Terms of the deal were not disclosed.

The brokerage team handles all lines of marine insurance for a wide variety of maritime clients around the world. Led by Graham Gardner, the team will operate from offices in Seattle and Newport, Ore., under the direction of Jim Buckley, head of Gallagher’s Northwest region retail property/casualty brokerage operations.

Arthur J. Gallagher & Co. is a global insurance brokerage, risk management and consulting services firm headquartered in Rolling Meadows, Ill.