At Sullivan, we transform hard-to-understand businesses into easy-to-love brands. Founded in 1990 by Barbara Apple Sullivan, we’ve helped top organizations uncover the humanity behind their complexity since our inception. Where other agencies focus on high-level awareness building, we help organizations with complex ecosystems use brand to reach customers at critical points of decision. As a brand and marketing firm, we hold 35 years of expertise in complex industries such as financial services, higher education, technology, and professional services. Sullivan is proudly woman-owned and WBENC certified.
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The Sullivan annual revenue was $5.1 million in 2026.
Barbara Apple is the Managing Partner of Sullivan.
150 people are employed at Sullivan.
Sullivan is based in New York, New York.
The NAICS codes for Sullivan are [541, 541810, 54, 5418, 54181].
The SIC codes for Sullivan are [87, 874].