Shearman & Sterling represented the underwriters, led by banks including Citigroup and Wells Fargo Securities in connection with Omnicom Group Inc.’s offering of senior notes.

Omnicom Group Inc. is a leading global marketing and corporate communications company with branded networks and numerous specialty firms that provide advertising, customer relationship management, public relations and other specialty communications services to over 5,000 clients in more than 70 countries.

The Team