Sirena A/S produces, processes, supplies, and exports frozen fish and seafood. The companys products include cold-water shrimps, Greenland halibuts, Atlantic cods, haddocks, saithe, redfish, Atlantic herring and mackerel, snow crabs, lobsters, Canadian scallops, and salmons. Its products are sold through major fish distribution centers in Denmark and internationally. The company was founded in 1985 and is based in Naerum, Denmark. It has sales offices in various markets, such as the Russian Federation, China, and Vietnam. Sirena A/S operates as a subsidiary of Sirena Group A/S