Insights

Mission Driven Growth GMMB is a mission‑driven PR and communications agency with a track record of supporting political campaigns, nonprofits, and social impact causes. This positions them as a partner for organizations seeking strategic communications for advocacy, fundraising, and policy influence, suggesting opportunities to pitch integrated campaigns, coalition building, and public awareness initiatives.

DEI & Growth Leadership Recent leadership addition of a Chief Diversity, Equity, Inclusion & Growth Officer signals a priority on DEI, organizational growth, and inclusive messaging. Sales conversations can target clients seeking authentic DEI communications, crisis readiness, and stakeholder engagement programs, as well as services to scale client impact.

Experienced Credibility A long‑standing history since 1983 with awards from PRSA and a diverse client base across environment, health, education, and policy indicates credibility and stability. This can be leveraged to pursue larger, long‑term engagements with advocacy groups, public health initiatives, and education reform campaigns.

Digital & Measurement Focus Technical stack includes iCIMS, Google Analytics, Smartsheet, and SEO tooling, pointing to data‑driven campaigns and client ROI tracking. Opportunities exist to upsell performance marketing, analytics dashboards, SEO‑driven content programs, and reporting packages for measurement‑mature clients.

Scale & Partnerships Revenue range and employee growth potential imply capacity for larger accounts and coalition‑level work. GMMB’s influence in political and social issue spheres suggests collaborative wins with allied firms, issue‑based coalitions, or funder‑driven multi‑organization campaigns.

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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