Exhibit 21
MDC PARTNERS INC.
SUBSIDIARIES OF THE REGISTRANT
 | | |
| HOLDING COMPANIES Name | Jurisdiction of Incorporation/Formation | |
| KBP Holdings LLC | Delaware | |
| Maxxcom Inc. | Delaware | |
| Maxxcom Global Media LLC | Delaware | |
| Maxxcom (Nova Scotia) Corp. | Nova Scotia | |
| Maxxcom (USA) Holdings Inc. | Delaware | |
| Maxxcom (USA) Finance Company | Delaware | |
| MDC Acquisition Inc. | Delaware | |
| MDC Corporate (US) Inc. | Delaware | |
| MDC/KBP Acquisition Inc. | Delaware | |
| MF+P Acquisition Co. | Delaware | |
| TC Acquisition Inc. | Delaware | |
| ZG Acquisition Inc. | Delaware |
| | |
| OPERATING COMPANIES Name | Jurisdiction of Incorporation/Formation | |
| 656712 Ontario Limited (d/b/a “Onbrand”) | Ontario | |
| 6degrees Integrated Communications Corp. | Ontario | |
| 72 and Sunny NL B.V. | The Netherlands | |
| 72 and Sunny Partners LLC | Delaware | |
| 939 GP Inc. | Ontario | |
| Accent Marketing Services, L.L.C. | Delaware | |
| Accumark Partners Inc. | Ontario | |
| Active Events LLC | Delaware | |
| AIC Publishing Services LP | Ontario | |
| Allison & Partners LLC | Delaware | |
| Anomaly B.V. | The Netherlands | |
| Anomaly Inc. | Ontario | |
| Anomaly London LLP | United Kingdom | |
| Anomaly Partners LLC | Delaware | |
| Ashton-Potter Canada Inc. | Ontario | |
| Attention Partners LLC | Delaware | |
| Boom Marketing Inc. | Ontario | |
| Bruce Mau Design Inc. | Ontario | |
| Bryan Mills Iradesso Corp. | Ontario | |
| Capital C Partners LP | Ontario | |
| Communifx Partners LLC | Delaware | |
| Company C Communications LLC | Delaware | |
| Concentric Partners LLC | Delaware | |
| Clifford/Bratskeir Public Relations LLC | Delaware | |
| Colle & McVoy LLC | Delaware | |
| Computer Composition of Canada LP | Ontario | |
| Crispin Porter & Bogusky Europe AB | Sweden | |
| Crispin Porter & Bogusky Limited | United Kingdom | |
| Crispin Porter & Bogusky LLC | Delaware | |
| Doner Partners LLC | Delaware | |
| Dotbox LLC | Delaware | |
| Dotglu, LLC | Delaware |
| | |
| OPERATING COMPANIES Name | Jurisdiction of Incorporation/Formation | |
| Expecting Productions, LLC | California | |
| Hello Design, LLC | California | |
| henderson bas partnership | Ontario | |
| HL Group Partners LLC | Delaware | |
| Hudson and Sunset Media LLC (f/k/a Shout Media LLC) | Delaware | |
| Integrated Media Solutions Partners LLC | Delaware | |
| Kbs+p Atlanta LLC (f/k/a Fletcher Martin LLC) | Delaware | |
| Kbs+p Canada LP | Ontario | |
| Kenna Communications LP | Ontario | |
| Kirshenbaum Bond Senecal & Partners LLC | Delaware | |
| Kirshenbaum Bond & Partners West, LLC | Delaware | |
| Kwittken & Company Limited | United Kingdom | |
| Kwittken PR LLC | Delaware | |
| Laird + Partners New York LLC | Delaware | |
| MDC Canada GP Inc. | Ontario | |
| MDC Innovation Partners LLC (d/b/a Spies & Assassins) | Delaware | |
| MDC Travel Inc. | Delaware | |
| Margeotes Fertitta Powell LLC | Delaware | |
| Mono Advertising LLC | Delaware | |
| Northstar Research Partners Inc. | Ontario | |
| Northstar Research Partners (USA) LLC | Delaware | |
| Redscout LLC | Delaware | |
| Relevent Partners LLC | Delaware | |
| RJ Palmer Partners LLC | Delaware | |
| Skinny NYC LLC | Delaware | |
| Sloane & Company LLC | Delaware | |
| Source Marketing, LLC | New York | |
| Sugar Daddy Development, LLC | Delaware | |
| TargetCast LLC | Delaware | |
| TargetCom, LLC | Delaware | |
| The Arsenal LLC (f/k/a Team Holdings LLC) | Delaware | |
| Trade X Partners LLC | Delaware | |
| Trailer Productions, LLC | California | |
| Union Advertising Canada LP | Ontario | |
| Veritas Communications Inc. | Ontario | |
| Varick Media Management LLC | Delaware | |
| Vitro Partners LLC | Delaware | |
| VitroRobertson LLC | Delaware | |
| Yamamoto Moss Mackenzie Inc. | Delaware | |
| Zyman Group, LLC | Delaware |