AJG
Price
$227.25
Change
+$1.14 (+0.50%)
Updated
Oct 5, 04:59 PM (EDT)
Capitalization
58.82B
17 days until earnings call
Intraday BUY SELL Signals
MRSH
Price
$170.46
Change
+$0.40 (+0.24%)
Updated
Oct 5, 04:59 PM (EDT)
Capitalization
80.66B
10 days until earnings call
Intraday BUY SELL Signals
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AJG vs MRSH

AJG vs MRSH Comparison Chart in %
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A.I.Advisor
Sep 28, 2026

Which Stock Would AI Choose? Arthur J. Gallagher (AJG) vs. Marsh & McLennan (MRSH) Stock Comparison

Key Takeaways

  • Business mix differs: AJG is weighted toward insurance brokerage and risk management, while MRSH adds a substantial consulting arm (Mercer and Oliver Wyman).
  • Growth drivers diverge: AJG leans heavily on acquisitions such as AssuredPartners, whereas MRSH emphasizes diversified organic growth and consulting momentum.
  • Both face pricing headwinds: Softening property rates and lower fiduciary interest income have pressured both stocks in recent market activity.
  • Capital returns favor MRSH: Marsh & McLennan has raised its dividend for 17 consecutive years and deploys significant buybacks.
  • Valuation and leverage vary: MRSH carries a larger debt load, while AJG commands a premium earnings multiple tied to its M&A-driven growth story.
  • Relative performance has been mixed: Both names have lagged broader benchmarks over the past year despite resilient underlying fundamentals.

Introduction

Arthur J. Gallagher & Co. and Marsh & McLennan Companies are two of the largest insurance brokerage and risk advisory franchises in the world, yet they pursue meaningfully different strategies. Comparing them side by side offers investors a useful lens on how business model, acquisition appetite, and diversification shape relative performance and market positioning in a shifting insurance cycle. This stock comparison is especially relevant for traders and investors seeking exposure to the professional services and insurance distribution sectors, whether they prioritize aggressive growth through mergers and acquisitions (M&A) or steadier, more diversified revenue streams across consulting and reinsurance.

AJG Overview and Recent Performance

Arthur J. Gallagher & Co. (AJG) is a global insurance brokerage and risk management firm headquartered in Rolling Meadows, Illinois. The company generates the bulk of its revenue from property and casualty (P&C) brokerage, supplemented by a fast-growing risk management segment through Gallagher Bassett, which provides claims management, loss control, and data-driven analytics.

Recent weeks have seen AJG consolidate below earlier highs, with the share price down roughly double digits over the past year amid a broader pullback in the insurance-brokerage complex. The company's results remain strong on an operational basis: first-quarter 2026 revenue rose sharply on the inclusion of the AssuredPartners acquisition, while organic brokerage growth held in the mid-single digits. Notably, Gallagher Bassett has grown at more than twice the organic rate of the brokerage unit, diversifying the revenue base beyond rate-driven commissions. Sentiment has been shaped by easing property pricing, which pressures commission revenue, and by the integration of recent large acquisitions, both of which have prompted some analysts to trim price targets while retaining constructive ratings.

MRSH Overview and Recent Performance

Marsh & McLennan Companies, Inc. (MRSH) is a diversified global professional services firm serving clients in 130 countries. Its operations span Risk & Insurance Services (Marsh and the Guy Carpenter reinsurance broker) and Consulting (Mercer and Oliver Wyman), giving it a broader revenue mix than many brokerage peers.

In recent market activity, MRSH shares have also traded below prior peaks and lagged the broader market over the trailing 52 weeks. Underlying fundamentals have remained resilient: recent quarters delivered mid-single-digit underlying revenue growth, with consulting revenue advancing at a faster clip and Marsh Management Consulting posting double-digit expansion. Adjusted earnings per share (EPS) have continued to climb, and the company raised its quarterly dividend by 10%, marking a 17th consecutive year of increases. Offsetting these positives, investors have weighed a sizable litigation charge tied to Greensill, higher operating expenses, lower fiduciary interest income, and an elevated debt balance, all of which have tempered sentiment in recent months.

