Founded in 1953, Armanino has consistently grown year after year and doubled its size in a span of five years. With offices in San Ramon, San Francisco, and San Jose, Armanino has become the largest California-based CPA firm based in California. While the firm possesses the resources to work with large private and public corporations, Armanino has never misplaced the importance of client service. We have changed our scale, not our culture.