<SEC-DOCUMENT>0001571049-17-008721-index.html : 20171215
<SEC-HEADER>0001571049-17-008721.hdr.sgml : 20171215
<ACCEPTANCE-DATETIME>20171215165452
ACCESSION NUMBER:		0001571049-17-008721
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		12
FILED AS OF DATE:		20171215
DATE AS OF CHANGE:		20171215

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:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-222101
		FILM NUMBER:		171259608

	BUSINESS ADDRESS:	
		STREET 1:		745 FIFTH AVENUE, 19TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10151
		BUSINESS PHONE:		646 429 1800

	MAIL ADDRESS:	
		STREET 1:		745 FIFTH AVENUE, 19TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10151

	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>S-3
<SEQUENCE>1
<FILENAME>tv481207_s3.htm
<DESCRIPTION>SORM S-3
<TEXT>
Document 1 - file: tv481207_s3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.5
<SEQUENCE>2
<FILENAME>tv481207_ex4-5.htm
<DESCRIPTION>EXHIBIT 4.5
<TEXT>
Document 2 - file: tv481207_ex4-5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.6
<SEQUENCE>3
<FILENAME>tv481207_ex4-6.htm
<DESCRIPTION>EXHIBIT 4.6
<TEXT>
Document 3 - file: tv481207_ex4-6.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>4
<FILENAME>tv481207_ex5-1.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 4 - file: tv481207_ex5-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>5
<FILENAME>tv481207_ex23-1.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 5 - file: tv481207_ex23-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>tv481207_ex4-5img1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: tv481207_ex4-5img1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>tv481207_ex4-5img2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: tv481207_ex4-5img2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>tv481207_ex4-6img1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: tv481207_ex4-6img1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>tv481207_ex4-6img2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: tv481207_ex4-6img2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>lg_mdcp-pms.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: lg_mdcp-pms.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>tv481207_ex5-1logo.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: tv481207_ex5-1logo.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>tv481207_ex5-1logo1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: tv481207_ex5-1logo1.jpg

</DOCUMENT>
</SEC-DOCUMENT>