- Bat Conservation Trust
- British Deer Society
- Buglife
- Bumblebee Conservation Trust
- Butterfly Conservation
- Mammal Society
- National Landscapes Association
- Plantlife
- People’s Trust for Endangered Species (PTES)
- Royal Society for the Protection of Birds (RSPB)
- Saving Scotland’s Red Squirrels
- UK Fungus Day
- UK Squirrel Accord
- Vincent Wildlife Trust
- Wildlife Trusts