Description of Marsh And Mclennan Companies Inc's Business Segments

The registrant's reportable operating business segments consist of Risk and Insurance Services and Consulting. In 2025, the Risk and Insurance Services segment generated $17.3 billion in revenue and $4.6 billion in operating income. Within this segment, Marsh Risk reported $14.4 billion in revenue, and Guy Carpenter reported $2.5 billion in revenue. The Consulting segment recorded $9.8 billion in revenue and $1.9 billion in operating income in 2025. Within Consulting, Mercer generated $6.2 billion in revenue, and Marsh Management Consulting generated $3.6 billion in revenue.

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Composition of Marsh and Mclennan Companies Inc Revenues by Segments


Corporate Eliminations	-0.16 %	of total Revenue
Risk and Insurance Services	66.39 %	of total Revenue
Risk and Insurance Services Subtotal	65.27 %	of total Revenue
Risk and Insurance Services Marsh Risk	49.71 %	of total Revenue
Risk and Insurance Services Guy Carpenter	16.68 %	of total Revenue
Risk and Insurance Services Total International	22.52 %	of total Revenue
Risk and Insurance Services EMEA	15.88 %	of total Revenue
Risk and Insurance Services Asia Pacific	4.85 %	of total Revenue
Risk and Insurance Services Latin America	1.79 %	of total Revenue
Risk and Insurance Services U S Canada	26.46 %	of total Revenue
Consulting	33.62 %	of total Revenue
Consulting Wealth	9.88 %	of total Revenue
Consulting Health	8.69 %	of total Revenue
Consulting Career	3.26 %	of total Revenue
Consulting Mercer	21.83 %	of total Revenue
Consulting Marsh Management Consulting	11.79 %	of total Revenue
InterEliminations Consulting	0.16 %	of total Revenue

Q1 three months ended (Mar 31 2026)
Revenues by Business Segments	Revenues (in millions $)	% (of total Revenues)
Corporate Eliminations	-12.00	-0.16 %
Risk and Insurance Services	5,051.00	66.39 %
Risk and Insurance Services Subtotal	4,966.00	65.27 %
Risk and Insurance Services Marsh Risk	3,782.00	49.71 %
Risk and Insurance Services Guy Carpenter	1,269.00	16.68 %
Risk and Insurance Services Total International	1,713.00	22.52 %
Risk and Insurance Services EMEA	1,208.00	15.88 %
Risk and Insurance Services Asia Pacific	369.00	4.85 %
Risk and Insurance Services Latin America	136.00	1.79 %
Risk and Insurance Services U S Canada	2,013.00	26.46 %
Consulting	2,558.00	33.62 %
Consulting Wealth	752.00	9.88 %
Consulting Health	661.00	8.69 %
Consulting Career	248.00	3.26 %
Consulting Mercer	1,661.00	21.83 %
Consulting Marsh Management Consulting	897.00	11.79 %
InterEliminations Consulting	12.00	0.16 %
Total	7,608.00	100 %

Q1 three months ended (Mar 31 2026)
Revenue Growth rates by Segment	Y/Y Revenue %	Q/Q Revenue %
Corporate Eliminations	-	-
Risk and Insurance Services	6.07 %	-
Risk and Insurance Services Subtotal	6.59 %	-
Risk and Insurance Services Marsh Risk	7.44 %	-
Risk and Insurance Services Guy Carpenter	2.17 %	-
Risk and Insurance Services Total International	12.85 %	-
Risk and Insurance Services EMEA	14.07 %	-
Risk and Insurance Services Asia Pacific	10.15 %	-
Risk and Insurance Services Latin America	9.68 %	-
Risk and Insurance Services U S Canada	4.03 %	-
Consulting	10.54 %	-
Consulting Wealth	12.24 %	-
Consulting Health	8.72 %	-
Consulting Career	13.76 %	-
Consulting Mercer	11.03 %	-
Consulting Marsh Management Consulting	9.66 %	-
InterEliminations Consulting	-20 %	-
Total	-	-71.85 %

Q1 three months ended (Mar 31 2026)
Income by Business Segments	Income (in millions $)	% (Profit Margin)
Risk and Insurance Services	1,311.00	25.96 %
Consulting	525.00	20.52 %
Total	1,186.00	15.59 %

