Insights

Strategic Focus GMMB is a mission-driven PR and communications agency with a long track record of social impact work across environmental protection, education, health reform and racial justice. This suggests opportunities in public affairs, advocacy campaigns and policy communications for organizations aiming to influence legislation, social outcomes or public opinion.

DEI Leadership Recent leadership addition of a Chief Diversity, Equity, Inclusion & Growth Officer indicates a priority on inclusive growth and diverse talent. A potential sales angle is offering DEI consulting, employee engagement programs, and inclusive communications strategies for companies and nonprofits seeking to advance DEI initiatives.

Scale & Partners With a revenue range of 250M–500M and a broad client base, GMMB operates at a large agency scale that may partner with or acquire specialized capabilities. Opportunities exist to provide niche services such as data-driven measurement, advanced analytics, or tech-enabled campaign platforms to complement their existing capabilities.

Tech Stack Leverage Utilizes tools like Looker, Google Cloud, Adobe Experience Cloud, Drupal and Smartsheet, signaling readiness for data reporting, digital marketing optimization, and content management at scale. Proposals could emphasize integrated MarTech solutions, dashboards, and performance analytics to enhance client campaigns.

Social Impact Ecosystem GMMB has a history of high-visibility campaigns and collaboration with racial justice and health reform organizations. This creates cross-sell opportunities with allied nonprofits, foundations, and public-interest groups seeking strategic communications, fundraising, and issue advocacy support.

Similar companies to GMMB

GMMB Tech Stack

GMMB uses 8 technology products and services including Hotjar, Looker, Drupal, and more. Explore GMMB's tech stack below.

GMMB's Email Address Formats

GMMB uses at least 4 email formats:
GMMB Email FormatsExamplePercentage
First.Last@gmmb.comJohn.Doe@gmmb.com
92%
First@gmmb.comJohn@gmmb.com
5%
Last@gmmb.comDoe@gmmb.com
1%
F.Last@gmmb.comJ.Doe@gmmb.com
2%

Frequently Asked Questions

What is GMMB's phone number?

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You can contact GMMB's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is GMMB's official website and social media links?

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GMMB's official website is gmmb.com and has social profiles on LinkedIn.

How much revenue does GMMB generate?

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As of August 2026, GMMB's annual revenue is estimated to be $250M - $500M.

What is GMMB's SIC code and NAICS code?

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GMMB's SIC code is 8743 - Public Relations Services and NAICS code is 54182 - Public Relations Agencies.

How many employees does GMMB have currently?

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As of August 2026, GMMB has approximately 263 employees across 5 continents, including North America, Asia and Europe. Key team members include Vice President Of Digital Strategy: L. F., Vice President Director Of Digital Strategy: R. W. and Partner: W. T. Explore GMMB's employee directory with LeadIQ.

What industry does GMMB belong to?

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GMMB operates in the Public Relations and Communications Services industry.

What technology does GMMB use?

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GMMB's tech stack includes Hotjar, Looker, Drupal, Microsoft SharePoint, Adobe Experience Cloud, Oracle PeopleSoft, Google Cloud and Smartsheet.

What is GMMB's email format?

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GMMB's email format typically follows the pattern of First.Last@gmmb.com. Find more GMMB email formats with LeadIQ.
GMMB logo

GMMB

Public Relations and Communications ServicesDistrict of Columbia, United States201-500 Employees

GMMB is a Washington, DC-based public relations and communications agency focused on social impact and policy-oriented work. Drawing on experience from political campaigns, nonprofits, creative agencies, and the media, the firm focuses on influencing public discourse and policy outcomes rather than commercial products. Its portfolio spans environmental protection, education and health reform, and advocacy that supports progressive leaders and legislative initiatives.

Founded in 1983, GMMB operates as a mid-sized firm in public relations and public affairs, serving advocacy groups, nonprofits, and political campaigns focused on policy change. In 2022, it announced the appointment of Sharon V. Jones as Chief Diversity, Equity, Inclusion and Growth Officer.

Section iconCompany Overview

Phone number
Website
gmmb.com
SIC Code
8743 - Public Relations Services
NAICS Code
54182 - Public Relations Agencies
Employees
201-500

Section iconFunding & Financials

  • $250M - $500M

    GMMB's revenue is estimated to be in the range of $250M - $500M

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