<SEC-DOCUMENT>0000950103-19-003099.txt : 20190305
<SEC-HEADER>0000950103-19-003099.hdr.sgml : 20190305
<ACCEPTANCE-DATETIME>20190305182019
ACCESSION NUMBER:		0000950103-19-003099
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20190301
FILED AS OF DATE:		20190305
DATE AS OF CHANGE:		20190305

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ferland Martine
		CENTRAL INDEX KEY:			0001769136

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05998
		FILM NUMBER:		19660266

	MAIL ADDRESS:	
		STREET 1:		C/O MARSH & MCLENNAN COMPANIES, INC.
		STREET 2:		1166 AVENUE OF THE AMERICAS
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

ISSUER:		

	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

	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>3
<SEQUENCE>1
<FILENAME>dp103467_3-ferland.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2019-03-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000062709</issuerCik>
        <issuerName>MARSH &amp; MCLENNAN COMPANIES, INC.</issuerName>
        <issuerTradingSymbol>MMC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001769136</rptOwnerCik>
            <rptOwnerName>Ferland Martine</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1166 AVENUE OF THE AMERICAS</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10036</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO, Mercer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2763</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>8798</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Options (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>57.325</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2026-02-21</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>9192</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Options (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>73.195</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <value>2027-02-21</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7912</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Options (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>83.046</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <value>2028-02-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7518</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Options (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>90.785</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <value>2029-02-18</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>56085</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Not Applicable.</footnote>
        <footnote id="F2">This security converts to Marsh &amp; McLennan Companies common stock on a 1-for-1 basis.</footnote>
        <footnote id="F3">These options were granted on February 22, 2016 and vest in four equal annual installments. The first three installments vested and became exercisable on February 22nd of 2017, 2018 and 2019. The remaining installment vests on February 22nd of 2020.</footnote>
        <footnote id="F4">These options were granted on February 22, 2017 and vest in four equal annual installments. The first two installments vested and became exercisable on February 22nd of 2018 and 2019. The remaining installments vest on February 22nd of 2020 and 2021.</footnote>
        <footnote id="F5">These options were granted on February 21, 2018 and vest in four equal annual installments. The first installment vested and became exercisable on February 21, 2019. The remaining installments vest on February 21st of 2020, 2021 and 2022.</footnote>
        <footnote id="F6">These options were granted on February 19, 2019 and vest in four equal annual installments on February 19th of 2020, 2021, 2022 and 2023.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Tiffany D. Wooley, Attorney-in-Fact</signatureName>
        <signatureDate>2019-03-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>dp103467_ex24.txt
<DESCRIPTION>EXHIBIT 24
<TEXT>
                               POWER OF ATTORNEY
             FOR SECTION 16 AND EU MARKET ABUSE REGULATION FILINGS

        Know all by these presents that the undersigned hereby constitutes and
        appoints each of Katherine J. Brennan, Tiffany D. Wooley and Connor
        Kuratek signing singly, his or her true and lawful attorney-in-fact to:

        (1)     execute for and on behalf of the undersigned Forms 3, 4 and 5 in
                accordance with Section 16(a) of the Securities Exchange Act of
                1934 and the rules thereunder;

        (2)     do and perform any and all acts for and on behalf of the
                undersigned which may be necessary or desirable to complete the
                execution of any such Form 3, 4 or 5 and the timely filing of
                such form with the United States Securities and Exchange
                Commission and any other authority; and

        (3)     do and perform any and all acts for and on behalf of the
                undersigned which may be necessary or desirable to comply with
                the responsibilities of the undersigned as set out in the EU
                Market Abuse Regulation (2014/596/EU), namely the requirement to
                file all necessary forms relating to share dealing with the
                Financial Conduct Authority in the United Kingdom; and

        (4)     take any other action of any type whatsoever in connection with
                the foregoing which, in the opinion of such attorney-in-fact,
                may be of benefit to, in the best interest of, or legally
                required by, the undersigned, it being understood that the
                documents executed by such attorney-in-fact on behalf of the
                undersigned pursuant to this Power of Attorney shall be in such
                form and shall contain such terms and conditions as such
                attorney-in-fact may approve in his or her discretion.

        The undersigned hereby grants to each such attorney-in-fact full power
        and authority to do and perform each and every act and thing whatsoever
        requisite, necessary and proper to be done in the exercise of any of the
        rights and powers herein granted, as fully to all intents and purposes
        as the undersigned might or could do if personally present, with full
        power of substitution or revocation, hereby ratifying and confirming all
        that such attorney-in-fact, or his or her substitute or substitutes,
        shall lawfully do or cause to be done by virtue of this Power of
        Attorney and the rights and powers herein granted. The undersigned
        acknowledges that the foregoing attorneys-in-fact, in serving in such
        capacity at the request of the undersigned, are not assuming any of the
        undersigned's responsibilities to comply with Section 16 of the
        Securities Exchange Act of 1934, as amended, and with the EU Market
        Abuse Regulation (2014/596/EU).This authorization shall remain in effect
        unless and until it is revoked in writing by the undersigned.

        IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
        be executed as of this 21st day of February 2019.

                                                /s/ Martine Ferland
                                                _______________________
                                                 Martine Ferland

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