Moses & Søn G. Melchior was a trading house based in Copenhagen, Denmark.
It traded on the Danish West Indies with its own ships from circa 1820 and was also involved in passenger transport.
The company initially specialized in import of tobacco from the Netherlands but began to trade on the Danish West Indies from circa 1790.
They sailed on the Danish West Indies, both with freight and passengers.
An elder brother, Sally Melchior (1814–1865), established a company in Hamburg in a partnership with his later brother-in-law Bernhard Dehn (1808–1863) Moses & Søn G. Melchior relocated to Højbro Plads 21 in 1855.