Georg Duncker GmbH & Co. KG (GD) is one of the world’s leading brokers in marine insurance and associated services. Founded i ... n 1870, GD is an independent and privately owned company, with traditional Hanseatic roots. GD has a global reach: headquartered in Hamburg with additional offices in Singapore and Miami. GD’s 100+ employees provide our international shipping clients with a 24/7 broking and claims service. read more