Domstein is a Norwegian fishing company based in Måløy.

Through the division Domstein Fish AS the group has production facilities for white fish in Måløy as well as a partial ownership in Ultra Seafood Loppa.

The subsidiary Domstein Enghav AS with head office in Oslo produces frozen fish for the Nordic market branded as Enghav with plants in Vardø, Haugesund, Kungshamn and Lysekil.

Production plants are located in Sommarøy, Bodø, Ålesund, Liavåg, Selje, Måløy, Kalvåg, Florø, Bergen and Karmøy.

The shipping section Ervik Havfiske that Domstein owns 50% of operates twelve fishing boats that fish 11,000 tonnes annually based on auto line.