| Forest Farm View Ltd | Wretham | 2021 |
| Forest Farms Limited | Bromsgrove | 1985 |
| Forest Firewood Ltd | Lyndhurst | 2023 |
| Forest Fresh Mushrooms Ltd | Kington | 2023 |
| Forest Fuels Limited | Chippenham | 2019 |
| Forest Fungi (Devon) Ltd | Dawlish Warren | 2017 |
| Forest Fungi Ltd | Taunton | 2013 |
| Forest Green Farming Ltd. | Guildford | 2024 |
| Forest Guardian Ltd | Luton | 2025 |
| Forest Gump Ltd | Northampton | 2022 |
| Forest Hill Farms Limited | Marlborough | 2012 |
| Forest Hospice Limited | Putney | 2024 |
| Forest Industries Intelligence Limited | Settle | 2003 |
| Forest Industry Safety Accord (Fisa) Limited | Edinburgh | 2013 |
| Forest JKM Ltd Limited | Alloa | 2020 |
| Forest Lakes Ltd | Ashford | 2023 |
| Forest Larder Limited | Bristol | 2018 |
| Forest Logging Ltd | Lockerbie | 2023 |
| Forest Management Services Ltd | Ballymena | 2026 |
| Forest Nexus Limited | Elgin | 2025 |
| Forest North Farms Limited | Wimborne | 1998 |
| Forest of Avon Trust | Bristol | 2007 |
| Forest of Bere Limited | Salisbury | 2023 |
| Forest of Cardiff | Cardiff | 1991 |
| Forest of Dean Limited | Longhope | 2020 |
| Forest of Dreams Limited | Newton Abbot | 2002 |
| Forest of Mercia CIC | Essington | 2015 |
| Forest Pest Control Ltd | Lymington | 2026 |
| Forest Poultry Limited | York | 2013 |
| Forest Produce (UK) Limited | Harrow | 2007 |
| Forest Resource Consultancy Limited | Bristol | 2012 |
| Forest Road Garden Centre Ltd | Ilford | 2021 |
| Forest Rose Tree Surgery Ltd | Chatham | 2020 |
| Forest ROW Community Fridge CIC | Forest Row | 2020 |
| Forest Seed Orchard Limited | Whitchurch | 2008 |
| Forest Side Lakes Ltd | Blandford Forum | 2020 |
| Forest Stump Ltd | Basingstoke | 2019 |
| Forest Tail Ltd | York | 2022 |
| Forest Ventures Africa Ltd | London | 2024 |
| Forest View Farms Ltd | Dungannon | 2017 |
| Forest View Limited | Swanley Village | 1986 |
| Forest View Services Ltd | Bury St. Edmunds | 2025 |
| Forest Wild Trees Ltd | Chippenham | 2023 |
| Forestart Limited | Shrewsbury | 1998 |
| Forestbrook Enterprises Ltd | Newry | 2026 |
| Forestco Limited | South Shields | 2018 |
| Forestdogs Ltd | Sheffield | 2019 |
| Forestec Ltd | Wigan | 2013 |
| Forestedge Estimating Limited | Nottingham | 2025 |
| Forester and Arborist Services Limited | Telford | 2009 |
| Forester Biuro Lesne Ltd | Bournemouth | 2021 |
| Forester Tree Care Ltd | Egham | 2022 |
| Foresters Family Estate Ltd | Bishop'S Stortford | 2016 |
| Foresters Tree Service Limited | Wickford | 2017 |
| Forestfact Ltd | Gerrards Cross | 2023 |
| Forestry & Citrus Research Ltd | Birmingham | 2025 |
| Forestry & Timber Limited | Callington | 2004 |
| Forestry Agronomics Scotland Ltd | Hamilton | 2020 |
| Forestry and Countryside Management Limited | Richmond | 2003 |
| Forestry and Farm Services Limited | Clacton-On-Sea | 2026 |
| Forestry and Land Limited | Tewkesbury | 2022 |
| Forestry Conservation Consultancy Ltd | Bristol | 2025 |
| Forestry Contracting Services Ltd | Etchingham | 2025 |
| Forestry Farms Limited | Carlisle | 2021 |
| Forestry First Limited | Maidstone | 2012 |
| Forestry Fuels Limited | Bedford | 2011 |
| Forestry Ground Prep Ltd | Brecon | 2013 |
| Forestry Holding Limited | London | 2026 |
| Forestry Improvement Services Limited | Newry | 2014 |
| Forestry Investment Consultancy Limited | Acton | 1998 |
| Forestry Land Consultant Ltd | Narberth | 2010 |
| Forestry Landscapes Ltd | Liphook | 2020 |
| Forestry Management Limited | Spalding | 2016 |
| Forestry Management Services Ltd | Walton-On-Thames | 2025 |
| Forestry Restoration Services Ltd | Glasgow | 2018 |
| Forestry Services Limited | Powys | 2005 |
| Forestry Solutions Ltd | Ironbridge | 2021 |
| Forestry Training Service (UK) Ltd | Edinburgh | 2024 |
| Forestry UK Limited | Truro | 2009 |
| Forestry, Rail & Civils Limited | Southhampton | 2021 |
| Forests With Impact FWI CIC | Chorley | 2024 |
| Forests Without Frontiers CIC | Brighton | 2019 |
| Forestspring Ltd | Derby | 2026 |
| Forestview Organic Mushrooms Ltd | Dungannon | 2020 |
| Forestwealth Limited | Surrey | 2019 |
| Forestwood Services Ltd | Hitchin | 2019 |
| Foresure Limited | Wivelsfield Green | 1996 |
| Forever Doodles Limited | Edinburgh | 2021 |
| Forever Farm CLG | London | 2025 |
| Forever Farm Ltd | Gloucester | 2026 |
| Forever Frenchies Bigger Boyz Bullyz Ltd | Stockport | 2021 |
| Forever Fruits & Vegetables Prep Ltd | London | 2026 |
| Forever Green Seed & Bulb Company Ltd | Cromer | 2024 |
| Forever Puppy Ltd | Mansfield | 2020 |
| Forevergreen Ltd | Lydney | 2002 |
| Forge Farm Fields Ltd | Uckfield | 2017 |
| Forge Farm Poultry Limited | Shrewsbury | 2010 |
| Forge Grange Farm Limited | Gillingham | 2009 |
| Forge Green Limited | Cambridge | 2023 |
| Forgeside Farriers Limited | Newport | 2009 |