About

TOPSOE A/S

Topsoe (previously Haldor Topsøe) is a Danish company founded in 1940, headquartered in Kongens Lyngby, Denmark. With approximately 2,300 employees, Topsoe specializes in technologies aimed at reducing carbon emissions, supplying technology, catalysts, and services for the global energy transition. Topsoe is the global leader in ammonia plant technology - roughly half of all ammonia produced outside China today is synthesized in a Topsoe loop. The company also operates a SOEC manufacturing plant for electrolytic hydrogen production.