GMMB

Washington, District of Columbia, United States

Media relations and digital strategy for social impact

GMMB is dedicated to creating real and lasting change by supporting organizations and candidates focused on important issues. With a mission-driven approach, they specialize in forging connections that lead to meaningful change, reaching the right audience at the right time with the right message.

Their core services include media relations, brand strategy, digital strategy, and web design. GMMB's team of seasoned strategists and creative minds work collaboratively with clients to develop impactful campaigns and strategies. They offer a full suite of services from media outreach and brand development to digital content creation and web design.

GMMB has worked with high-profile clients such as AmeriCorps and the Maryland Health Benefit Exchange, demonstrating their expertise in government, politics, and social impact sectors. Their work spans various areas including public health, social justice, and economic mobility, showcasing their commitment to making the world a better place.

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SERVICES

Capabilities

Services

What these services involve

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Agency details

Team size
201-500 people

About this agency on Agency List

GMMB holds an Agency List Score of 73 out of 100.

That score is higher than 42% of the 36,919 agencies Agency List has assessed so far.

The Agency List Score measures how well an agency documents its work in public: named clients, quantified outcomes, and whether those outcomes are attributed to the agency rather than to the client.

It does not measure client satisfaction, price, or availability.

How the Agency List Score is measured

Assessment date

Agency List assessed GMMB in September 2026, reading 5 pages published on gmmb.com.

The score reflects what GMMB had published by that date; anything published since has not been read.

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