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Head-to-Head Comparison

Although both companies operate in the insurance distribution and advisory space, their business models create distinct trade-offs. AJG is a more concentrated brokerage and risk-management play whose growth engine is closely tied to an aggressive, recurring M&A program; the AssuredPartners and Woodruff Sawyer deals materially expanded its scale and are now key integration stories. MRSH, by contrast, offers a more balanced mix, with consulting businesses such as Mercer and Oliver Wyman adding revenue that is less directly dependent on insurance pricing.

Growth drivers also differ. AJG's faster top-line expansion has been acquisition-led, while its organic brokerage growth has been more modest. MRSH's growth is steadier and increasingly powered by consulting and management advisory work, with its AI-related platforms contributing to productivity. On momentum, both stocks have struggled against a softer property-rate backdrop, though MRSH's diversified consulting arm has provided a degree of offset.

Risk factors warrant attention. MRSH carries a substantially larger debt load and has absorbed litigation-related charges, while AJG faces integration risk from large acquisitions and a valuation that remains elevated relative to peers. In terms of capital returns, MRSH's 17-year dividend-increase streak and heavy buyback program stand out, whereas AJG tends to prioritize reinvestment in acquisitions.

Tickeron AI Verdict

Based on observable factors such as trend consistency, relative stability, and catalyst visibility, Tickeron's AI would likely lean toward MRSH as the more balanced candidate in the current environment. Its diversified revenue base, resilient consulting momentum, and disciplined capital returns provide a steadier profile when insurance pricing softens. That said, AJG retains a compelling growth narrative driven by its acquisition strategy and faster-expanding risk management business. The outcome is probabilistic rather than definitive: AI models would weigh MRSH's stability against AJG's growth catalysts, and the favored position could shift as pricing conditions and integration milestones evolve.

Disclaimer

The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full disclaimer.

Disclaimers and Limitations

VS
AJG vs. MRSH commentary
Oct 05, 2026

To compare these two companies we present long-term analysis, their fundamental ratings and make comparative short-term technical analysis which are presented below. The conclusion is AJG is a Hold and MRSH is a Buy.

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SUMMARIES
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FUNDAMENTALS RATINGS
AJG vs MRSH: Fundamental Ratings
AJG
MRSH
OUTLOOK RATING
1..100
6216
VALUATION
overvalued / fair valued / undervalued
1..100
91
Overvalued
82
Overvalued
PROFIT vs RISK RATING
1..100
6387
SMR RATING
1..100
8037
PRICE GROWTH RATING
1..100
6270
P/E GROWTH RATING
1..100
6047
SEASONALITY SCORE
1..100
5050

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.

MRSH's Valuation (82) in the null industry is in the same range as AJG (91) in the Insurance Brokers Or Services industry. This means that MRSH’s stock grew similarly to AJG’s over the last 12 months.

AJG's Profit vs Risk Rating (63) in the Insurance Brokers Or Services industry is in the same range as MRSH (87) in the null industry. This means that AJG’s stock grew similarly to MRSH’s over the last 12 months.

MRSH's SMR Rating (37) in the null industry is somewhat better than the same rating for AJG (80) in the Insurance Brokers Or Services industry. This means that MRSH’s stock grew somewhat faster than AJG’s over the last 12 months.

AJG's Price Growth Rating (62) in the Insurance Brokers Or Services industry is in the same range as MRSH (70) in the null industry. This means that AJG’s stock grew similarly to MRSH’s over the last 12 months.

MRSH's P/E Growth Rating (47) in the null industry is in the same range as AJG (60) in the Insurance Brokers Or Services industry. This means that MRSH’s stock grew similarly to AJG’s over the last 12 months.

