Omnicom Buys Mercury Public Affairs

NEW YORK Diversified Agency Services, a unit of Omnicom Group Inc., said it has purchased a majority interest in Mercury Public Affairs.

Mercury, which has offices in New York, Albany and White Plains, N.Y., is the shop where top Republican consultants Keiran Mahoney and Michael McKeon, the latter a former communications director for New York Governor George Pataki, hang their hats.

“We were impressed with Mercury’s unique approach to public affairs and exceptional record of success for their clients. This is a company that has taken on problems large and small, and produced big results,” said Thomas L. Harrison, chief executive officer of DAS, in a statement. “Mercury’s track record is stellar.”

Mercury offers clients strategic management, public opinion research, crisis communications, advertising, government affairs and public relations.