FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   MCGIVNEY MARK C 2. Date of Event Requiring Statement (Month/Day/Year) 01/01/2016 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) Chief Financial Officer 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) NEW YORK, NY 10036 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) 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 15,905 D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		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)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	  (1)	  (1)	Common Stock	13,989	$ (2)	D	Â
Stock Options (Right to Buy)	  (3)	02/23/2022	Common Stock	5,174	$ 31.885	D	Â
Stock Options (Right to Buy)	  (4)	02/24/2023	Common Stock	13,105	$ 36.495	D	Â
Stock Options (Right to Buy)	  (5)	02/23/2024	Common Stock	18,116	$ 48	D	Â
Stock Options (Right to Buy)	  (6)	02/22/2025	Common Stock	15,433	$ 56.84	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
MCGIVNEY MARK C 1166 AVENUE OF THE AMERICAS NEW YORK, NY 10036	Â	Â	  Chief Financial Officer	Â

Signatures

/s/ Tiffany D. Wooley, Attorney-in-Fact		01/06/2016
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Not Applicable.
(2)	The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.
(3)	These options were granted on February 24, 2012 and vest in four equal annual installments. The first, second and third installments vested and became exercisable on February 24th of 2013, 2014 and 2015. The remaining installment vests on February 24, 2016.
(4)	These options were granted February 25, 2013 and vest in four equal annual installments. The first and second installments vested and became exercisable on February 25th of 2014 and 2015. The remaining installments vest on February 25th of 2016 and 2017.
(5)	These options were granted on February 24, 2014 and vest in four equal annual installments. The first installment vested and became exercisable on February 24, 2015. The remaining installments vest on February 24th of 2016, 2017 and 2018.
(6)	These options were granted on February 23, 2015 and vest in four equal annual installments on February 23rd of 2016, 2017, 2018 and 2019.

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