Grieg has two operating units in Norway and one in western Canada, as well as a joint unit handling operations in Shetland and Skye.

"We see that the synergy between our farming areas on Shetland and Skye (is) low," Chief Executive Andreas Kvame said in a statement while announcing the review.

The company did not provide a breakdown for revenue or output from Skye.

(Reporting by Terje Solsvik; Editing by David Holmes)