger Reit 2 Limited | Administrative & support | 2015 |
| Grainger Reit 3 Limited | Administrative & support | 2015 |
| Grainger Residential Limited | Real estate | 2004 |
| Grainger Residential Management Limited | Construction | 2003 |
| Grainger Seven Sisters Limited | Construction | 2007 |
| Grainger Southwark Limited | Construction | 2011 |
| Grainger Tribe Limited | Construction | 2017 |
| Grainger Trust Limited | Real estate | 2003 |
| Grainger Unitholder NO 1 Limited | Administrative & support | 2005 |
| Grand Blue Trade Ltd | Wholesale & retail | 2026 |
| Grand Boutique Limited | Wholesale & retail | 2025 |
| Grand Hotel Ltd | Other services | 1997 |
| Grand Logren Buildings Ltd | Construction | 2025 |
| Grand Park Commercial Ltd | Real estate | 2021 |
| Grand Park Group Limited | Financial services | 2024 |
| Grand Park Industrial Limited | Real estate | 2025 |
| Grand Park Investments Limited | Financial services | 2021 |
| Grand Park Residential 1 Ltd | Real estate | 2021 |
| Grand Park Residential Ltd | Real estate | 2021 |
| Grand Ties Holdings Ltd | Real estate | 2025 |
| Grand Tour Audax Events Ltd | Arts & recreation | 2026 |
| Grandapass Limited | Real estate | 1978 |
| Grande Tyres Limited | Wholesale & retail | 1999 |
| Grandstand Finance Ltd | Professional & scientific | 2025 |
| Grandville Estates Limited | Hospitality | 2016 |
| Grange Lane (Whickham) Limited | Real estate | 2003 |
| Grange LEA Ltd | Health & social care | 2018 |
| Grange Park Property Solutions Ltd | Hospitality | 2023 |
| Granger Properties Limited | Real estate | 2019 |
| Grangewood Park Management Ltd | Households | 2020 |
| Granulr Limited | Information & communication | 2015 |
| Granville 2009 Ltd | Real estate | 2019 |
| Granville Collective Limited | Information & communication | 2022 |
| Granville Gardens Management Company Limited | Households | 2020 |
| Granville Road Residents Limited | Real estate | 2006 |
| Graphite Living Limited | Real estate | 2025 |
| Graspan Frankton Limited | Administrative & support | 2011 |
| Grassroots Referee Hub Ltd | Information & communication | 2025 |
| Grate Newcastle Ltd | Wholesale & retail | 2020 |
| Graylynn Limited | Financial services | 2025 |
| Graysons Development Solutions Ltd | Construction | 2018 |
| Graysons Properties Limited | Real estate | 2014 |
| Graysons Property Letting Ltd | Real estate | 2018 |
| Graystone Communications Limited | Wholesale & retail | 2015 |
| Graze and Gorge Ltd | Hospitality | 2018 |
| Grazia Homes Ltd | Real estate | 2025 |
| GRC Traders Limited | Wholesale & retail | 2024 |
| Great Balls Ltd | Hospitality | 2025 |
| Great Bavington Contracting Limited | Extraterritorial | 2018 |
| Great Dominion Ltd | Health & social care | 2020 |
| Great Lime Property Limited | Real estate | 2026 |
| Great Lime Road Takeaway Ltd | Hospitality | 2021 |
| Great North Decorators Limited | Construction | 2012 |
| Great North Development and Property Maintenance Ltd | Construction | 2026 |
| Great North Electricals Limited | Construction | 2008 |
| Great North Escapes Ltd | Hospitality | 2024 |
| Great North Fire Solutions Ltd | Manufacturing | 2019 |
| Great North Home Care Limited | Health & social care | 2017 |
| Great North Kebab Ltd | Hospitality | 2026 |
| Great North Lettings and Sales Ltd | Real estate | 2011 |
| Great North Maintenance Limited | Construction | 2026 |
| Great North Properties Limited | Real estate | 1996 |
| Great North Research and Innovation Ltd | Professional & scientific | 2016 |
| Great North Smiles Ltd | Health & social care | 2025 |