Banco De Oro (BDO) ? Subic ? Rizal Highway Branch ? Banco de Oro (BDO), also known as BDO Unibank, Inc., is a Philippine banking company with main offices in Makati Philippines. As of this writing, It has the honor of being considered the largest bank in the Philippines by assets and market capitalization. Internationally, it is considered the fifteenth largest in Southeast Asia. BDO maintains the largest network of operating branches at over 1,300 with over 4,000 ATM?s throughout the Philippines. This bank is also a member of SM Group of companies. Of course, being the largest bank in the country, you would expect it to be a full-service universal bank. The bank provides products and services to the consumer, retail and corporate markets that include large-scale lending.