He operated a successful Boston distillery, along with his Holmes uncles and was the senior partner in a firm involved in the fisheries and the West Indies trade.
He relocated to Halifax, Nova Scotia during Father Le Loutre's War and engaged in shipping ventures which brought him both North American and European goods, and  extended credit, prosecuted debts, and settled estates.
He purchased Halifax properties, which included the over-extended poor, likely the source of the comment that he was a "Litigious troublesome Man… who has treated us in a Barbarous cruel manner."

In 1754 Salter expanded his operations into the field of government contracts.
He was subsequently called upon to provide certain mercantile evaluations for the government.

Salter was an early member of the grand jury in Halifax and served as a captain of militia (1761–1762) and an Overseer of the Poor (1765–1766).
In 1757, he became a leader in the committee of Halifax freeholders which used legal effort to force Governor Charles Lawrence to convene a representative assembly in October 1758, Salter was amongst its 20 members.

For 15 years Salter sat in the Nova Scotia House of Assembly, representing Halifax Township from 1759 to 1765 and Yarmouth Township from 1766 to 1772.

During the Seven Years’ War Salter was owner, with other Halifax entrepreneurs, of the privateer ship Lawrence.
With his development of a sugar-house at Halifax in the mid-1760s.
This and his American trade connections enabled him to capitalize upon the embargos placed on British goods by the Thirteen Colonies in the late 1760s.
Despite his various interests, and further government contracts during the administration of Michael Francklin his fortunes continued to follow the decline of the Nova Scotia economy.
In 1768 shipping and other losses were too much and after two years settling his debts in Nova Scotia and New England, he operated his sugar-house himself.
In 1773 he built a vessel at Liverpool, Nova Scotia to return to the sea, as a trader, where he had begun - as a youth.
He operated a successful Boston distillery, along with his Holmes uncles and was the senior partner in a firm involved in the fisheries and the West Indies trade. He relocated to Halifax, Nova Scotia during Father Le Loutre's War and engaged in shipping ventures which brought him both North American and European goods, and  extended credit, prosecuted debts, and settled estates. He purchased Halifax properties, which included the over-extended poor, likely the source of the comment that he was a "Litigious troublesome Man… who has treated us in a Barbarous cruel manner."
In 1754 Salter expanded his operations into the field of government contracts. He was subsequently called upon to provide certain mercantile evaluations for the government.
Salter was an early member of the grand jury in Halifax and served as a captain of militia (1761–1762) and an Overseer of the Poor (1765–1766). In 1757, he became a leader in the committee of Halifax freeholders which used legal effort to force Governor Charles Lawrence to convene a representative assembly in October 1758, Salter was amongst its 20 members.
For 15 years Salter sat in the Nova Scotia House of Assembly, representing Halifax Township from 1759 to 1765 and Yarmouth Township from 1766 to 1772.
During the Seven Years’ War Salter was owner, with other Halifax entrepreneurs, of the privateer ship Lawrence. With his development of a sugar-house at Halifax in the mid-1760s. This and his American trade connections enabled him to capitalize upon the embargos placed on British goods by the Thirteen Colonies in the late 1760s. Despite his various interests, and further government contracts during the administration of Michael Francklin his fortunes continued to follow the decline of the Nova Scotia economy. In 1768 shipping and other losses were too much and after two years settling his debts in Nova Scotia and New England, he operated his sugar-house himself. In 1773 he built a vessel at Liverpool, Nova Scotia to return to the sea, as a trader, where he had begun - as a youth.
Malachy Salter