| Greenland Estates Limited | London | 2000 |
| Greenland Trust Limited | Henley On Thames | 1997 |
| Greenlands Company Planning Limited | Bedford | 1958 |
| Greenlands Finance Limited | Aberystwyth | 2005 |
| Greenlands Yorkshire Limited | Halifax | 2016 |
| Greenleaf Dynamics Ltd | Doncaster | 2026 |
| Greenleaf Financial Solutions Ltd | Pontefract | 2025 |
| Greenleaf Integrated Ltd | Norwich | 2024 |
| Greenleaf Kitchens Bedrooms & Bathrooms Ltd | Newmarket | 2016 |
| Greenleaf Road 1969 Limited | London | 2014 |
| Greenlees Properties Limited | Glasgow | 2015 |
| Greenley Quarry Limited | Sheffield | 2002 |
| Greenli Ltd | London | 2023 |
| Greenlight Legal Limited | Chester | 2014 |
| Greenlite Controls Limited | Ware | 1975 |
| Greenlite Group Limited | Blackpool | 2016 |
| Greenman Bushcraft Limited | Chelmsford | 2007 |
| Greenmeadow Management Limited | Maidstone | 2007 |
| Greenmount Fans Ltd | Bolton | 1997 |
| Greennexis Ltd | Cottingham | 2024 |
| Greeno Limited | Shropshire | 2005 |
| Greenoak Carpentry (Ipswich) Limited | Ipswich | 2002 |
| Greenoak Structures Limited | Liss | 2003 |
| Greenoaksgroup Ltd | Forsbrook | 2020 |
| Greenock Hydroponics Ltd | Glasgow | 2019 |
| Greenpark Management Company (Rostrevor) Limited | Belfast | 2002 |
| Greenpassports Ltd | Corbridge | 2010 |
| Greenpulse Nutra Ltd | London | 2024 |
| Greenpulse Technologies Ltd | Edinburgh | 2024 |
| Greenrich Childcare Provider Ltd | London | 2020 |
| Greenridge Consulting Ltd | Doncaster | 2026 |
| Greenroche Limited | Salford | 1998 |
| Greens ARC Limited | Horsham | 2010 |
| Greens Business Services Ltd | Stevenage | 2019 |
| Greens Chemists | Belfast | 1970 |
| Greens Foodfare Limited | Coleraine | 1988 |
| Greens of Leicester Limited | Leicester | 1947 |
| Greensearch Global Limited | Brighton | 2013 |
| Greensfield Moor Development Limited | Newcastle Upon Tyne | 2010 |
| Greenside Co., Ltd | Beckenham | 2014 |
| Greenside Plant Limited | Surrey | 1989 |
| Greensmart Property Solutions Ltd | Worcester | 2019 |
| Greensoulspirit Ltd | Haverfordwest | 2025 |
| Greenspace Garden Services Ltd | Redditch | 2023 |
| Greensphere Holdings 2012 Limited | Llansantffraid | 2012 |
| Greenstick Energy Ltd | East Yorkshire | 2006 |
| Greenstones (Whittlesey) Limited | Peterborough | 2015 |
| Greenstones Corporate Services Limited | Peterborough | 2012 |
| Greensurv Ltd | Bristol | 2024 |
| Greenteam Earth Limited | Stourbridge | 2018 |
| Greentech EOT Limited | Stirling | 2021 |
| Greentrade Energy Solutions Limited | Chesham | 2025 |
| Greentram Software Ltd | London | 2021 |
| Greentree Business Management Ltd | Dereham | 2014 |
| Greentree Estate Limited | Mill Hill | 2002 |
| Greentree Roads Limited | London | 2007 |
| Greenuna Accountants Ltd | Manchester | 2023 |
| Greenvale Mews Management Company Ltd | Ballyclare | 2007 |
| Greenvale Park Management Limited | Belfast | 2003 |
| Greenvalue Limited | | 1997 |
| Greenvilla Properties Ltd | Arborfield Green | 2021 |
| Greenwarden Estates Ltd | Doncaster | 2026 |
| Greenway Gate Management Limited | Ballynahinch | 2019 |
| Greenways Drive Ownership Limited | Newport | 2014 |
| Greenwell Energy Systems Ltd | Doncaster | 2026 |
| Greenwell Grange Ltd | Newcastle Upon Tyne | 2019 |
| Greenwell Ventures Ltd | London | 2000 |
| Greenwich College of Education Ltd | Buckingham | 2019 |
| Greenwich Investment Limited | London | 1999 |
| Greenwich Village Gallery Limited | Bexleyheath | 2018 |
| Greenwood & Greenwood Limited | | 2005 |
| Greenwood and Batley Locomotives Limited | Tamworth | 2004 |
| Greenwood Bromley Limited | Bury St Edmunds | 2013 |
| Greenwood Energy Latam Assets Limited | London | 2014 |
| Greenwood Energy Latam Development Limited | London | 2014 |
| Greenwood Energy Latam Limited | London | 2014 |
| Greenwood Management Company Limited | Limavady | 2006 |
| Greenwoods Central Bedfordshire Limited | Luton | 2020 |
| Greenworks Somaliland Limited | Marlborough | 2019 |
| Greenyard Flowers UK Limited | Penzance | 2020 |
| Greenz and Purple Ltd | London | 2022 |
| Greer Property Solutions Limited | Chichester | 2025 |
| Greg Mcclarnon Ltd | St. Albans | 2023 |
| Gregfit Limited | Preston | 2013 |
| Gregg Latchams Holding Company Limited | Birmingham | 2008 |
| Gregg Latchams Limited | Birmingham | 2009 |
| Gregg Latchams WRH Executor & Trustee Company | Bristol | 1992 |
| Greggs 1978 Pension Scheme Trustee Limited | Newcastle Upon Tyne | 2011 |
| Gregor Colquhoun Limited | Montrose | 2012 |
| Gregor Construction Limited | Dundee | 1983 |
| Gregor Developments Limited | Dundee | 1987 |
| Gregor Team Invest Limited | London | 2019 |
| Gregor Team Limited | London | 2019 |
| Gregory MAY Limited | Solihull | 2024 |
| Gregory Watson & Co. Limited | London | 1993 |
| Grekkos Ltd | Stourbridge | 2020 |
| Grena (UK) Limited | Nottingham | 2005 |
| Grenadier Limited | Harrogate | 2003 |
| Grenadier Supplies Limited | Harrogate | 2005 |
| Grenage Limited | Chelmsford | 1997 |