That means its a B corp or GABV member, from the site
B-Corp Banks: Certified B-Corporations are businesses “that meet the highest standards of verified social and environmental performance, public transparency, and legal accountability to balance profit and purpose.” B-Corp banks are one option for people interested in a bank that aims to use its money and power as a force for good.
Global Alliance for Banking on Values (GABV) Members: The GABV is a network of financial institutions that use “finance to deliver sustainable economic, social, and environmental development.” Banks and credit unions in the GABV take a triple-bottom-line approach and serve as values-based banking options. Browse all B-Corp or GABV banks. Browse all GABV credit unions.
But there’s only 14 of them so honestly it’s the same list.