Opportunity Kauswagan Bank, Inc. (OK Bank), a microfinance thrift bank resulted from the merger of Opportunity Microfinance Bank, Inc. and Kauswagan Bank, Inc. OK Bank is a Christ-centered microfinance bank serving the poor on a transformational and sustainable basis.

Their mission is to help alleviate poverty through the development and expansion of small and microenterprises in the Philippines and they envision to be the leading microfinance bank in the Philippines empowering the poor through client-focused banking and allied services catering to half a million clients.