Arthur J. Gallagher & Co., a global insurance brokerage, risk management and consulting services firm headquartered in Rolling Meadows, Ill., has bought Chicago-based ROC Group, an employee communication agency.

The agency is focused on human resources and enterprise change services for clients across the U.S. Jan Burnham and her team will join Gallagher’s employee benefits consulting and brokerage operations under the direction of Ben Reynolds, global managing director, employee experience and communication practice.

“ROC Group is a leading employee communication firm with an outstanding culture, and their products and services complement our existing benefits and HR offerings,” comments J. Patrick Gallagher Jr., chairman, president and CEO. “I am delighted to welcome Jan and her associates to Gallagher.”