The client did not hold a pitch, according to sources. GroupM agency MEC was the incumbent. OMD declined to comment.
Earlier, Sentosa Development Corporation (SDC) picked OMD as its media agency following a pitch. (Sentosa Leisure Management, a subsidiary of SDC, is responsible for tactical marketing efforts to promote Sentosa as a destination.)
In October, Resorts World Sentosa (RWS) initiated a regional media review and is believed to have shortlisted Carat and Maxus.
Resorts World Sentosa is owned by Genting Singapore, part of the Genting Group.