Arthur J. Gallagher & Co. Acquires R.J. Riordan & Co. in Illinois

July 30, 2021

Arthur J. Gallagher & Co. acquired Oakbrook, Illinois-based R.J. Riordan & Co.

R.J. Riordan & Co. is a retail property/casualty broker offering a full range of insurance products and services to clients across the Chicago region. It specializes in serving clients in the construction and transportation industries.

The team will be relocating to Gallagher’s retail brokerage operations in Rolling Meadows, Illinois, under the direction of J. Ryan Isaacs, head of Gallagher’s Midwest region retail property/casualty brokerage operations.

Terms of the transaction were not disclosed.

Source: Arthur J. Gallagher & Co.