Gumas is a full-service advertising agency based in San Francisco, specializing in challenger brand marketing. The agency focuses on helping companies that are often overshadowed by larger competitors by crafting strategic marketing solutions to elevate their brand presence. Established in 1984, Gumas offers a range of services including branding, digital marketing, creative development, and media planning. The agency is known for its proprietary process that emphasizes understanding clients' unique challenges and developing tailored strategies to drive growth and visibility.