Insights

Strong Mission Impact GMMB's focus on creating meaningful social and political change presents opportunities to collaborate with organizations seeking strategic communications and advocacy campaigns that align with their purpose-driven initiatives.

Diverse Client Base With experience in environmental, health, education, and social justice sectors, GMMB is well-positioned to attract clients across related industries looking for experienced partners in public relations and communications.

Technology Adoption Utilizing advanced tools such as Tableau, Google Cloud, and Meltwater indicates GMMB’s commitment to data-driven decision making, which can open doors for tech-focused service providers aiming to enhance strategic insights.

Recent Leadership Focus The appointment of a Chief Diversity, Equity, and Inclusion Officer reflects a strategic emphasis on DEI initiatives, offering potential sales opportunities in DEI consulting, training, and related communications services.

Recognition and Awards GMMB’s award-winning reputation and longstanding history position it as a credible partner for high-impact, reputable campaigns, making it appealing for organizations seeking reputable agencies for large-scale public relations projects.

GMMB Tech Stack

GMMB uses 8 technology products and services including iCIMS, git, jQuery Migrate, and more. Explore GMMB's tech stack below.

  • iCIMS
    Applicant Tracking Systems
  • git
    Development
  • jQuery Migrate
    Javascript Libraries
  • Smartsheet
    Project Management
  • Google
    Search Engines
  • Yoast SEO
    Search Engines
  • Yoast SEO Premium
    Search Engines
  • Google Analytics
    Web Analytics

GMMB's Email Address Formats

GMMB uses at least 1 format(s):
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

Where is GMMB's headquarters located?

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GMMB's main headquarters is located at 3050 k Street Suite 100 Washington, District of Columbia 20007 United States. The company has employees across 5 continents, including North AmericaAsiaEurope.

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.

What is GMMB's NAICS code?

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GMMB's NAICS code is 54182 - Public Relations Agencies.

How many employees does GMMB have currently?

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As of May 2026, GMMB has approximately 249 employees across 5 continents, including North AmericaAsiaEurope. Key team members include Vice President Paid Digital: B. D.Vice President Of Digital Strategy: L. F.Vice President | Health Policy And Coverage: A. M.. 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 iCIMSgitjQuery MigrateSmartsheetGoogleYoast SEOYoast SEO PremiumGoogle Analytics.

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

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

Headquarters
3050 k Street Suite 100 Washington, District of Columbia 20007 United States
Phone number
Website
gmmb.com
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

Section iconFunding & Financials

  • $250M$500M

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

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