Aon plc (AON) Stock Price & How to Invest
Last updated July 2026
Short answer
You can invest in Aon plc (AON) by buying shares or fractional shares at any major US broker, through a financials or insurance ETF that holds it, or as one holding in a thematic basket. Aon is a global professional-services firm specializing in risk and human capital: it operates as an insurance and reinsurance broker, a benefits and retirement consultant, and a data-and-analytics advisor, helping companies manage risk, insurance, and employee programs. The single most important thing to understand is that Aon is a fee-and-commission advisory business, not an insurer that takes underwriting risk, so it earns steady, recurring revenue tied to client relationships and insurance flows, which tends to make it a more defensive, compounding financial than a balance-sheet-heavy bank or insurer.
AON stock price
As of 2026-07-14, Aon plc (AON) last closed at $362.96, up 0.9% over the past year. Over the past 52 weeks it has traded between $308.27 and $375.27.
Prices are daily closing prices from Yahoo Finance and may be delayed. For the live quote, check your broker or Aon plc's investor relations page. Walnut is informational, not investment advice.
What does Aon plc (AON) do?
Aon plc is one of the world's leading brokers and professional-services firms in risk and human capital. It arranges insurance and reinsurance for corporate clients, advises on risk management and analytics, and provides health, benefits, retirement, and talent consulting. The company organizes its work around two broad solution lines, Risk Capital (commercial risk and reinsurance brokerage and related advisory) and Human Capital (health, benefits, wealth, and talent). Crucially, Aon is an intermediary and advisor: it earns commissions and fees rather than underwriting insurance itself, so it does not carry the catastrophe-loss risk that insurers do, which gives its revenue a recurring, relatively defensive quality.
Aon's model is built on steady organic growth plus operating leverage. In recent results, including Q1 2026, the company has posted mid-single-digit organic revenue growth, rising earnings per share, and margin expansion driven by its Accelerating Aon United program, which pushes the firm to sell across its capabilities and operate more efficiently. A major strategic move was the 2024 acquisition of NFP, which extended Aon into the middle-market insurance and benefits space and broadened its client base; integrating NFP and growing revenue-generating talent are ongoing priorities. Aon generates strong free cash flow and returns capital through buybacks and a growing dividend. The trade-off for this consistency is valuation: Aon typically trades at a premium multiple to the broader market and to some brokerage peers, so the debate is less about business quality and more about how much to pay for a dependable compounder.
What's driving Aon plc (AON)?
1. Steady organic growth
Aon's core appeal is consistent mid-single-digit organic revenue growth across insurance brokerage, reinsurance, and human-capital consulting. Because clients renew coverage and advice every year, revenue is recurring and less tied to economic cycles than many financials. Sustaining that organic growth through new business, retention, and pricing is the foundation of the long-term compounding case.
2. Margin expansion and Aon United
The Accelerating Aon United program drives cross-selling across the firm's capabilities and greater operating efficiency, producing durable operating-margin expansion. Management has guided to continued basis-point margin gains, which lift earnings faster than revenue. Delivering that operating leverage year after year is a key part of why Aon commands a premium valuation.
3. NFP acquisition and middle market
The 2024 acquisition of NFP extended Aon into the middle-market insurance and benefits segment, broadening its addressable client base beyond large corporations. Integrating NFP, retaining its producers, and growing revenue-generating talent (guided to grow several percent) expand Aon's reach. How well the deal compounds into organic growth is an important swing factor for the next few years.
4. Free cash flow and capital returns
Aon is a capital-light, cash-generative business that returns substantial cash to shareholders through buybacks and a steadily growing dividend. Strong free cash flow funds both reinvestment and shareholder returns without heavy balance-sheet risk. This capital-return discipline, combined with recurring revenue, is central to Aon's identity as a defensive financial compounder.
What are the risks to Aon plc (AON)?
The most discussed risk is valuation: Aon trades at a premium multiple, so disappointing organic growth, margin, or integration results could compress its multiple even if the business remains sound. Insurance-brokerage revenue is tied to commercial insurance pricing (the property-and-casualty rate cycle) and to client business volumes, so a soft market or weaker economy could slow growth. Integrating NFP carries execution and talent-retention risk, and acquisitions add goodwill and debt. As a global firm, Aon faces currency swings, regulatory and litigation exposure across many jurisdictions, and competition for producers from rivals and private-equity-backed brokers. Rising interest expense on its debt and any loss of key client relationships would also pressure results. None of these are catastrophe-underwriting risks, but they can still slow a premium compounder.
How is Aon plc (AON) valued? (approximate, Jul 2026)
A simple financial snapshot. These are approximations and refresh quarterly; for current figures see Aon plc's investor relations page or your broker.
- Revenue trend: Mid-single-digit organic revenue growth, with total revenue boosted by the NFP acquisition
- Earnings direction: Rising earnings per share in 2026, supported by margin expansion and buybacks
- Margins: Adjusted operating margins in the low-30s percent, with guidance for continued basis-point expansion
- Business model: Fee-and-commission broker and advisor; does not underwrite insurance, so revenue is recurring and defensive
- Capital returns: Strong free cash flow funding a growing dividend and ongoing share buybacks
- Valuation lens: Trades at a premium multiple to the market and some brokerage peers, reflecting its consistency
These figures are approximate and tied to the asOf date; verify live numbers before acting. Aon is valued as a high-quality compounder, so its premium multiple reflects durable organic growth and margin expansion rather than cheapness. The key question for most investors is whether that consistency justifies the price, and whether NFP integration and organic growth keep supporting the multiple.
