In 1841, he moved to
Christiania (now Oslo). In 1850 he established Langaard & Dietrichson together with C. A. Dietrichson. The partnership operated in export and import. In 1859, Langaard founded the brewery
Frydenlund Bryggeri in
Christiania together with three partners; Abraham Hesselberg, Justus Heinrich Schwensen and Knud Knudsen. After some startup problems, the brewery became an economic success, and Langaard started other companies, and was involved in mining, forestry and shipping. He established Follum Tresliperi in 1873 and Lillehammer Dampsag og Høvleri in 1876. He was decorated Knight of the
Order of St. Olav in 1887. Mads Langaard died during 1891 and was buried on
Vår Frelsers gravlund in Oslo. ==References==