Cause IQ vendor profile


GMMB is a firm that provides consulting services, public relations and advertising, telecommunications, public relations and affairs, and professional and technical services to nonprofit clients. They operate nationwide, with nonprofit clients using their services across the country.

Most GMMB clients are social advocacy organizations, grantmaking foundations, and professional associations with revenues ranging from $7.7 million to $105 million.

Previous legal names, trade names, or just variations of their name include: GMMB LLC.

Primary location:
Washington, DC
All locations:
Identified clients:
Avg client size:
$82 mil revenue
Median client size:
$14 mil revenue

GMMB client list

1Robert Wood Johnson Foundation (RWJF)501(c)(3)Princeton, NJ
2American Dental Association (ADA)501(c)(6)Chicago, IL
3ClimateWorks Foundation501(c)(3)San Francisco, CA
4American Cancer Society Cancer Action Network (ACSCAN)501(c)(4)Washington, DC
5National Confectioners Association (NCA)501(c)(6)Washington, DC
6Consumer Healthcare Products Association (CHPA)501(c)(6)Washington, DC
7National Marine Sanctuary Foundation (NMSF)501(c)(3)Silver Spring, MD
8Jewish Social Service Agency (JSSA)501(c)(3)Rockville, MD
9Campaign for Tobacco-Free Kids501(c)(3)Washington, DC
10Zero To Three - National Center for Infants Toddlers and Families Toddlers and Families501(c)(3)Washington, DC
...and 18 more GMMB not-for-profit tax-exempt clients identified by Cause IQ

GMMB competitors

Competitors to GMMB in the nonprofit sector include Berlin Rosen Ltd, SKD Knickerbocker LLC, M R Strategic Services, The Heritage Company, Glynndevins, Russ Reid, Office Team, Marts and Lundy, Pennington and Company, and Bentz Whaley Flessner.

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