Cause IQ vendor profile


GMMB is a firm that provides consulting services, public relations and advertising, telecommunications, professional and technical services, and public relations and affairs to nonprofit clients. They primarily provide their services regionally, with most clients in District of Columbia, California, and Virginia (although they are present in other states as well).

Most GMMB clients are social advocacy organizations, grantmaking foundations, and professional associations with revenues ranging from $5.8 million to $242 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:
$107 mil revenue
Median client size:
$18 mil revenue

GMMB client list

1American Cancer Society Cancer Action Network (ACSCAN)501(c)(4)Washington, DC
2Consumer Healthcare Products Association (CHPA)501(c)(6)Washington, DC
3Jewish Social Service Agency (JSSA)501(c)(3)Rockville, MD
4Aarp501(c)(4)Washington, DC
5Zero To Three - National Center for Infants Toddlers and Families501(c)(3)Washington, DC
6Center on Budget and Policy Priorities501(c)(3)Washington, DC
7American Academy of Physician Associates (AAPA)501(c)(6)Alexandria, VA
8Sergey Brin Family Foundation501(c)(3)San Francisco, CA
9A James and Alice B Clark Foundation501(c)(3)Bethesda, MD
10American Council of Life Insurers (ACLI)501(c)(6)Washington, DC
...and 21 more GMMB not-for-profit tax-exempt clients identified by Cause IQ

GMMB competitors

Competitors to GMMB in the nonprofit sector include SKD Knickerbocker LLC, Berlin Rosen Ltd, Daniel J Edelman Inc, Facebook, M R Strategic Services, Pennington and Company, Marts and Lundy, Brownstein Hyatt Farber Schreck, The Heritage Company, and Glynndevins.

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