Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

Ferland Martine

2. Date of Event Requiring Statement (MM/DD/YYYY) 3/1/2019

3. Issuer Name and Ticker or Trading Symbol

MARSH & MCLENNAN COMPANIES, INC. [MMC]

(Last) (First) (Middle)

1166 AVENUE OF THE AMERICAS

4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director _____ 10% Owner
___ X ___ Officer (give title below) _____ Other (specify below)
President and CEO, Mercer /

(Street)

NEW YORK, NY 10036

(City) (State) (Zip)

5. If Amendment, Date Original Filed (MM/DD/YYYY)

6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	2763	D

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Restricted Stock Units	⁽¹⁾	⁽¹⁾	Common Stock	8798	⁽²⁾	D
Stock Options (Right to Buy)	⁽³⁾	2/21/2026	Common Stock	9192	$57.325	D
Stock Options (Right to Buy)	⁽⁴⁾	2/21/2027	Common Stock	7912	$73.195	D
Stock Options (Right to Buy)	⁽⁵⁾	2/20/2028	Common Stock	7518	$83.046	D
Stock Options (Right to Buy)	⁽⁶⁾	2/18/2029	Common Stock	56085	$90.785	D

Explanation of Responses:
(1)	Not Applicable.
(2)	This security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.
(3)	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.
(4)	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.
(5)	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.
(6)	These options were granted on February 19, 2019 and vest in four equal annual installments on February 19th of 2020, 2021, 2022 and 2023.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Ferland Martine 1166 AVENUE OF THE AMERICAS NEW YORK, NY 10036			President and CEO, Mercer

Signatures
/s/ Tiffany D. Wooley, Attorney-in-Fact		3/5/2019
^** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.