Wilson was part of various investment groups and companies. He was a founding director of the Delaware Fire Insurance Company, organized on August 19, 1825. He became a director of the Farmers' Bank of Delaware in 1825, and served as its president from Jan. 5, 1843, to March 31, 1845. On February 15, 1839, he was named a commissioner of the Union Bank of Delaware. On March 12, 1844, he became a founding director of the Wilmington and Brandywine Cemetery Company.
