His factory for the distillery De Danske Spritfabrikker at Aalborg's harbour front was declared a Danish Industrial Heritage Site in 2009.

[1][2] Other works include the headquarters of publisher Guttenberghus (now Egmont Media), now partly converted into the Danish Film Institute, and the Richshuset in Copenhagen.

He won the Academy's small gold medal in 1913 and worked as a draughtsman and executing architect from 1905 until 1917, first for Hack Kampmann and later Gotfred Tvede.

[4] Cock-Claussen worked for De Danske Spritfabrikker (English: the Danish Distillers), designing numerous facilities around the country, including the factories in Hobro (1925), Aalborg (1929–1930), Randers, Slagelse, Roskilde (1941) and Copenhagen (in collaboration with Preben Hansen).

Other notable works in Copenhagen include Gutenberghus at Gothersgade (1926–29, expanded 1935 and 1961), now the Danish Film Institute, the Richshuset at City Hall Square (1934–36) and St. Theresa's Church in Hellerup.