Companies

UM Worldwide is a global media agency founded in 1999[3] that provides media strategy, planning, and buying services for brands and clients across multiple markets[2]. The company maintains its global headquarters in New York City, located at 100 West 33rd Street, New York, NY 10001[1].

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NYC headquarters

  • The company's own site places it in New York: Text explicitly states 'UM US (Global Headquarters)' with address at '100 West 33rd Street New York, NY 10001' and phone number listed..[1]

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