Insurance brokerage and professional-services firms occupy a unique niche: they generate largely fee-based, recurring revenue without taking underwriting risk. That makes Aon plc, Marsh (formerly Marsh & McLennan Companies), and Willis Towers Watson direct competitors and frequent peers in portfolio screening. This stock comparison is relevant to investors who want exposure to the "picks-and-shovels" layer of the insurance industry, as well as to traders evaluating relative performance and market positioning among three names with overlapping clients but different growth profiles. While all three are sensitive to the same macro forces — commercial insurance pricing, interest rates, and corporate budgets — their scale, business mix, and recent momentum create meaningful trade-offs worth examining side by side.
AON is the world's largest pure-play risk-management and insurance brokerage firm, organized around two segments: Risk Capital (commercial risk and reinsurance) and Human Capital (health and wealth). Its "Aon United" strategy and "3x3 Plan" have emphasized data analytics, middle-market expansion through the NFP acquisition, and disciplined capital management. In its most recent quarterly report, AON posted 7% organic revenue growth on total revenue of roughly $4.0 billion, while adjusted operating margin expanded by about 170 basis points to 26.3%. Adjusted EPS (earnings per share) of $3.05 beat consensus, and free cash flow rose 13% year over year. The shares responded favorably, and at least one major bank upgraded AON to Buy, citing durable organic momentum. Recent market activity has reflected confidence in AON's ability to sustain mid-single-digit growth even amid pockets of pricing pressure.
MRSH, now branded simply as "Marsh" following a January 2026 rebrand, is the largest of the three by revenue, generating roughly $27 billion annually across its Marsh Risk (broking and reinsurance via Guy Carpenter) and Marsh Management Consulting (Mercer and Oliver Wyman) divisions. The company has delivered an 18th consecutive year of adjusted margin expansion and completed the integration of McGriff, its largest-ever acquisition, while launching the "Thrive" efficiency program. For its most recent full year, Marsh reported total revenue up 10% (4% underlying), adjusted EPS up 9%, and free cash flow up 25%, supported by a record $2 billion share repurchase and a 10% dividend increase. The offset is pricing: primary commercial insurance rates declined about 4% and global property rates fell roughly 9% in the latest quarter, tempering underlying growth in risk and insurance services to around 2%. This softer rate environment is the key sentiment drag on an otherwise steady compounder.
WTW is a global advisory, broking, and solutions company with a heavier consulting tilt than its peers, split between Health, Wealth & Career (HWC) and Risk & Broking (R&B). It is the most transformed of the three, having exited its TRANZACT direct-to-consumer business in 2024 and pivoting capital toward specialty broking and retirement platforms through acquisitions such as Newfront, Cushon, and Flowstone Partners. In its latest quarter, WTW posted 6% organic growth, an 80-basis-point adjusted margin expansion, and adjusted EPS of $8.12, while full-year adjusted EPS rose about 13% excluding TRANZACT. Reported revenue declined due to the divestiture, but free cash flow climbed 22% to $1.55 billion. The market has rewarded this margin and capital-allocation discipline, though WTW's smaller scale and its exposure to a still-cautious consulting environment and Medicare-related headwinds remain points of differentiation and risk.
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Despite operating in the same arena, these three names trade on distinct narratives. AON sits in the middle on revenue scale but currently offers the most consistent organic growth and the cleanest margin-expansion story, reinforced by recent analyst upgrades. MRSH is the scale and free-cash-flow leader, with the deepest balance-sheet capacity for acquisitions and buybacks, but its larger broking exposure leaves it most sensitive to the softening P&C rate cycle. WTW is the smallest and most consulting-weighted, giving it the highest operating-margin upside but also greater exposure to discretionary corporate spending, healthcare-regulatory shifts, and integration risk from its M&A (mergers and acquisitions) agenda. On valuation, AON tends to command a premium price-to-earnings multiple reflecting its growth quality, while WTW often trades at a discount given its transformation history, and MRSH sits between them. In short: AON offers momentum and growth quality, MRSH offers scale and capital returns, and WTW offers a higher-beta margin-turnaround profile.
