Marsh said Thursday its investments in AI and digital infrastructure will be a driver of revenue growth going forward as the brokerage reported fourth-quarter revenue of $6.60 billion, up 9% overall. “We expect underlying revenue growth in 2026 to be similar to last year,” Mr. Doyle said. Marsh Risk, formerly known as Marsh, reported $3.66 billion in revenue, up 10% overall and 3% on an underlying basis. In reinsurance, the property catastrophe market continued to soften as reinsurers pursued growth by deploying more capital, Mr. Doyle said. Marsh Management Consulting reported $1.03 billion in revenue, up 8% overall and 8% on an underlying basis.