Arthur J. Gallagher, a global insurance brokerage, risk management and consulting services firm, agreed to acquire Mutual Brokers, an independent broker serving a broad cross-section of commercial and small corporate clients in Canberra and the ACT. Financial terms were not disclosed. "Mutual Brokers is a growing, culturally aligned business that doubles our presence and expands our client capabilities in the key Canberra market. I am very pleased to welcome Lou, Adrian and their associates to our growing global team," J. Patrick Gallagher, Arthur J. Gallagher Chairman, President and CEO.