OMD has won the paid search and social media account for Tabcorp, expanding its remit to now include all media communications of the betting giant.
The account, worth an estimated $2m, was won following a competitive pitch.
OMD already holds the TAB and Luxbet media strategy planning and buying business.
Sasha Hunt, head of digital marketing at Tabcorp, said: “OMD impressed us throughout the pitch process with their depth of online and social media capabilities. They demonstrated a genuine understanding of our customer base, coupled with a real rigour and passion to drive our growth in this space, we are very enthusiastic to be working with them.”