Previwo is a bio-technology company that is active in pioneering approaches to health management in aquaculture by harnessing nature and fortifying the beneficial microbial input lacking in aquaculture systems. The company owns patent protected technology regarding the use of benign probiotic strains for bath application of microbial enhancement of farmed fish, particularly for salmon and cleaner fish. Located on the former NMBU/Veterinary Institute campus in Adamstuen in Oslo, Norway, the fish health specialists and biologists in the company are levering the knowledge of the founder, Dr. Henning Sørum regarding 35 years of study of bacterial fish health and hostbacterial relationships. The company’s high research and development activities is focused on preventative health products toward reducing losses in the industry, including game changing approaches to utilising naturally occurring probiotic microbes to improve and strengthen the microbial ecology of farmed fish populations.