Based on observable factors — trend consistency, stability of earnings momentum, catalyst quality, and relative positioning — Tickeron's AI would most likely favor AON in the current environment. Its combination of accelerating organic growth, expanding margins, rising free cash flow, and fresh institutional endorsement presents the most coherent trend profile of the three. MRSH remains a highly stable, capital-return-rich candidate, but the softening pricing cycle introduces a mild near-term headwind to sentiment. WTW shows genuine operating-leverage potential, yet its smaller scale and integration-driven catalyst set make its trajectory somewhat less consistent. As with any systematic read, this reflects a probabilistic assessment of current data rather than a certainty, and relative rankings can shift as market conditions evolve.
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The RSI Indicator for AON moved out of oversold territory on October 08, 2026. This could be a sign that the stock is shifting from a downward trend to an upward trend. Traders may want to buy the stock or call options. The A.I.dvisor looked at 31 similar instances when the indicator left oversold territory. In 22 of the 31 cases the stock moved higher. This puts the odds of a move higher at 71%.
The Stochastic Oscillator suggests the stock price trend may be in a reversal from a downward trend to an upward trend. 29 of 53 cases where AON's Stochastic Oscillator exited the oversold zone resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are 55%.
The Moving Average Convergence Divergence (MACD) for AON just turned positive on October 06, 2026. Looking at past instances where AON's MACD turned positive, the stock continued to rise in 26 of 45 cases over the following month. The odds of a continued upward trend are 58%.
Following a +1.69% 3-day Advance, the price is estimated to grow further. Considering data from situations where AON advanced for three days, in 153 of 329 cases, the price rose further within the following month. The odds of a continued upward trend are 47%.
The Momentum Indicator moved below the 0 level on October 13, 2026. You may want to consider selling the stock, shorting the stock, or exploring put options on AON as a result. In 43 of 95 cases where the Momentum Indicator fell below 0, the stock fell further within the subsequent month. The odds of a continued downward trend are 45%.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where AON declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 53%.
The Aroon Indicator for AON entered a downward trend on October 13, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
The Tickeron SMR rating for this company is 23 (best 1 - 100 worst), indicating very strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Seasonality Score of 50 (best 1 - 100 worst) indicates that the company is fair valued in the industry. The Tickeron Seasonality score describes the variance of predictable price changes around the same period every calendar year. These changes can be tied to a specific month, quarter, holiday or vacation period, as well as a meteorological or growing season.
The Tickeron Price Growth Rating for this company is 64 (best 1 - 100 worst), indicating fairly steady price growth. AON’s price grows at a lower rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron Valuation Rating of 90 (best 1 - 100 worst) indicates that the company is significantly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (6.013) is normal, around the industry mean (6.334). P/E Ratio (15.000) is within average values for comparable stocks, (32.709). Projected Growth (PEG Ratio) (2.134) is also within normal values, averaging (8.322). Dividend Yield (0.012) settles around the average of (0.010) among similar stocks. P/S Ratio (3.687) is also within normal values, averaging (2.968).
The Tickeron PE Growth Rating for this company is 91 (best 1 - 100 worst), pointing to worse than average earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
The Tickeron Profit vs. Risk Rating rating for this company is 100 (best 1 - 100 worst), indicating that the returns do not compensate for the risks. AON’s unstable profits reported over time resulted in significant Drawdowns within these last five years. A stable profit reduces stock drawdown and volatility. The average Profit vs. Risk Rating rating for the industry is 89, placing this stock worse than average.
The RSI Indicator for MRSH moved out of oversold territory on September 29, 2026. This could be a sign that the stock is shifting from a downward trend to an upward trend. Traders may want to buy the stock or call options. The A.I.dvisor looked at 28 similar instances when the indicator left oversold territory. In 20 of the 28 cases the stock moved higher. This puts the odds of a move higher at 71%.
The Momentum Indicator moved above the 0 level on October 06, 2026. You may want to consider a long position or call options on MRSH as a result. In 46 of 87 past instances where the momentum indicator moved above 0, the stock continued to climb. The odds of a continued upward trend are 53%.
The Moving Average Convergence Divergence (MACD) for MRSH just turned positive on October 02, 2026. Looking at past instances where MRSH's MACD turned positive, the stock continued to rise in 27 of 51 cases over the following month. The odds of a continued upward trend are 53%.