TECHNICAL ANALYSIS
Technical Analysis
AJGMRSH
RSI
ODDS (%)
Bullish Trend 4 days ago
73%
Bullish Trend 4 days ago
57%
Stochastic
ODDS (%)
Bullish Trend 4 days ago
71%
Bullish Trend 4 days ago
60%
Momentum
ODDS (%)
Bearish Trend 4 days ago
49%
Bearish Trend 4 days ago
43%
MACD
ODDS (%)
Bearish Trend 4 days ago
56%
Bullish Trend 4 days ago
47%
TrendWeek
ODDS (%)
Bearish Trend 4 days ago
49%
Bearish Trend 4 days ago
49%
TrendMonth
ODDS (%)
Bearish Trend 4 days ago
48%
Bearish Trend 4 days ago
47%
Advances
ODDS (%)
Bullish Trend 5 days ago
57%
Bullish Trend 5 days ago
48%
Declines
ODDS (%)
Bearish Trend 7 days ago
49%
Bearish Trend 14 days ago
43%
BollingerBands
ODDS (%)
Bullish Trend 4 days ago
72%
Bullish Trend 4 days ago
56%
Aroon
ODDS (%)
Bearish Trend 4 days ago
43%
Bearish Trend 4 days ago
41%
COMPARISON
Comparison
Oct 05, 2026
Stock price -- (AJG: $226.11 vs. MRSH: $170.06)
Brand notoriety: AJG and MRSH are both not notable
Both companies represent the Insurance Brokers/Services industry
Current volume relative to the 65-day Moving Average: AJG: 98% vs. MRSH: 124%
Market capitalization -- AJG: $58.82B vs. MRSH: $80.66B
AJG [@Insurance Brokers/Services] is valued at $58.82B. MRSH’s [@Insurance Brokers/Services] market capitalization is $80.66B. The market cap for tickers in the [@Insurance Brokers/Services] industry ranges from $3.03K to $89.51B. The average market capitalization across the [@Insurance Brokers/Services] industry is $12.78B.

Long-Term Analysis

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).

AJG’s FA Score shows that 0 FA rating(s) are green while MRSH’s FA Score has 0 green FA rating(s).

  • AJG’s FA Score: 0 green, 5 red.
  • MRSH’s FA Score: 0 green, 5 red.
According to our system of comparison, MRSH is a better buy in the long-term than AJG.

Short-Term Analysis

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.

AJG’s TA Score shows that 4 TA indicator(s) are bullish while MRSH’s TA Score has 5 bullish TA indicator(s).

  • AJG’s TA Score: 4 bullish, 6 bearish.
  • MRSH’s TA Score: 5 bullish, 5 bearish.
According to our system of comparison, MRSH is a better buy in the short-term than AJG.

Price Growth

AJG (@Insurance Brokers/Services) experienced а -2.16% price change this week, while MRSH (@Insurance Brokers/Services) price change was -0.04% for the same time period.

The average weekly price growth across all stocks in the @Insurance Brokers/Services industry was +0.63%. For the same industry, the average monthly price growth was -16.78%, and the average quarterly price growth was +3.80%.

Reported Earning Dates

AJG is expected to report earnings on Oct 22, 2026.

MRSH is expected to report earnings on Oct 15, 2026.

Industries' Descriptions

@Insurance Brokers/Services (+0.63% weekly)

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.

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AJG
Daily Signal:
Gain/Loss:
MRSH
Daily Signal:
Gain/Loss:
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AJG and

Correlation & Price change

A.I.dvisor indicates that over the last year, AJG has been closely correlated with BRO. These tickers have moved in lockstep 83% of the time. This A.I.-generated data suggests there is a high statistical probability that if AJG jumps, then BRO could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To AJG
1D Price
Change %
AJG100%
-2.46%
BRO - AJG
83%
Closely correlated
-3.01%
MRSH - AJG
78%
Closely correlated
-1.04%
AON - AJG
73%
Closely correlated
-2.36%
WTW - AJG
70%
Closely correlated
-1.03%
RYAN - AJG
59%
Loosely correlated
-1.88%
More

MRSH and

Correlation & Price change

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.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To MRSH
1D Price
Change %
MRSH100%
-1.04%
BRO - MRSH
80%
Closely correlated
-3.01%
AJG - MRSH
78%
Closely correlated
-2.46%
AON - MRSH
77%
Closely correlated
-2.36%
WTW - MRSH
66%
Loosely correlated
-1.03%
RYAN - MRSH
58%
Loosely correlated
-1.88%
More