OMD Australia | 30,337 followers on LinkedIn. At OMD, we create what's next with media solutions that transform your business creatively, culturally and commercially | OMD Australia is proud to be part of the OMD global network, the world's largest leading marketing and communications agency. At OMD, we create what's next with media solutions that transform your business creatively, culturally and commercially. OMD Worldwide is home to over 14,000 media professionals spanning across more than 100 countries.