Aecom vs Aon PLC — how do they compare? Aecom trades at $66.76 (market cap $9.42B), while Aon PLC trades at $356.48 (market cap $75.72B). The key difference: Aon PLC is far larger — about 8× Aecom's market cap, and Aecom pays the higher dividend (1.62%). Which is the better fit depends on your goals.
| ACM | AON | |
|---|---|---|
Market Cap | $9.42B | $75.72B |
Sector | Industrials | Financials |
52-Week High | $134.35 | $381.26 |
52-Week Low | $66.86 | $308.22 |
Enterprise Value | $11.60B | $90.33B |
Dividend Yield | 1.62% | 0.92% |
Signals from Pluang's Aura AI — not financial advice
ACM trades at $75.84, up 1.21% daily, with a bullish technical signal from moving averages and ADX indicators. Recent Q2 2026 earnings missed expectations with a loss of $0.50 per share, though revenue trends remain stable near $16 billion annually. The company secured new infrastructure projects in Australia and Portugal, supporting a record backlog. Valuation metrics show a P/E of 15.83 and P/S of 0.63, below sector averages, indicating potential undervaluation.
Outlook is mixed: strong analyst consensus (64% buy) and a $99.20 price target suggest 31% upside, but Q2 miss and rising debt-to-asset ratio (22.61% in 2025) pose risks. Investors should weigh robust contract wins against earnings volatility and macroeconomic pressures on infrastructure spending.
AON trades at $358.3, down 0.68% on the day, with a neutral technical signal. The company reported strong Q2 2026 earnings, beating EPS estimates with $3.81 versus $3.8 expected, driven by 5% organic revenue growth. Valuation metrics include a P/E of 19.75 and P/S of 4.39, while profitability remains robust with a net income margin of 22.27% and ROE of 44.88%. Recent news highlights institutional buying and a new executive appointment.
The outlook is positive with a consensus price target of $410, implying 14% upside, supported by earnings momentum and solid cash flow. Risks include premium valuation concerns and modest organic growth. Analyst sentiment is balanced with 47% buy ratings, but high debt levels and competitive pressures warrant caution for investors.
Trailing returns across standard periods
Latest headlines on both assets
Aecom is one of the largest global providers of design, engineering, construction, and management services. The firm serves a broad spectrum of end markets including infrastructure, water, transportation, and energy. Based in Los Angeles, Aecom has a presence in over 150 countries and employs 51,000. The company generated $13.3 billion in sales and $701 million in adjusted operating income in fiscal 2021.
Read more on ACM →Aon is a leading global provider of insurance and reinsurance brokerage and human resource solutions. Its operations are tilted toward its brokerage operations. Headquartered in London, Aon has about 50,000 employees and operations in 120 countries around the world.
Read more on AON →