Sum Digital is a digital media buying agency with offices in San Francisco. Established in 2005, Sum Digital specializes in ecommerce advertising in the fields of apparel, accessories, home goods, beauty, and travel, and has worked extensively with brands like Lyft, Grammarly, Microsoft, Pura Vida Bracelets, Blenders Eyewear, UpWork, and Tatcha on everything from campaign strategy and execution, to creative photography and videography, to influencer program management.
