Additional reporting by Bonnie Waycott

Finnish sea trout farmers Brando Lax Ab and Lannenpuolen Lohi both started up in the early 1980s and have carved out niche markets serving Helsinki with just-in-time salmon slices. 

Landlocked to the north and with only a limited number of suitable sites in the Gulf of Botnia, Finland is about to embark on a strategy to make trout farming offshore using submersible cage technology provided by Italian designer Badinotti. 

Both Finnish aquaculture companies are faced with a government decision that will limit nearshore farming. They have worked with Finland's natural resources institute Luonnonvarakeskus, known as "Luke", and Badinotti on a plan to move farming beyond archipelago islands on the southern Finnish coast further offshore.  

The obligatory move may ultimately serve both companies well. Brando Lax, since started farming in 1984, produces 2,000 metric tons of trout a year, a figure that doesn't come close to even mid-tier Norwegian salmon and trout farmers. Due to surface ice that develops in the harsh winters, Brando Lax is forced to move farms to nearshore locations to allow the fish to survive [...]