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<SEC-DOCUMENT>0000766524-06-000081.txt : 20060213
<SEC-HEADER>0000766524-06-000081.hdr.sgml : 20060213
<ACCEPTANCE-DATETIME>20060213090032
ACCESSION NUMBER:		0000766524-06-000081
CONFORMED SUBMISSION TYPE:	13F-NT
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20051231
FILED AS OF DATE:		20060213
DATE AS OF CHANGE:		20060213
EFFECTIVENESS DATE:		20060213

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MARSH & MCLENNAN COMPANIES, INC.
		CENTRAL INDEX KEY:			0000062709
		STANDARD INDUSTRIAL CLASSIFICATION:	INSURANCE AGENTS BROKERS & SERVICES [6411]
		IRS NUMBER:				362668272
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		13F-NT
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-00093
		FILM NUMBER:		06600914

	BUSINESS ADDRESS:	
		STREET 1:		1166 AVENUE OF THE AMERICAS
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		2123455000

	MAIL ADDRESS:	
		STREET 1:		1166 AVENUE OF THE AMERICAS
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MARSH & MCLENNAN COMPANIES INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MARLENNAN CORP
		DATE OF NAME CHANGE:	19760505
</SEC-HEADER>
<DOCUMENT>
<TYPE>13F-NT
<SEQUENCE>1
<FILENAME>marsh.txt
<TEXT>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form 13F

Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended:  December 31, 2005

Check here if Amendment [  ];  Amendment Number:
     This Amendment  (Check only one.):	[] is a restatement.
					        	[    ] adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:	Marsh & McLennan Companies, Inc.
Address:	1166 Avenue of the Americas
	New York, New York  10036


Form 13F File Number:    28 - 93

The institutional investment manager filing
 this report and the person by whom it is signed hereby
represent that the person signing the report
is authorized to submit it, that all information contained herein
is true, correct and complete, and that it is understood
 that all required items, statements, schedules, lists,
and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name: 	Mark J. Dallara
Title:	Vice President
Phone: 	(212) 345-5512

Signature, Place and Date of Signing:

_/s/  Mark J. Dallara___________
     2/10/2006
  [Signature]
  [City, State]	        [Date]

Report Type    (Check only one.):

[    ]	13F HOLDINGS REPORT.  (Check here
if all holdings of this reporting manager are reported in
this report.)

[ X ]	13F NOTICE.   (Check here if no holdings
reported are in this report, and all holdings are
reported by other reporting manager (s).)

[    ]	13F COMBINATION REPORT.  (Check
here if a portion of the holdings for this reporting
manager are reported in this report and a portion
 are reported by other reporting manager (s).)

List of Other Managers Reporting for this Manager:

	Form 13F File Number	Name

	28 - 90		Putnam Investment Management, LLC

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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