How we started in Denmark Hans Vestergaard founded Colliers International Denmark A/S in 1988. Back then the name was: Ejendomsmæglerfirmaet Hans Vestergaard Erhvervsejendomme. The first office was in Aarhus. Since then followed offices in Vejle, Copenhagen, Odense and Aalborg. In 1997 the firm was affiliated to Colliers, and the firm was named Colliers Hans Vestergaard A/S. In 2011 the firm was named Colliers International Danmark A/S to join the unified international brand.