Description Willdan Financial Services is a public finance consulting firm and subsidiary of the Willdan Group. The company offers financial and business consulting services to more than 600 cities, counties, housing and state agencies, port authorities, and school districts in nearly 40 states. Willdan Financial specializes in the planning and implementation of taxes and compliance services for municipal bonds. The company also offers utility rate analysis, user fee studies, and annexation studies. It operates offices in California, Arizona, Florida, Maryland, New York, and Texas. Harry Clark founded Willdan Financial Services in 1988.