JGSullivan Interactive, Inc. is a Chicago-based advertising and interactive marketing agency located at 343 W Erie St, Suite 440. It serves clients seeking channel, content, demand, and digital development services. The firm traces its roots to J.G. Sullivan Advertising, founded by John G. Sullivan in 1955 as a traditional advertising agency.
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Authority
78/100
Safety
90/100
Registered
Jul 20, 1995
31 years old · GoDaddy.com, LLC
All 5 safety checks passed (Sep 6, 2026).
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Domain registered Jul 20, 1995 — 31 years old.
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Registrar today: GoDaddy.com, LLC — unchanged since AboutUs began tracking (Aug 10, 2026).