Cermaq is one of the world's leading companies in farming of salmon and trout, with operations in Norway, Canada and Chile. In 2013 the farming business had sales of around NOK 5.2 billion, and a total harvest volume of 142,300 tonnes. Cermaq's feed business unit EWOS was sold in 2013. In October 2014, Cermaq ASA became a fully owned subsidiary of Mitsubishi Corporation. The company has its headquarters in Oslo, Norway.

In October 2014, the acquisition of the firm was completed by Mitsubishi Corporation for $1.4 billion and the company is delisted from Oslo Stock Exchange. Cermaq ASA changes name to Cermaq Group AS

Cermaq produces Atlantic salmon, coho and trout. In Canada the operations are on Vancouver Island with offices located in Campbell River and Tofino. In Norway the company has operations in Nordland and Finnmark while the operations in Chile are around Puerto Montt. The total production of salmon was 142,300 tonnes in 2013.

In addition Cermaq has minority ownership in grain wholesaler Norgrain (72,5%).