GEM Sustainability Services and Consultancy Inc. (GEM), founded in March 2019 and headquartered in Ankara, aim to provide sustainability services to national and international clients and their investments in Turkey and in the wider region. 

Since March 2019, GEM have successfully delivered Environmental and Social Management System (ESMS) establishment for Financial Intermediaries (FIs) and Private Sector Investors, Environmental and Social (E&S) Impact Assessment (ESIA), independent E&S Due Diligence and Monitoring on behalf of , M&A Advisory Services, Sustainability Reporting in line with GRI Standards/UN SDGs and other E&S consultancy services in a variety of sectors including solar power, wind power, geothermal power, infrastructure (motorways, highways) and chemicals.