Mercantile Marine Pty Ltd was established in 2003, becoming the parent company of both W.A. Mercantile Services and Griffith W.A. Services.
WA Mercantile Services was incorporated in Fremantle in 1979 to provide ancillary shipping and marine insurance services to Western Australia.
In 1985 W.A. Mercantile Services acquired the company Griffith W.A. Services, which was the Western Australia franchise from the Internationally recognised Inspection Marine Surveying and Assay Group, then known as Daniel C Griffith & Co Based in the United Kingdom.