MRSH compared with AJG: revenue, margins and what each company keeps, and the suppliers and customers both name

MRSHMarsh & McLennan Companies, Inc.

Mkt capRevenueRevenue

AJGArthur J. Gallagher & Co.

Mkt capRevenueRevenue

Compare

MRSHMarsh & McLennan Companies, Inc.

AJGArthur J. Gallagher & Co.

Price

Mkt cap

Revenue

Revenue flow Supply chain Price Co-movers Event sensitivity Earnings history

Save comparison

Co-movers

News Findings Companies A–Z Pricing Methodology Sources Corrections About Terms

Not investment advice. Not a broker-dealer. Indices shown as ETF proxies. Supply-chain data CC BY 4.0; market data not redistributable.

Listed on One’s Vibe · live-checked · Oct ’26

Desk News Calendar Saved

Co-movers

daily closes · 499dMethod ›

Moved together

MRSHwithAJG

×0.93co-movement · AJG on MRSH · 499d

r 0.76scale to r 0.75

Shared co-movers6with MRSHwith AJG

BROBrown & Brown, Inc.r 0.77r 0.81

AONAon plcr 0.75r 0.73

WTWWillis Towers Watson PLCr 0.67r 0.70

ADPAutomatic Data Processing Incr 0.59r 0.57

CBChubb Ltdr 0.59r 0.53

HIGHartford Insurance Group, Inc.r 0.59r 0.53

MRSH, solidAJG, hatched× = co-movement · βr = correlationBar = r to r 0.75Order: weaker of A and BSource: daily closes

MRSHMarsh & McLennan Companies, Inc.

204.94▼−2.14%· post 204.20

Mkt cap$99.6BRevenue$6.6BQ3 FY26Revenue$26.1BFY25

AJGArthur J. Gallagher & Co.

283.12▼−1.73%· post 281.90

ClosedNov 6 '26

Mkt cap$73.9BRevenue$3.8BQ3 FY26Revenue$13.3BFY25

Compare

ClosedNov 6 '26

MRSHMarsh & McLennan Companies, Inc.

AJGArthur J. Gallagher & Co.

204.94▼−2.14%post 204.20

Price

283.12▼−1.73%post 281.90

$99.6B

Mkt cap

$73.9B

Q3 FY26$6.6B

Revenue

$3.8BQ3 FY26

FY25$26.1B

Revenue

$13.3BFY25

MRSH204.94▼−2.14%vsAJG283.12▼−1.73%ClosedNov 6 '26