High Quality Content by WIKIPEDIA articles! Alfa Bank OJSC, the corporate treasury of the Alfa Group, is the largest private commercial bank in Russia. Headquartered in Moscow, it operates in seven countries, providing financial services to over 40,000 active corporate customers and 5.3 million retail clients. Alfa Bank is particularly active in Russia and Ukraine, ranking among top 10 largest banks in terms of capital in both countries. In the 2009 edition of the Top-1000 World Banks, a survey by The Banker magazine, Alfa Bank was placed 270th.