Insights

Strong Social Impact GMMB specializes in campaigns that promote social good, including racial justice, health reform, and environmental protection, making them an ideal partner for organizations focused on impact-driven initiatives and non-profit clients seeking strategic communications support.

Diverse Leadership Focus The recent appointment of a Chief Diversity, Equity, and Inclusion Officer indicates GMMB’s commitment to inclusive practices and diversity, presenting opportunities to collaborate with clients prioritizing DEI initiatives and values-aligned branding.

Recognition and Credibility GMMB's multiple awards such as the PRSA Silver Anvil Award enhance its reputation, making it attractive for organizations looking for reputable agencies to elevate their public image through award-winning campaigns.

Digital Engagement Capabilities With a strong tech stack including platforms like Meltwater, Digimind, and LinkedIn, GMMB is well-equipped for data-driven outreach and digital campaign management, appealing to clients aiming to strengthen their online presence and engagement strategies.

Revenue and Growth Potential Generating between $50M and $100M in revenue with an experienced team size, GMMB offers a substantial partnership opportunity for large-scale organizations seeking strategic communication services across multiple cause areas and advocating for progressive change.

GMMB Tech Stack

GMMB uses 8 technology products and services including Tableau, Google Cloud, Microsoft, and more. Explore GMMB's tech stack below.

  • Tableau
    Business Intelligence
  • Google Cloud
    Infrastructure As A Service
  • Microsoft
    Miscellaneous
  • reCAPTCHA
    Security
  • HSTS
    Security
  • Meltwater
    Social Media Analytics And Monitoring
  • Digimind
    Social Media Analytics And Monitoring
  • Adobe Fonts
    Web Fonts

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, DC 20007, US. 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.

How much revenue does GMMB generate?

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As of October 2025, GMMB's annual revenue is estimated to be $36M.

What is GMMB's SIC code NAICS code?

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GMMB's SIC code is 7311 - Advertising Agencies NAICS code is 54182 - Public Relations Agencies.

How many employees does GMMB have currently?

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As of October 2025, GMMB has approximately 234 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 TableauGoogle CloudMicrosoftreCAPTCHAHSTSMeltwaterDigimindAdobe Fonts.

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

GMMB

Public Relations and Communications ServicesUnited States201-500 Employees

We’re bold. We’re brave. We’re unstoppable.

GMMB is an agency on a mission: to cause the effect. We come from diverse backgrounds—political campaigns, nonprofits, creative agencies and the media—but the one thing we all have in common is our drive to create real, meaningful change. Whether we’re focused on getting kids healthier, improving schools, advancing laws or electing progressive leaders, we’re not in this business to sell products. We’re here to spread ideas that will transform our world into a better, kinder, fairer place. 

Since 1983, our agency has tackled a broad range of issues, including environmental protection, community service, education and health reform. We’ve helped elect presidents at home and abroad, fought for stricter regulations on tobacco and drunk driving, and united children in foster care with their forever families. And we’ve built an impressive client base that shares our passion for doing work that matters.

Creating real and lasting change in the world: It’s what we do. Are you with us?

Section iconCompany Overview

Headquarters
3050 K Street, Suite 100 Washington, DC 20007, US
Phone number
Website
gmmb.com
SIC Code
7311 - Advertising Agencies
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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