ALIT vs AON vs MMC vs WTW vs AJG

For growth investors, Arthur J.

Gallagher & Co. (AJG) is the stronger pick with 20. 7% revenue growth year-over-year, versus -3. 0% for Alight, Inc. (ALIT). Willis Towers Watson Public Limited Company (WTW) offers the better valuation at 15. 9x trailing P/E (13. 2x forward), making it the more compelling value choice. Analysts rate Alight, Inc. (ALIT) a "Buy" — based on 10 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Willis Towers Watson Public Limited Company (WTW) is the cheapest at 15.

9x versus Arthur J. Gallagher & Co. at 35. 1x. On forward P/E, Alight, Inc. is actually cheaper at 3. 0x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Willis Towers Watson Public Limited Company wins at 0. 81x versus Arthur J. Gallagher & Co. 's 2. 35x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Arthur J.

Gallagher & Co. (AJG) delivered a total return of +41. 1%, compared to -89. 4% for Alight, Inc. (ALIT). Over 10 years, the gap is even starker: AJG returned +372. 4% versus ALIT's -89. 7%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Arthur J.

Gallagher & Co. (AJG) is the lower-risk stock at 0. 09β versus Alight, Inc. 's 1. 31β — meaning ALIT is approximately 1410% more volatile than AJG relative to the S&P 500. On balance sheet safety, Arthur J. Gallagher & Co. (AJG) carries a lower debt/equity ratio of 60% versus 192% for Alight, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Arthur J.

Gallagher & Co. (AJG) is pulling ahead at 20. 7% versus -3. 0% for Alight, Inc. (ALIT). On earnings-per-share growth, the picture is similar: Willis Towers Watson Public Limited Company grew EPS 1794% year-over-year, compared to -1924. 1% for Alight, Inc.. Over a 3-year CAGR, AJG leads at 17. 7% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Aon plc (AON) is the more profitable company, earning 21.

5% net margin versus -136. 9% for Alight, Inc. — meaning it keeps 21. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: AON leads at 25. 3% versus 1. 5% for ALIT. At the gross margin level — before operating expenses — AJG leads at 54. 8%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Willis Towers Watson Public Limited Company (WTW) is the more undervalued stock at a PEG of 0. 81x versus Arthur J. Gallagher & Co. 's 2. 35x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Alight, Inc. (ALIT) trades at 3. 0x forward P/E versus 16. 9x for Marsh & McLennan Companies, Inc. — 13. 9x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ALIT: 331. 9% to $3. 75.

All stocks in this comparison pay dividends.

Alight, Inc. (ALIT) offers the highest yield at 18. 8%, versus 0. 9% for Aon plc (AON).

For long-horizon retirement investors, Arthur J.

Gallagher & Co. (AJG) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 09), 1. 3% yield, +372. 4% 10Y return). Both have compounded well over 10 years (AJG: +372. 4%, ALIT: -89. 7%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (ALIT (Technology) and AON (Financial Services) and MMC (Financial Services) and WTW (Financial Services) and AJG (Financial Services)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: ALIT is a small-cap income-oriented stock; AON is a mid-cap quality compounder stock; MMC is a mid-cap quality compounder stock; WTW is a mid-cap deep-value stock; AJG is a mid-cap high-growth stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.