<SEC-DOCUMENT>0001104659-21-053331-index.html : 20210623
<SEC-HEADER>0001104659-21-053331.hdr.sgml : 20210623
<ACCEPTANCE-DATETIME>20210421212731
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0001104659-21-053331
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20210421

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:		CORRESP

	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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			New MDC LLC
		CENTRAL INDEX KEY:			0001841050
		IRS NUMBER:				861390679
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		ONE WORLD TRADE CENTER
		STREET 2:		FLOOR 65
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10007
		BUSINESS PHONE:		6464291837

	MAIL ADDRESS:	
		STREET 1:		ONE WORLD TRADE CENTER
		STREET 2:		FLOOR 65
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10007
</SEC-HEADER>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
Document 1 - file: filename1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>tm214718d10_correspimg001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: tm214718d10_correspimg001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tm214718d10_correspimg002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: tm214718d10_correspimg002.jpg

</DOCUMENT>
</SEC-DOCUMENT>