Founded in1969, Armanino is one of the 25 largest accounting firms in the U.S. by revenue. It's also the largest accounting and business consulting firm headquartered in California. 

In early 2017, the firm completed its acquisition of the Dallas-based accounting firm Travis Wolff, which is expected to add over $22 million in revenues. Prior to that, in recent years, Armanino's revenues had climbed by as much as 30 percent per year. 

Armanino's recent era of growth was ushered in by Andy Armanino in 2005 when he became managing partner. Since taking the helm, Armanino has more than doubled the accounting firm's headcount. Given Armanino's proximity to Silicon Valley, it's no surprise that the firm's largest industry group is its technology practice. In fact, the firm's high-tech clients have included heavy hitters like Microsoft, OpenTable, and SurveyMonkey. Armanino's remaining industry groups are manufacturing and distribution, health care, retail, not-for-profit, professional services, private education, real estate, SEC and financial services. Over the years the firm has worked with some big names in California, including eBay, Electronic Arts, Brocade, The SF Symphony, SCPA, and Goodwill. 

Today, Armanino has approximately 900 professionals. It operates out of several offices in the San Francisco Bay Area, and has additional offices in Los Angeles, San Diego, and Woodland Hills, Calif.; Portland, Ore.; Naperville, Ill.; and Dallas, Tex.