Following a +0.71% 3-day Advance, the price is estimated to grow further. Considering data from situations where MRSH advanced for three days, in 161 of 341 cases, the price rose further within the following month. The odds of a continued upward trend are 47%.
The Stochastic Oscillator demonstrated that the ticker has stayed in the overbought zone for 4 days. The longer the ticker stays in the overbought zone, the sooner a price pull-back is expected.
MRSH moved below its 50-day moving average on September 08, 2026 date and that indicates a change from an upward trend to a downward trend.
The 10-day moving average for MRSH crossed bearishly below the 50-day moving average on September 11, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 13 of 21 past instances when the 10-day crossed below the 50-day, the stock continued to move higher over the following month. The odds of a continued downward trend are 62%.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where MRSH declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 43%.
MRSH broke above its upper Bollinger Band on October 08, 2026. This could be a sign that the stock is set to drop as the stock moves back below the upper band and toward the middle band. You may want to consider selling the stock or exploring put options.
The Aroon Indicator for MRSH entered a downward trend on October 08, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
The Tickeron SMR rating for this company is 37 (best 1 - 100 worst), indicating strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron PE Growth Rating for this company is 47 (best 1 - 100 worst), pointing to consistent earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
The Tickeron Seasonality Score of 50 (best 1 - 100 worst) indicates that the company is fair valued in the industry. The Tickeron Seasonality score describes the variance of predictable price changes around the same period every calendar year. These changes can be tied to a specific month, quarter, holiday or vacation period, as well as a meteorological or growing season.
The Tickeron Price Growth Rating for this company is 55 (best 1 - 100 worst), indicating steady price growth. MRSH’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron Profit vs. Risk Rating rating for this company is 81 (best 1 - 100 worst), indicating that the returns do not compensate for the risks. MRSH’s unstable profits reported over time resulted in significant Drawdowns within these last five years. A stable profit reduces stock drawdown and volatility. The average Profit vs. Risk Rating rating for the industry is 89, placing this stock better than average.
The Tickeron Valuation Rating of 82 (best 1 - 100 worst) indicates that the company is slightly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (5.313) is normal, around the industry mean (6.334). P/E Ratio (20.639) is within average values for comparable stocks, (32.709). Projected Growth (PEG Ratio) (1.486) is also within normal values, averaging (8.322). Dividend Yield (0.022) settles around the average of (0.010) among similar stocks. P/S Ratio (3.089) is also within normal values, averaging (2.968).
The Moving Average Convergence Divergence (MACD) for WTW turned positive on October 08, 2026. Looking at past instances where WTW's MACD turned positive, the stock continued to rise in 25 of 48 cases over the following month. The odds of a continued upward trend are 52%.
The RSI Indicator points to a transition from a downward trend to an upward trend -- in cases where WTW's RSI Indicator exited the oversold zone, 11 of 22 resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are 50%.
The Momentum Indicator moved above the 0 level on October 08, 2026. You may want to consider a long position or call options on WTW as a result. In 51 of 107 past instances where the momentum indicator moved above 0, the stock continued to climb. The odds of a continued upward trend are 48%.
Following a +1.39% 3-day Advance, the price is estimated to grow further. Considering data from situations where WTW advanced for three days, in 143 of 307 cases, the price rose further within the following month. The odds of a continued upward trend are 47%.
WTW may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
The Stochastic Oscillator has been in the overbought zone for 1 day. Expect a price pull-back in the near future.
WTW moved below its 50-day moving average on September 16, 2026 date and that indicates a change from an upward trend to a downward trend.
The 10-day moving average for WTW crossed bearishly below the 50-day moving average on September 17, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 1 of 13 past instances when the 10-day crossed below the 50-day, the stock continued to move higher over the following month. The odds of a continued downward trend are 8%.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where WTW declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 50%.
The Aroon Indicator for WTW entered a downward trend on October 13, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
The Tickeron Seasonality Score of 39 (best 1 - 100 worst) indicates that the company is fair valued in the industry. The Tickeron Seasonality score describes the variance of predictable price changes around the same period every calendar year. These changes can be tied to a specific month, quarter, holiday or vacation period, as well as a meteorological or growing season.
