Sia/Addison is a creative agency with over 100 award-winning thinkers, designers, content creators, digital storytellers, and developers -- all under one roof. Sia is a next-generation, global management consulting group—born digital, augmented by data, enhanced by creativity, and driven by responsibility. Our strength is strategic communication -- brilliantly executed across all channels. We're structured to meet your needs through six integrated strategic and creative services: • Branding • Content creation • Financial marketing • Simplified experience • Stakeholder communications • Sustainability and CSR
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The Addison annual revenue was $6.6 million in 2026.
Roger Byrom is the CEO of Addison.
102 people are employed at Addison.
Addison is based in New York, New York.
The NAICS codes for Addison are [54, 3329, 332, 541, 33].
The SIC codes for Addison are [874, 87].