 1905 Hellman bought the banking division of Wells Fargo and merged it with The Nevada National Bank under the new title of Wells Fargo Nevada National Bank of San Francisco and was president of the bank until his death in 1920.In 1893, Hellman had incorporated the Union Trust Company.Union Trust Company was later merged into Wells Fargo Nevada National Bank in 1923 creating Wells Fargo Union Trust Company which became Wells Fargo Bank.