Muller Maritime Holding B.V. (MMH) is the holding company for Multraship and its subsidiaries, including wholly-owned and minority participations as registered in the Dutch Chamber of Commerce. Multraship operates internationally, with a large and diverse fleet of state-of-the-art tugboats and other vessels, and is jointly owned by the Muller Family and Fairplay Towage. The company is a longstanding member of the International Salvage Union and BIMCO, and operates through subsidiaries such as Verenigde Bootlieden, Montis Mooring, and Scheldt Maritime Services.

