“CAS has become an important line of business for CPA firms in all size segments, even as overall client fees are growing, according to a recent survey by the AICPA Private Companies Practice Section and CPA.com.

“It’s safe to say that nearly 10 percent of revenue in the profession are focused on client accounting,” said Mark Koziel, CPA, CGMA, the AICPA’s executive vice president of firm services, in a statement. “And depending on the size of the firm, it may be more or slightly less, but overall it’s a strong category on its own.”

Tom Li, director of outsourced accounting for San Francisco-based DZH Phillips, heads up the CAS line for his firm and has seen firsthand how its popularity has increased in recent years.”

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