Sullivan

Overview

Sullivan is a brand engagement and strategy firm that develops branding and messaging for organizations with complex offerings [2]. The company is headquartered in New York City at 292 Madison Avenue, 21st Floor [1].

The company's own site places it in New York: Address listed as 292 Madison Avenue, 21st Floor, New York, NY 10017 with NYC phone number and email domain (sullivannyc.com). [1]