The Tickeron SMR rating for this company is 47 (best 1 - 100 worst), indicating strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Price Growth Rating for this company is 56 (best 1 - 100 worst), indicating steady price growth. WTW’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron Profit vs. Risk Rating rating for this company is 57 (best 1 - 100 worst), indicating well-balanced risk and returns. The average Profit vs. Risk Rating rating for the industry is 89, placing this stock slightly better than average.
The Tickeron Valuation Rating of 79 (best 1 - 100 worst) indicates that the company is slightly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (3.529) is normal, around the industry mean (6.334). P/E Ratio (18.084) is within average values for comparable stocks, (32.709). Projected Growth (PEG Ratio) (1.265) is also within normal values, averaging (8.322). Dividend Yield (0.013) settles around the average of (0.010) among similar stocks. P/S Ratio (2.990) is also within normal values, averaging (2.968).
The Tickeron PE Growth Rating for this company is 100 (best 1 - 100 worst), pointing to worse than average earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
AON | MRSH | WTW | ||
|---|---|---|---|---|
OUTLOOK RATING 1..100 | 6 | 34 | 56 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 90 Overvalued | 82 Overvalued | 79 Overvalued | |
PROFIT vs RISK RATING 1..100 | 100 | 81 | 57 | |
SMR RATING 1..100 | 23 | 37 | 47 | |
PRICE GROWTH RATING 1..100 | 64 | 55 | 56 | |
P/E GROWTH RATING 1..100 | 91 | 47 | 100 | |
SEASONALITY SCORE 1..100 | 50 | 50 | 39 |
Tickeron ratings are formulated such that a rating of 1 designates the most successful stocks in a given industry, while a rating of 100 points to the least successful stocks for that industry.
WTW's Valuation (79) in the Other Consumer Services industry is in the same range as MRSH (82) in the null industry, and is in the same range as AON (90) in the Insurance Brokers Or Services industry. This means that WTW's stock grew similarly to MRSH’s and similarly to AON’s over the last 12 months.
WTW's Profit vs Risk Rating (57) in the Other Consumer Services industry is in the same range as MRSH (81) in the null industry, and is somewhat better than the same rating for AON (100) in the Insurance Brokers Or Services industry. This means that WTW's stock grew similarly to MRSH’s and somewhat faster than AON’s over the last 12 months.
AON's SMR Rating (23) in the Insurance Brokers Or Services industry is in the same range as MRSH (37) in the null industry, and is in the same range as WTW (47) in the Other Consumer Services industry. This means that AON's stock grew similarly to MRSH’s and similarly to WTW’s over the last 12 months.
MRSH's Price Growth Rating (55) in the null industry is in the same range as WTW (56) in the Other Consumer Services industry, and is in the same range as AON (64) in the Insurance Brokers Or Services industry. This means that MRSH's stock grew similarly to WTW’s and similarly to AON’s over the last 12 months.
MRSH's P/E Growth Rating (47) in the null industry is somewhat better than the same rating for AON (91) in the Insurance Brokers Or Services industry, and is somewhat better than the same rating for WTW (100) in the Other Consumer Services industry. This means that MRSH's stock grew somewhat faster than AON’s and somewhat faster than WTW’s over the last 12 months.
| AON | MRSH | WTW | |
|---|---|---|---|
| RSI ODDS (%) | 2 days ago 71% | 2 days ago 71% | 2 days ago 50% |
| Stochastic ODDS (%) | 2 days ago 55% | 2 days ago 52% | 2 days ago 44% |
| Momentum ODDS (%) | 2 days ago 45% | 2 days ago 53% | 2 days ago 48% |
| MACD ODDS (%) | 2 days ago 58% | 2 days ago 53% | 2 days ago 52% |
| TrendWeek ODDS (%) | 2 days ago 53% | 2 days ago 48% | 2 days ago 50% |
| TrendMonth ODDS (%) | 2 days ago 51% | 2 days ago 44% | 2 days ago 50% |
| Advances ODDS (%) | 9 days ago 47% | 2 days ago 47% | 14 days ago 47% |
| Declines ODDS (%) | 13 days ago 53% | 23 days ago 43% | 10 days ago 50% |
| BollingerBands ODDS (%) | N/A | 2 days ago 48% | 7 days ago 48% |
| Aroon ODDS (%) | 2 days ago 49% | 2 days ago 41% | 2 days ago 35% |
It is best to consider a long-term outlook for a ticker by using Fundamental Analysis (FA) ratings. The rating of 1 to 100, where 1 is best and 100 is worst, is divided into thirds. The first third (a green rating of 1-33) indicates that the ticker is undervalued; the second third (a grey number between 34 and 66) means that the ticker is valued fairly; and the last third (red number of 67 to 100) reflects that the ticker is overvalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).
