Reforms to alleviate the burden of Sarbanes-Oxley compliance and the slowing economy may finally be taking a bite out of the Big 4 firms, which reportedly are laying off waves of workers now that demand for their services has diminished.

Deloitte has confirmed market rumors that it is dismissing some 800 professionals and staff throughout the United States, primarily from its audit and risk consulting services. Deloitte representative Deb Harrington says the firm is adjusting staffing to meet client needs.