In Nova Scotia, he helped establish a business with fellow Scot, James Thom, catching and exporting
salmon in the
Miramichi region of New Brunswick in 1785 and also supplied goods to people who had settled in that area. He and his partners also became involved in the timber trade and shipbuilding. Fraser also served
Northumberland County as
justice of the peace and justice in the Inferior Court of Common Pleas. He ran unsuccessfully for a seat in the
New Brunswick Assembly in 1791 before being elected four years later, serving from 1795 to 1818. Around 1810, although still operating in the Miramichi area, he moved his residence to
Halifax. He was member of the
North British Society. In 1818, he was named to Nova Scotia's
Council. ==Personal life==