Aon plc AON is a leading global provider of risk, retirement and health solutions, serving clients across more than 120 countries. The company has been benefiting from steady organic growth, strong client retention and strategic acquisitions. Its shares have lost 1.3% year to date compared with the industry’s average decline of 5.7% over the same period.
Valuation of AON
AON has a market capitalization of nearly $73.9 billion. The stock appears somewhat expensive relative to the industry. Shares are currently trading at a forward 12-month P/E of around 17.1X, above the industry average of 16.1X, reflecting a premium valuation. The stock currently carries a Value Score of D.
Where Do Estimates for AON Stand?
Aon is expected to deliver year-over-year earnings growth of 11.6% in 2026 to $19.05 per share, followed by an additional 11.3% increase in 2027. Over the past month, analysts have raised 2026 earnings estimates two times versus six downward revisions. The consensus estimate for 2026 revenues is pegged at $17.91 billion, implying year-over-year growth of 4.3%.
AON beat on earnings in each of the trailing four quarters, delivering an average surprise of 2.7%. This is depicted in the figure below.
Aon plc Price, Consensus and EPS Surprise
What’s Favoring AON Stock?
Aon continues to deliver consistent organic growth despite less favorable insurance pricing conditions. In the second quarter of 2026, organic revenues increased 5%, with all four solution lines delivering 5% growth. New business contributed 10 points to organic growth, while retention remained in the mid-90s. Its growth is being driven more by client demand and new business than by pricing, supporting the durability of Aon’s business model.
Aon’s Accelerating Aon United restructuring program continues to generate savings and improve operating efficiency. The company delivered $25 million of restructuring savings in the second quarter, contributing about 60 basis points to adjusted operating margin. Aon remains on track to generate $100 million of savings in 2026 and reach its longer-term goal of $450 million in cumulative savings by 2027. At the same time, the scalable Aon Business Services (“ABS”) platform is using AI-enabled productivity improvements and disciplined expense management to lower unit costs. These efforts helped adjusted operating margin expand 70 basis points to 28.9% in the second quarter of 2026.
Aon continues to expand its middle-market platform through programmatic tuck-in acquisitions. The company has deployed more than $350 million of capital year to date, including investments that strengthen its MGU and MGA capabilities, while continuing to use the ABS platform to accelerate NFP's growth. In second quarter, Aon also invested $29 million in targeted middle-market acquisitions that met its strategic priorities and return thresholds. This strategy is helping Aon broaden its capabilities and addressable market while maintaining a disciplined approach to capital allocation.
Aon's improving earnings and cash generation continue to provide significant financial flexibility. Operating cash flow increased 5% year over year to $986 million in the first half of 2026, while free cash flow rose 4% to $846 million. In second quarter of 2026, Aon returned $775 million to shareholders, including $600 million through share repurchases and $175 million in dividends. The company has already exceeded its full-year target of at least $1 billion in share repurchases, while approximately $7.7 billion remained available under its authorization as of June 30,2026, supporting continued shareholder-friendly initiatives.
Risks to Watch
Aon continues to operate with a highly leveraged balance sheet following years of acquisitions, including NFP. As of June 30, 2026, the company had approximately $1.1 billion in cash and cash equivalents, $2.0 billion in short-term debt and current maturities and $12.9 billion in long-term debt. Total shareholders' equity stood at $9.6 billion. The sizable debt load remains an important risk for investors, particularly if operating conditions weaken or the company needs to allocate more cash toward debt repayment.
Aon's debt burden continues to result in substantial interest costs. Interest expense totaled $358 million in the first half of 2026, down 14.4% from $418 million a year earlier, primarily reflecting lower average debt balances. The improvement is encouraging, but interest expense remains a meaningful cash and earnings obligation. Aon expects interest expense of approximately $185 million in the third quarter of 2026. A sustained high interest burden could also limit Aon’s financial flexibility if operating conditions weaken.
Aon’s disciplined execution, ongoing efficiency initiatives and strategic investments should continue to support long-term growth and gradual deleveraging. The company currently carries a Zacks Rank #3 (Hold), reflecting balanced near-term risk and reward potential.
Key Picks
Investors interested in the broader Finance space can look at some better-ranked stocks like Accelerant Holdings ARX, Willis Towers Watson Public Limited Company WTW and Erie Indemnity Company ERIE each sporting a Zacks Rank #2 (Buy) at present. You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.
The Zacks Consensus Estimate for Accelerant’s 2026 earnings is pegged at 87 cents per share, which has witnessed four upward revision in the past 30 days, with no movement in the opposite direction. ARX beat earnings estimates in each of the trailing four quarters, with the average surprise being 55.7%. The consensus estimate for 2026 revenues is pinned at $1.16 billion.
The Zacks Consensus Estimate for Willis Towers’ 2026 earnings is pegged at $19.77 per share, which has witnessed nine upward revisions in the past 30 days, with no movement in the opposite direction. WTW beat earnings estimates in each of the trailing four quarters, with the average surprise being 3.9%. The consensus estimate for 2026 revenues is pinned at $10.51 billion, implying 8.2% year-over-year growth.
The Zacks Consensus Estimate for Erie Indemnity’s 2026 earnings is pegged at $12.55 per share, indicating 37.2% year-over-year growth. ERIE beat earnings estimates in two of the trailing four quarters but missed in the other two, with the average negative surprise being 30%. The consensus estimate for 2026 revenues is pinned at $4.17 billion, implying 2.5% year-over-year growth.
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