THE cofounder of McMahon Sheedy Communications, Mr John McMahon, has bought out his partner, Mr Larry Sheedy, for an undisclosed sum. Mr McMahon is now chairman and managing director of the company, while Mr Sheedy will remain on indefinitely as an account director. McMahon Sheedy was established in 1994, the result of a merger between John McMahon & Partners and Sheedy Communications. It counts among its clients the Campbell Bewley group, Gilbeys and Waterford Foods.