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3Bank has four principal shareholders, which together have a 98% share in the bank, who support 3Bank in accomplishing its strategic goals through financial and advisory assistance.

All four principal shareholders are members of the Global Alliance for Banking on Values (GABV), an independent network of banks using finance to deliver sustainable economic, social, and environmental development.

Umwelt Bank

UmweltBank was founded in 1997 in Nunberg, Germany following the idea that a bank can be both, sustainable and economically successful. As a special lender for sustainable projects the bank has not only been growing constantly but also increasing its positive social and environmental impact over the past 20 years. At UmweltBank their aim is to inherit a world worth living into future generations. Core competencies of UmweltBank are financing solutions for renewable energy projects as well as the sustainable housing sector. Learn more at

Triodos Investment Management (Triodos IM)

Triodos Investment Management (Triodos IM) with headquarters in Zeist, Netherlands connects a broad range of investors who want to make their money work for lasting, positive change with innovative entrepreneurs and sustainable businesses doing just that. In doing so, Triodos IM serves as a catalyst in sectors that are key in the transition to a world that is fairer, more sustainable, and humane. It has built up in-depth knowledge throughout 25 years of impact investing in sectors such as Energy & Climate, Financial Inclusion, and Sustainable Food & Agriculture, and also invests in listed companies that materially contribute to the transition toward a sustainable society. Learn more at

Opportunity Transformation Investments Inc i Opportunity International

Opportunity International is a global organization established in 1971 in Chicago (USA) with the vision to provide access to financial services and offer a chance for generating revenues to the underbanked. Opportunity International Network of microfinance institutions is currently active in over 20 countries.

Opportunity Transformation Investments Inc. (OTI) is a holding company and investment arm of Opportunity International, which has been established in June 2000 with aim of holding shareholding stakes in Opportunity International’s partner banks around the world. OTI established Opportunity Savings Bank in Novi Sad in 2002 in order to provide financial services to micro and small entrepreneurs and reduce unemployment in Serbia. Learn more at

GLS bank

GLS bank was founded in 1974 in Bochum, Germany and since then sustainability has been anchored in the core of GLS Bank. Their highest maxim is: Money is for the people. As a values-based bank, they offer their customers all the services of a fully licensed bank, from current accounts to construction financing and equity investments. Every customer can become a member and thus the owner of their bank. With a comprehensive transparency and well-trained staff, they offer a triple benefit: for the people, for the planet, and for the economic benefit of their members and clients. Learn more at