Arthur J. Gallagher & Co, an American global insurance brokerage and risk management services firm, completed the acquisition of Keaney Insurance Brokers, a commercial insurance broker that supports businesses across Ireland with insurance and risk management solutions. Financial terms were not disclosed. "Keaney's strong client service and market expertise are an excellent strategic fit as we continue to expand our capabilities in Ireland. I am very pleased to welcome Terry and his associates to our growing, global team," J. Patrick Gallagher, Jr., Chairman, President and CEO.