(Reuters) -Arthur J Gallagher said on Monday it would acquire insurance broker AssuredPartners in an all-cash deal worth $13.45 billion, as it looks to bolster its focus on property and casualty and employee benefits across the U.S.

Arthur J. Gallagher & Co. has signed an agreement to acquire AssuredPartners Inc., a partnership of insurance and employee benefits brokerage firms, for a total consideration of $13.45 billion, the firm announced Monday.