Small businesses, which comprise 99.7% of all employer firms and employ half of all private-sector employees in the U.S., say they worry about people’s retirement planning and their role in it.

Arthur J. Gallagher & Co. acquired Schiff, Kreidler-Shell Insurance and Risk Services, a retail insurance broker based in Cincinnati, Ohio.

Arthur J. Gallagher & Co. acquired a 36-year-old, Louisiana-based employee benefits and insurance brokerage company serving the southern U.S.

USI Insurance in Briarcliff Manor, N.Y., acquired an Itasca, Ill.-based property-casualty and employee benefits operation.

Marsh & McLennan Agency’s mid-Atlantic region will have expanded employee-benefits services with its acquisition of KSPH LLC of Glen Allen, Va.

Insurance broker Willis Group Holdings has begun an internal investigation into its discovery of about $28 million in fraudulent overstatements of commissions and fees between 2005 and 2011 in its employee benefits operations.

HealthSmart Holdings, based in Irving, Texas, acquired a Springfield, Mo.-based insurance and health care services company to expand its national presence.

Few employers think their workers understand their benefit packages, which can be corrected by one-to-one benefits counseling sessions during enrollment, a new survey says.

Arthur J. Gallagher & Co. acquired Capital Bauer Insurance Agency, an Albany, N.Y.-based retail insurance broker allowing it to significantly expand its Upstate New York presence.

A Cleveland, Ohio-based business services provider bought the employee benefits and retirement section from Advantage Benefit Planning (ABP), based in Pleasantville, N.J.