| Green Crew Community Interest Company | Wigan | 2013 |
| Green D Limited | Nottingham | 2011 |
| Green Dawn Strelley Community Interest Company | Nottingham | 2020 |
| Green Dome Driving Ltd | Edinburgh | 2023 |
| Green Dome T CIC | Halifax | 2023 |
| Green Driver Training Ltd | Wirral | 2021 |
| Green Driving School Ltd | London | 2018 |
| Green Earth Plan CIC | Hailsham | 2020 |
| Green Earthlings CIC | Stourport-On-Severn | 2023 |
| Green Education Services Ltd | Nottingham | 2023 |
| Green Elves Playgroup | Omagh | 2002 |
| Green Fella Adventures Ltd | Dawlish | 2025 |
| Green Finch Learning Ltd | London | 2019 |
| Green for Go Ltd | Burry Port | 2003 |
| Green Future Waste Management CIC | London | 2024 |
| Green Gables Montessori Nursery Ltd | Harrogate | 2021 |
| Green Gables Montessori School Limited | Burntwood | 2003 |
| Green Giant Limited | Harrow | 2016 |
| Green Ginger Training and Consultancy Limited | Hull | 2025 |
| Green Gladiators Ltd | Hull | 2010 |
| Green Grass Centre Community Interest Company | Manchester | 2011 |
| Green Grove Renewables Training Centre Ltd | Newcastle-Under-Lyme | 2024 |
| Green Harvest Capital Consulting Ltd | Exeter | 2010 |
| Green Heath School and College Ltd | Birmingham | 2011 |
| Green HLD Ltd | Cardiff | 2025 |
| Green Horizons Northwest CIC | Oldham | 2024 |
| Green Ideas- Outdoor Education, Training and Coaching CYF | Llandeilo | 2019 |
| Green Ilminster CIC | Ilminster | 2022 |
| Green Jumper Ltd | Harrogate | 2020 |
| Green Key (UK) Limited | Oxfordshire | 2013 |
| Green Lane Nursery and Child Care Centre | County Durham | 2001 |
| Green Lane Pre-School Limited | Morden | 2019 |
| Green Lantern Training Company Limited | Melksham | 1998 |
| Green Learners Ltd | Leighton Buzzard | 2024 |
| Green Life Driving Ltd | Fareham | 2018 |
| Green Light Dance Company CIC | Belfast | 2021 |
| Green Light Driving Limited | Weymouth | 2026 |
| Green Light Driving School Ltd | London | 2021 |
| Green Light Trust | Lawshall | 1990 |
| Green Lizard Enterprises Community Interest Company | Hull | 2022 |
| Green Lizard Wood Limited | Kingston Upon Hull | 2025 |
| Green MAN Learning Limited | Barnsley | 2025 |
| Green MAN Skills Zone | Bromley | 2013 |
| Green MAT Workshop Limited | Islington | 2023 |
| Green Meadow Independent Primary School Limited | Warrington | 2025 |
| Green Means Go Driving School Ltd | Bristol | 2023 |
| Green North Ltd | Morpeth | 2025 |
| Green Oak Academy | Birmingham | 2016 |
| Green Oak Home Education Limited | Eastbourne | 2025 |
| Green Orchid Enterprise Ltd | London | 2017 |
| Green OWL Art Therapy Ltd | Northampton | 2020 |
| Green Pass Training Limited | Preston | 2014 |
| Green Pastures Education CIC | Southport | 2026 |
| Green Paths Environmental Education CIC | Barnstaple | 2024 |
| Green Pearl Ventures Ltd | London | 2025 |
| Green Pill Training Limited | London | 2022 |
| Green Pips Trading Ltd | Bristol | 2024 |
| Green Planet Forest School Ltd | Buckingham | 2023 |
| Green Plate Training Ltd | Herne Bay | 2024 |
| Green River Medical Limited | Ringwood | 2012 |
| Green Rock EDU Tech Ltd | Thornton Heath | 2024 |
| Green Room Place Ltd | London | 2021 |
| Green Room Training Limited | Clitheroe | 2008 |
| Green Roots Limited | Harrow | 2012 |
| Green Routes Stirling | Stirling | 2008 |
| Green Scene Forest School: Environmental Education Service Limited | Nottingham | 2021 |
| Green Scene Swansea CIC | Swansea | 2022 |
| Green School of Motoring Ltd | Dagenham | 2023 |
| Green Schools Project C.I.C. | London | 2015 |
| Green Shield Academy Ltd | London | 2025 |
| Green Shoots (Bath) Limited | Bath | 2013 |
| Green Shoots Muddy Boots Ltd | Nuneaton | 2023 |
| Green Skills C.I.C. | London | 2023 |
| Green Skills Solutions Limited | Margate | 2021 |
| Green Sparks Southwest CIC | Dorchester | 2022 |
| Green Square Developments Limited | Warminster | 2015 |
| Green Square Medical Group Limited | Leek | 2022 |
| Green Squirrel CIC | Cardiff | 2015 |
| Green Star Consultants Ltd | Birmingham | 2020 |
| Green Stone Investments Limited | Rickmansworth | 2005 |
| Green Street Tuition Ltd | London | 2017 |
| Green Strides Fitness Ltd | Glasgow | 2024 |
| Green String Ltd | Watlington | 2024 |
| Green Tomato Group Ltd | North Shields | 2018 |
| Green Tree Adventures Ltd | Worcester | 2026 |
| Green Tree Collective Limited | London | 2020 |
| Green Trees Forest Schools CIC | Swindon | 2025 |
| Green Trought Capital Ltd | London | 2023 |
| Green Twigs Nursery, Montessori & Forest School Ltd | Hereford | 2015 |
| Green United C.I.C. | Lewes | 2020 |
| Green UP Academy & Training Ltd | London | 2023 |
| Green Valley Academy Ltd. | London | 2018 |
| Green Valley Relief Foundation Ltd | Pinner | 2012 |
| Green Valley Woodcraft CIC | Swansea | 2025 |
| Green Voices CIC | Cardiff | 2025 |
| Green Wave East Hampshire CIC | Liphook | 2024 |
| Green Wave Sports Community Interest Company | Farnham | 2022 |
| Green Ways Wellbeing CIC | Ringwood | 2026 |
| Green Wood Bushcraft Ltd | Shipston-On-Stour | 2025 |
| Green Zone Enterprises Ltd | Milton Keynes | 2021 |