<SEC-DOCUMENT>0001104659-21-063909-index.html : 20210510
<SEC-HEADER>0001104659-21-063909.hdr.sgml : 20210510
<ACCEPTANCE-DATETIME>20210510163331
ACCESSION NUMBER:		0001104659-21-063909
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		9
CONFORMED PERIOD OF REPORT:	20210622
FILED AS OF DATE:		20210510
DATE AS OF CHANGE:		20210510

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MDC PARTNERS INC
		CENTRAL INDEX KEY:			0000876883
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ADVERTISING AGENCIES [7311]
		IRS NUMBER:				980364441
		STATE OF INCORPORATION:			A6
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13718
		FILM NUMBER:		21907765

	BUSINESS ADDRESS:	
		STREET 1:		ONE WORLD TRADE CENTER, FLOOR 65
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10007
		BUSINESS PHONE:		646 429 1800

	MAIL ADDRESS:	
		STREET 1:		ONE WORLD TRADE CENTER, FLOOR 65
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10007

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MDC CORP INC
		DATE OF NAME CHANGE:	20001204

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MDC COMMUNICATIONS CORP
		DATE OF NAME CHANGE:	19961028

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MDC CORPORATION
		DATE OF NAME CHANGE:	19950419
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>tm2115114-1_def14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: tm2115114-1_def14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>sg_davidross-bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: sg_davidross-bw.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tm2019270d1_bcov.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: tm2019270d1_bcov.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>tm2115114d1-fc_manner4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: tm2115114d1-fc_manner4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>tm2115114d1-fc_ourboardbw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: tm2115114d1-fc_ourboardbw.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>tm2115114d1-px_ballot14c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: tm2115114d1-px_ballot14c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>tm2115114d1-px_ballot24c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: tm2115114d1-px_ballot24c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>tm2115114d1-px_ballot34c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: tm2115114d1-px_ballot34c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>tm2115114d1-px_ballot44c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: tm2115114d1-px_ballot44c.jpg

</DOCUMENT>
</SEC-DOCUMENT>