UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	May 7, 2021 4:00 P.M.

Form:	S-4
CIK: 0000876883 Company Name: MDC PARTNERS INC File Number: 333-252829
CIK: 0001841050 Company Name: New MDC LLC File Number: 333-252829-01