Supplying German and UK made technical marine equipment since 2006. We specialise in the supply of new and used/reconditioned spares for MaK marine diesel engines. We supply spares for DEUTZ, MWM and Caterpillar engines, as well as a large range of other technical spares, including L'Orange, Bosch, Boll & Kirch, Hamworthy and Napier. A comprehensive range of parts is available directly from our warehouse in Hamburg, Germany and our Hamburg workshop can also provide a qualified, professional repair service for almost all of your marine diesel components.



To offer a friendly, reliable and cost-effective service to all our customers at all times. Whether dealing with a large dry dock order or a just a few o-rings, we always strive to deliver quality spares on time and at a fair price.



Our client base ranges from blue-chip multinational ship owners, to repair workshops, to one-man operated tugboats. No spares requirement is too big or too small and we are always happy to assist, 24/7, 365 days a year.


Wessex Hanseatic Marine Services Ltd was founded in March 2006 as the subsidiary of Inter Sea Services and Trading GmbH in Hamburg, to meet the growing need for MaK spares in the UK marine market. With over 35 years of industry experience in Hamburg to rely upon, and a joint team of 17 employees, WHMS has continued to grow and establish a reputation for quality and reliability.

We are proud that we are now the first port of call for many UK ship-owners and operators looking for Mak spares and other German technical equipment, as well as a trusted source of UK equipment for many European and worldwide clients.


WHMS is a proud supporter of Reaching the Unreached (RTU), a UK registered charity dedicated to helping the poor in southern India. RTU is a grassroots organisation, working with the poorest children and families in rural communities to change their lives for good. They build decent housing, drill wells, run schools, promote rural enterprise, and care for 1,000 orphaned children in 4 Children’s Villages.
Please see for more details or to make a donation go to


Our company is certified according to DIN EN ISO 9001:2015.