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 - 20.61 million USD. This is 37.97% higher than one reported in 2017. In 2018 the company owned a total of 110.13 million USD worth of assets, including 29.65 million USD worth of current assets. The company amassed the most assets last year, totalling up to 110.13 million USD.