EX-21 3 a2023q4exhibit21.htm SUBSIDIARIES

EXHIBIT 21

SUBSIDIARIES OF REGISTRANT

Significant Subsidiaries

Company						Jurisdiction of Incorporation						Percentage of Voting Securities Owned by Registrant						Number of US subsidiaries						Number of Non-US subsidiaries
Omnicom APIMA Holdings Limited						Hong Kong						100%						—						65
Omnicom Capital Inc.						Connecticut						100%						1						4
Omnicom Europe Limited						United Kingdom						100%						4						540
Omnicom Finance Holdings plc						United Kingdom						100%						—						2
Omnicom Capital Holdings plc						United Kingdom						100%						—						4
Omnicom Group (Asia Pacific) Pte. Ltd.						Singapore						100%						—						35
BBDO Worldwide Inc.						New York						100%						22						73
DDB Worldwide Communications Group LLC						New York						100%						9						17
TBWA Worldwide Inc.						New York						100%						5						11
DAS Holdings Inc.						Delaware						100%						59						8
Omnicom Media Group Holdings Inc.						Delaware						100%						25						8