AON’s FA Score shows that 1 FA rating(s) are green while MRSH’s FA Score has 0 green FA rating(s), and WTW’s FA Score reflects 0 green FA rating(s).
It is best to consider a short-term outlook for a ticker by using Technical Analysis (TA) indicators. We use Odds of Success as the percentage of outcomes which confirm successful trade signals in the past.
If the Odds of Success (the likelihood of the continuation of a trend) for each indicator are greater than 50%, then the generated signal is confirmed. A green percentage from 90% to 51% indicates that the ticker is in a bullish trend. A red percentage from 90% - 51% indicates that the ticker is in a bearish trend. All grey percentages are below 50% and are considered not to confirm the trend signal.
AON’s TA Score shows that 4 TA indicator(s) are bullish while MRSH’s TA Score has 4 bullish TA indicator(s), and WTW’s TA Score reflects 5 bullish TA indicator(s).
AON (@Insurance Brokers/Services) experienced а +0.26% price change this week, while MRSH (@Insurance Brokers/Services) price change was +3.07% , and WTW (@Insurance Brokers/Services) price fluctuated +1.74% for the same time period.
The average weekly price growth across all stocks in the @Insurance Brokers/Services industry was -4.00%. For the same industry, the average monthly price growth was -14.20%, and the average quarterly price growth was -3.02%.
AON is expected to report earnings on Oct 23, 2026.
MRSH is expected to report earnings on Oct 15, 2026.
WTW is expected to report earnings on Oct 22, 2026.
Insurance brokers sell, solicit, or negotiate insurance for compensation. General insurance brokers mostly cater to insurances on car, house etc. (versus life). Brokers are also often instrumental in helping small employers find health insurance, particularly in more competitive markets. Additionally, brokers may also provide risk assessments, insurance consulting services, insurance-related regulatory and legislative update services. Some of the major names in this industry include Marsh & McLennan Companies, Inc., Aon plc and Verisk Analytics Inc.
A.I.dvisor indicates that over the last year, AON has been closely correlated with MRSH. These tickers have moved in lockstep 77% of the time. This A.I.-generated data suggests there is a high statistical probability that if AON jumps, then MRSH could also see price increases.
| Ticker / NAME | Correlation To AON | 1D Price Change % | ||
|---|---|---|---|---|
| AON | 100% | -0.03% | ||
| MRSH - AON | 77% Closely correlated | +0.27% | ||
| AJG - AON | 75% Closely correlated | -0.44% | ||
| BRO - AON | 72% Closely correlated | +0.63% | ||
| WTW - AON | 69% Closely correlated | -0.46% | ||
| RYAN - AON | 59% Loosely correlated | +1.61% | ||
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A.I.dvisor indicates that over the last year, MRSH has been closely correlated with BRO. These tickers have moved in lockstep 80% of the time. This A.I.-generated data suggests there is a high statistical probability that if MRSH jumps, then BRO could also see price increases.
| Ticker / NAME | Correlation To MRSH | 1D Price Change % | ||
|---|---|---|---|---|
| MRSH | 100% | +0.27% | ||
| BRO - MRSH | 80% Closely correlated | +0.63% | ||
| AJG - MRSH | 79% Closely correlated | -0.44% | ||
| AON - MRSH | 77% Closely correlated | -0.03% | ||
| WTW - MRSH | 65% Loosely correlated | -0.46% | ||
| RYAN - MRSH | 58% Loosely correlated | +1.61% | ||
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