At Aon, our values define who we are as colleagues and are the foundation of all we do. Living our values helps us shape decisions for the better — for our colleagues, our clients and our communities.

In 1987, the holding company was renamed Aon from aon, a Gaelic word meaning "one". The company is globally headquartered in London with its North America operations based in Chicago at the Aon …

5 days ago · Aon plc (NYSE: AON), a leading global professional services firm, today released updated findings from its multi-year study of U.S. commercial health claims data, building on its GLP-1 …

4 days ago · DUBLIN, Jan. 14, 2026 /PRNewswire/ -- Aon plc (NYSE: AON), a leading global professional services firm, today announced a $1 billion expansion of its proprietary Data Center …

4 days ago · Aon said Wednesday it has increased capacity by $1 billion, to $2.5 billion, for its Data Center Lifecycle Insurance Program, designed for clients managing risk across all stages of data …

3 days ago · Aon Global Limited Announces Redemption in Full and Delisting of 2.875% Senior Notes due 2026 from the New York Stock Exchange

Find the latest Aon plc (AON) stock quote, history, news and other vital information to help you with your stock trading and investing.

2 days ago · Aon increases data centre insurance programme capacity by $1bn The expansion increases total available capacity to $2.5bn (£1.86bn), at a time when risks across global data centre …

Media Kit Company Overview Aon plc (NYSE: AON) exists to shape decisions for the better — to protect and enrich the lives of people around the world.

2 days ago · Chicago-based professional services firm Aon says employers could see dramatically reduced medical cost growth over the long term from employee use of GLP-1 weight loss …