 The group is headquartered in Bergen and is listed on the Oslo Stock Exchange where it is a constituent of the benchmark OBX Index,

The first company to use the name Marine Harvest was founded in Lochailort, Scotland by Unilever in 1965 at the outset of the Atlantic salmon farming industry.Unilever had been developing farming methods at a research facility there.The company began operations in Chile in 1975, where fishmeal raw material, originally supplying the chicken protein farming industry, started developing alternative markets in salmon and shrimp proteins.