HENNESSY ADVISORS INC is a California company, with head office located at 7250 Redwood Blvd. Novato, California 94945. The company achieved a record breaking net income last year - 14.94 million USD. This is 4.00% higher than one reported in 2016. In 2017 the company owned a total of 105.29 million USD worth of assets, including 26.70 million USD worth of current assets. The company amassed the most assets last year, totalling up to 105.29 million USD.