Who competes with Aon plc (AON)?
Large global insurance brokers
Marsh McLennan (MMC), Arthur J. Gallagher (AJG), and Willis Towers Watson (WTW) are Aon's closest global peers in commercial insurance brokerage, reinsurance, and consulting. Aon and Marsh McLennan are typically viewed as the two largest, and these firms compete for the same corporate clients, producers, and reinsurance flows worldwide.
Middle-market and consolidator brokers
In the middle market that Aon entered more deeply through NFP, it competes with fast-growing consolidators like Brown & Brown and numerous private-equity-backed brokerage rollups. These players compete aggressively for smaller commercial accounts and for the producers who bring client relationships, making talent retention a competitive battleground.
Human-capital and benefits advisors
In its Human Capital business, Aon competes with benefits and retirement consultants such as Willis Towers Watson, Mercer (part of Marsh McLennan), and specialized HR and actuarial advisory firms. This side of the business competes on analytics, benefits design, and talent and retirement expertise rather than insurance placement alone.
How to invest in Aon plc (AON)
There are three common ways to get AON exposure. Buy shares (or fractional shares) directly at any major broker. Hold an ETF that includes it, which spreads the position across many companies. Or build it into a focused thematic basket, so AON sits alongside other stocks that express the same thesis.
Walnut takes the basket route. Describe a thesis where AON fits (for example “AI infrastructure” or “dividend-growth large-caps”) and the AI proposes 5 to 6 constituents with target weights. You review the plan and fund it through your own broker when you're ready.
The bottom line on Aon plc (AON)
Aon is a high-quality, fee-based global broker and advisor with steady organic growth, expanding margins, and the NFP acquisition extending its reach into the middle market. It rewards durable compounding but trades at a premium valuation, so the question is how much you value consistency versus the price you pay for it.
Build a basket around AON with Walnut
Use Aon plc as one constituent in a thematic basket Walnut's AI helps you assemble. Describe a thesis you believe in, the AI proposes the holdings and weights, and you approve before any broker order.
FAQ
Is AON a good stock to buy right now?
+
That depends on your goals, time horizon, and risk tolerance, and this is not investment advice. The bull case is steady organic growth, expanding margins, strong free cash flow, and the NFP acquisition broadening its reach. The bear case is a premium valuation that leaves little room for disappointment, plus integration and insurance-pricing-cycle risk. Weigh the consistency against the price you would pay for it.
What does Aon actually do?
+
Aon is a global professional-services firm in risk and human capital. It brokers insurance and reinsurance, advises companies on risk management and analytics, and consults on health, benefits, retirement, and talent. It earns commissions and fees as an intermediary and advisor rather than underwriting insurance itself, so it helps clients manage risk without taking the underwriting losses onto its own balance sheet.
Is Aon an insurance company?
+
Not in the underwriting sense. Aon is an insurance and reinsurance broker and advisor, meaning it arranges coverage between clients and insurers and earns commissions and fees, but it does not take on catastrophe or claims risk the way an insurer does. That distinction is why Aon's revenue is considered recurring and relatively defensive compared with insurers that carry underwriting risk.
Does Aon pay a dividend?
+
Yes, Aon pays a dividend and has a long record of raising it, funded by strong and recurring free cash flow. It also returns significant capital through share buybacks. The dividend yield tends to be modest because Aon is valued as a growth compounder, so total return comes more from earnings growth and buybacks than income. Always check the latest declared dividend before assuming any payout.
What was the NFP acquisition about?
+
Aon acquired NFP in 2024 to expand into the middle-market insurance, benefits, and wealth-advisory space, broadening its client base beyond large corporations. The deal added producers and relationships in a fast-growing segment. Its value depends on integrating NFP smoothly, retaining its talent, and converting the acquisition into durable organic growth over the following years.
Why does Aon trade at such a high valuation?
+
Aon commands a premium multiple because investors prize its recurring, fee-based revenue, consistent organic growth, expanding margins, and strong free cash flow, which together make it a dependable compounder with limited balance-sheet risk. The trade-off is that a premium valuation leaves less room for error, so any slowdown in growth or margins can weigh on the shares more than for a cheaper stock.
How can I get exposure to Aon through an ETF?
+
AON appears in many broad market, financials, and insurance ETFs, where it sits among insurance-brokerage and professional-services names. ETF exposure spreads single-stock risk across many holdings but dilutes how much any Aon move affects you. Always check a fund's holdings and weighting before assuming meaningful exposure to Aon specifically.
What are the main risks of investing in AON?
+
The most cited risk is a premium valuation that can compress if organic growth, margins, or NFP integration disappoint. Brokerage revenue is tied to commercial insurance pricing and client business volumes, so a soft market or weak economy could slow growth. Currency swings, litigation and regulation across many countries, competition for producers, and interest costs on debt add further risk, though Aon avoids insurers' underwriting losses.
Walnut is informational, not investment advice. Financial figures on this page are approximations; always verify current numbers with Aon plc's investor relations page or your broker before making investment decisions.