Seismicom | 758 followers on LinkedIn. Seismicom is an integrated brand-marketing agency working with global market leaders at the primary touch points that drive consideration and sales, including channel and shopper marketing, interactive marketing and promotion, and experiential marketing. Seismicom is headquartered in San Francisco with field offices throughout the U.S., and international offices in Buenos Aires and, coming soon to Europe and Asia. Our international footprint continues to expand and shape the culture of our agency.