Revenue at Aon rose 9% to $US17.18 billion ($24.7 billion) last year.

In the fourth quarter, revenue was up 4% to $US4.3 billion ($6.2 billion), while adjusted net income grew 9% to $US1.1 billion ($1.58 billion).  

“We finished the year strong, with continued momentum in the fourth quarter ... These results demonstrate the consistency and durability of our business model,” president and CEO Greg Case said.

“We are entering 2026 with momentum and are well positioned to continue to deliver for our clients, generate sustainable growth and create long-term shareholder value.”

Organic revenue growth was 6% last year and 5% in the fourth quarter. This year, Aon expects at least mid single digit growth.