Sikich is a professional services firm that provides accounting, advisory, technology, and managed services to businesses and organizations across the United States. The company was founded in 1982 and is headquartered in Naperville, Illinois. Sikich has over 1,000 employees and serves clients in a variety of industries, including manufacturing, distribution, healthcare, and not-for-profit. The firm has been recognized as one of the top 100 accounting firms in the United States by Accounting Today.