GMMB

GMMB is a strategic communications agency based in Washington, United States, with additional offices in San Francisco and Seattle. Founded in 1983 by Jim Margolis, the firm has grown to employ approximately 220 people. While often recognized for its political work, GMMB provides a broad range of communications services that extend well beyond electoral politics into public affairs, brand strategy, and social impact. The agency operates at the intersection of messaging, media, and movement building, helping clients navigate complex policy environments and public conversations.

Services and Capabilities

GMMB offers a comprehensive suite of communications services designed to influence opinion, change behavior, and drive action. The agency's work is rooted in the belief that effective communication requires both strategic thinking and creative execution. Their capabilities span the full communications lifecycle, from research and analysis through production and evaluation.

• Public relations and communications strategy
• Digital and social media management
• Brand strategy and identity development
• Creative content production (video, print, digital)
• Media planning and buying
• Grassroots organizing and movement building
• Advertising campaign development and execution
• Issue campaign analysis and execution
• Public affairs and government relations
• Employee engagement and internal communications
• Full-stack web development
• Stakeholder engagement and coalition building
• Policy advocacy and public policy communications

Client Focus and Issue Areas

GMMB works with a diverse client base that includes political candidates, nonprofit organizations, foundations, corporations, and government agencies. The firm is particularly known for its work on progressive causes and social change campaigns. Key issue areas include healthcare, education, economic mobility, global development, environmental justice, and public policy advocacy. Notable clients have included Barack Obama, Hillary Clinton, and the Bill & Melinda Gates Foundation, reflecting the agency's ability to handle high-stakes, high-visibility campaigns. GMMB also serves corporate clients seeking to align their brand with social impact and purpose-driven initiatives.

Approach and Philosophy

The agency's approach is grounded in rigorous research and data-driven strategy. GMMB emphasizes the importance of understanding audiences, testing messages, and measuring impact. Their process typically begins with issue campaign analysis to identify key stakeholders, understand public sentiment, and develop a clear theory of change. From there, the team crafts compelling narratives that resonate with target audiences, using a mix of traditional media, digital platforms, and grassroots organizing. GMMB is also committed to diversity and inclusivity, both in its internal culture and in the messaging it develops for clients. The firm sees communications as a tool for positive change, whether that means helping a candidate win an election, advancing a policy goal, or shifting public opinion on a critical issue.

Location and Credentials

Headquartered at 3050 K Street Northwest in Washington, District of Columbia, GMMB is deeply embedded in the nation's capital. This Washington location gives the firm direct access to policymakers, media, and advocacy networks. The agency also maintains offices in San Francisco and Seattle, allowing it to serve clients across the United States. With over four decades of experience, GMMB has built a reputation for delivering results in some of the most challenging communications environments. The firm's team of 220 professionals brings expertise from political campaigns, journalism, advertising, public relations, and technology sectors.

Who GMMB Is a Good Fit For

GMMB is well-suited for organizations and individuals who need to navigate complex public conversations, build coalitions, and drive measurable change through strategic communications. The agency is a strong fit for political candidates and advocacy groups focused on progressive policy issues, as well as foundations and nonprofits working on healthcare, education, economic mobility, and environmental justice. Corporations seeking to enhance their social impact and engage employees around purpose-driven initiatives will also find value in GMMB's approach. The firm is particularly effective for clients who require integrated campaigns that combine paid media, earned media, digital engagement, and grassroots organizing. Organizations looking for a partner with deep experience in issue advocacy and political communications will benefit from GMMB's track record and expertise.