Siri Marine, based in Groningen (The Netherlands), provides worldwide services to the offshore, shipping and shipbuilding industries. The services include: development, implementation and operation of motion/condition monitoring systems for a large variety of vessels, heavy lift, heavy transport, towing and salvage operations as well as Decision Support Systems (Weather Dependent Lashing) for RoRo vessels and ferries. Under the new MO4 label a revolutionary motion forecasting service is being introduced to the maritime and offshore industry.