Q1 three months ended (Mar 31 2026)
Income Growth rates by Segment	Y/Y Income %	Q/Q Income %
Risk and Insurance Services	-18.72 %	-
Consulting	15.13 %	-
Total	-	-71.99 %

Annual Report on Marsh and Mclennan Companies Inc Divisions, Sales by Country


Corporate Eliminations	-0.29 %	of total Revenue
Risk and Insurance Services	63.88 %	of total Revenue
Risk and Insurance Services Total International	21.62 %	of total Revenue
Risk and Insurance Services EMEA	14.1 %	of total Revenue
Risk and Insurance Services Asia Pacific	5.4 %	of total Revenue
Risk and Insurance Services Latin America	2.11 %	of total Revenue
Risk and Insurance Services U S Canada	31.53 %	of total Revenue
Consulting	36.24 %	of total Revenue
Consulting Wealth	10.43 %	of total Revenue
Consulting Health	8.45 %	of total Revenue
Consulting Career	4.02 %	of total Revenue
Consulting Marsh Management Consulting	13.33 %	of total Revenue
Consulting Mercer Consulting Group	22.9 %	of total Revenue
Risk and Insurance Services Marsh Guy Carpenter	62.38 %	of total Revenue
Risk and Insurance Services Marsh Insurance Group	54.13 %	of total Revenue
Risk and Insurance Services Guy Carpenter Reinsurance Group	9.75 %	of total Revenue
Inter-Consulting	0.27 %	of total Revenue

Twelve months ended 2025
MRSH s Annual Revenue by Geography and Business Segments	Sales (in millions $)	% (of total Sales)
Corporate Eliminations	-78.00	-0.29 %
Risk and Insurance Services	17,265.00	63.88 %
Risk and Insurance Services Total International	5,843.00	21.62 %
Risk and Insurance Services EMEA	3,812.00	14.1 %
Risk and Insurance Services Asia Pacific	1,460.00	5.4 %
Risk and Insurance Services Latin America	571.00	2.11 %
Risk and Insurance Services U S Canada	8,523.00	31.53 %
Consulting	9,794.00	36.24 %
Consulting Wealth	2,819.00	10.43 %
Consulting Health	2,284.00	8.45 %
Consulting Career	1,087.00	4.02 %
Consulting Marsh Management Consulting	3,604.00	13.33 %
Total	27,029.00	100 %
Consulting Mercer Consulting Group	6,190.00	22.9 %
Risk and Insurance Services Marsh Guy Carpenter	16,862.00	62.38 %
Risk and Insurance Services Marsh Insurance Group	14,630.00	54.13 %
Risk and Insurance Services Guy Carpenter Reinsurance Group	2,635.00	9.75 %
Inter-Consulting	73.00	0.27 %

Twelve months ended 2025
MRSH s Annual Income by Country and Business Segments	Income (in millions $)	% (Profit Margin)
Risk and Insurance Services	4,636.00	26.85 %
Consulting	1,896.00	19.36 %
Total	4,234.00	15.66 %

Twelve months ended 2025
Annual Revenue and Income Growth by Country and Business Segments	% Y/Y Sales Growth	% Y/Y Income Growth
Corporate Eliminations	-	-
Risk and Insurance Services	12.15 %	6.21 %
Risk and Insurance Services Total International	5.87 %	-
Risk and Insurance Services EMEA	7.99 %	-
Risk and Insurance Services Asia Pacific	3.25 %	-
Risk and Insurance Services Latin America	-0.7 %	-
Risk and Insurance Services U S Canada	21.46 %	-
Consulting	7.24 %	7.12 %
Consulting Wealth	9.09 %	-
Consulting Health	8.76 %	-
Consulting Career	2.64 %	-
Consulting Marsh Management Consulting	6.31 %	-
Consulting Mercer Consulting Group	7.78 %	-
Risk and Insurance Services Marsh Guy Carpenter	13.18 %	-
Risk and Insurance Services Marsh Insurance Group	13.84 %	-
Risk and Insurance Services Guy Carpenter Reinsurance Group	3.58 %	-
Inter-Consulting	21.67 %	-
Mc Griff Insurance Services L L C	-	-

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