Aon (AON) Stock Analysis & Winston Score
Aon is a professional services firm that helps businesses, governments, and other large organizations manage risk. It does this mainly by acting as an insurance broker — meaning it connects clients with insurance companies and helps them find the right coverage. Aon also advises companies on employee benefits, retirement plans, and how to handle financial risks. It is one of the two largest insurance brokers in the world, alongside Marsh McLennan. Aon makes money by charging fees and commissions when it places insurance policies or provides consulting services. It operates in over 120 countries, with major revenue coming from North America and Europe, and it generates roughly $15 billion in annual revenue. Its main competitive advantage is its global scale and deep client relationships, which are hard for smaller rivals to replicate. The key risk Aon faces is that its pending acquisition of NFP, a middle-market broker, adds significant debt and must prove it can deliver the expected cost savings and revenue growth.
Winston Score: 64/100 — Good
A decent business — some strong pillars, some weaker.
- Quality: Strong (22/30)
- Growth: Exceptional (17/20)
- Cash Flow: Strong (8/10)
- Stability: Good (5/10)
- Valuation: Good (5/10)
- Ownership: Mixed (4/15)

