Green Balkans is a member of:

Conservation Volunteers Alliance (CVA)
International Wildlife Rehabilitation Council (IWRC)
Society for Conservation Biology
Central and East European Working Group for the Enhancement of Biodiversity (CEEweb for Biodiversity)
East European/Mediterranean Griffon Vulture Working Group and the Pygmy Cormorant Working Group
Danube Environmental Forum (DEF)
Bulgarian Business Leaders Forum (BBLF)
“Preserve Bulgaria’s Nature” Coalition
National Anticorruption Network
”Kalimok-Brushlen Protected Site” NGO