Company lists · Data refreshed September 2026

Top 25 Grassroots marketing agencies based in Washington, United States

Name: Grassroots marketing agencies based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 74 companies tracked

RevenueBase identified 74 company matches for grassroots marketing agencies associated with Washington, United States as of September 2026 and tracks 1,074 professional contacts across them, including 503 with verified work emails. Across the United States, New York is the largest hub for this category (399 companies); Washington has 74.

This list covers company matches for grassroots marketing agencies associated with Washington, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

74Companies

1,074Contacts tracked

503Verified emails

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The 25 largest grassroots marketing agencies based in Washington, United States

Ranked by team size

Top 25 of 74 company matches for grassroots marketing agencies based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	GMMB	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	201-500	239 contacts →
	Exact match “We’re bold.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Precision	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	135 contacts →
	Exact match “Precision is an integrated strategy and marketing agency.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Youth Marketing Connection	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	83 contacts →
	Exact match “YMC builds and connects brands and organizations with #GenZ and #GenAlpha.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	The Brand Guild	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	81 contacts →
	Exact match “The Brand Guild is the agency of choice for market makers pushing their way to scale and for market leaders breathing new energy into their organizations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Linder Global Events	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	75 contacts →
	Exact match “Linder is a trusted global events agency that plans, promotes, and produces impactful experiences for Fortune 100 companies and leading nonprofits worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Hilltop Public Solutions	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	52 contacts →
	Exact match “At Hilltop, we manage high-stakes, high-profile campaigns, build coalitions and find and mobilize grasstops and grassroots advocates across the country.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Rising Tide Interactive	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	40 contacts →
	Exact match “Rising Tide Interactive is a full-service digital marketing agency dedicated to using data-driven strategy to achieve results that matter for our clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Hager Sharp	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	38 contacts →
	Exact match “At Hager Sharp, we’ve dedicated the last 50 years to creating communications campaigns for organizations committed to improving health, advancing education, transforming our…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Trivision	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	33 contacts →
	Exact match “TriVision is an award-winning, full-service marketing agency helping organizations communicate with clarity and create with impact.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	NEW Blue Interactive	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	30 contacts →
	Exact match “We believe that progress doesn’t happen on its own.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Values Partnerships	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	27 contacts →
	Exact match “Values Partnerships is a social impact agency.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	ICE Factor	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	21 contacts →
	Exact match “At ICE Factor, we are more than just an experiential marketing agency-we're your strategic partner in crafting unforgettable brand experiences.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Direct Impact	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	20 contacts →
	Exact match “We have been in the business of mobilizing people for more than 20 years.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Isom Global Strategies	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	19 contacts →
	Exact match “We deliver high-impact, KPI-driven campaigns for enterprise, federal, and nonprofit clients across traditional and digital channels.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Harbinger	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	201-500	14 contacts →
	Exact match “Harbinger is an experiential marketing agency that produces in-person events, digital experiences, and media engagement for the world's leading personalities, brands, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Grit Studio	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	11 contacts →
	Exact match “Hi, We’re GRIT - We’re the go-to boutique agency for full service outsourced marketing, transforming growth-stage beauty, wellness and modern parenting brands into industry…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Vestige Strategies LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	10 contacts →
	Exact match “Vestige Strategies, LLC is a Washington, DC-based public affairs firm that specializes in grassroots community and civic engagement strategies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Buoyant	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	10 contacts →
	Exact match “Buoyant Partners is an award-winning, full-service marketing & communications firm based in Washington, DC, that helps our clients shift outdated, under-performing and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	HAVIT	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	6 contacts →
	Exact match “Our agency may be rooted in DC and Philly, but we don’t stop there.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Strategies For Change Group	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	6 contacts →
	Exact match “Welcome to Strategies for Change Group (SFCG) – a marketing consultancy firm and the driving force behind transformation in your initiatives.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Dash Coordinating & Marketing, LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match “DASH Coordinating & Marketing, LLC is a vibrant young company, comprised of a team of creative minds who manage all aspects of marketing and business planning; from grass roots…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Departmentc	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “DepartmentC is a collective of designers, writers and strategists with a passion for connecting our customers with theirs.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Four Corners Strategies	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “At Four Corners Strategies, we turn ideas into extraordinary experiences through strategic vision, creativity, and flawless execution.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Pharos	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “Pharos is a pioneering force in the digital landscape, guiding businesses towards a sustainable and purposeful future.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Megan Flynn Marketing	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1-10	4 contacts →
	Exact match “We're on a mission to help small businesses thrive by providing personalized marketing services at prices small businesses can afford.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “grassroots marketing agencies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 74 grassroots marketing agencies based in Washington, United States

See the full list, filter by size, metro and specialty, and access 503 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Grassroots marketing agencies based in Washington, United States at a glance

As of Sep 28, 2026

46.8%Verified-email coverage

14.5Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 74 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Washington, United States whose business descriptions match “grassroots marketing agencies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 503 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Grassroots marketing agencies by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “grassroots marketing agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many grassroots marketing agencies are there based in Washington, United States?

RevenueBase identified 74 company matches for grassroots marketing agencies associated with Washington, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

GMMB tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most grassroots marketing agencies?

New York leads the United States with 399 company records, followed by Los Angeles (291) and Miami (144). Washington has 74.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 503 professional contacts with verified work emails tracked across these 74 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.