Company lists · Data refreshed September 2026

Top 25 Grassroots marketing agencies worldwide

Name: Grassroots marketing agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 22,736 companies tracked

RevenueBase identified 22,736 company matches for grassroots marketing agencies worldwide as of September 2026 and tracks 163,678 professional contacts across them, including 35,476 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for grassroots marketing agencies worldwide, 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. Country and city lists for grassroots marketing agencies follow the table.

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

22,736Companies

163,678Contacts tracked

35,476Verified emails

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The 25 largest grassroots marketing agencies worldwide

Ranked by team size

Top 25 of 22,736 company matches for grassroots marketing agencies worldwide, 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	Mosaic North America	Exact match	Toronto, ON, CanadaHQ recorded Sep 28, 2026	5,001-10,000	3,014 contacts →
	Exact match “At Mosaic, we change the way people experience brands and make moments that stick.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	We ARE Social	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,728 contacts →
	Exact match “We are a global socially-led creative agency, with unrivaled social media expertise.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Momentum Worldwide	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,320 contacts →
	Exact match “People are no longer satisfied with simply "hearing" a brand's message.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	TEAM	Exact match	Fort Lauderdale, FL, United StatesHQ recorded Sep 28, 2026	5,001-10,000	1,259 contacts →
	Exact match “TEAM is dedicated to crafting brand experiences that are not just seen and heard but truly felt.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	MCI	Exact match	Geneva, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,229 contacts →
	Exact match “The power of people united in purpose is unstoppable.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Heaven Hopscotch Groupe	Exact match	Paris, FranceHQ recorded Sep 28, 2026	n/a	1,149 contacts →
	Exact match “Heaven est une agence de publicité next-generation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Pardgroup	Exact match	Milano, ItalyHQ recorded Sep 28, 2026	501-1,000	817 contacts →
	Exact match “MILAN \| LONDON \| DUBAI \| MADRID \| DUBLIN \| LUGANO \| PARIS \| NEW YORK \| HONG KONG \| SHENZHEN Pardgroup is your partner for transforming ideas into memorable retail and field…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Allied Global Marketing	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 28, 2026	201-500	750 contacts →
	Exact match “In business for over 30 years, Allied has built upon its roots in film advertising and publicity to become a global leader in entertainment, culture, and lifestyle marketing.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Kestone	Exact match	Mohan Cooperative Industrial, United Arab EmiratesHQ recorded Sep 28, 2026	201-500	638 contacts →
	Exact match “We’re a 28 years old B2B marketing agency.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Direct Result Marketing	Exact match	Amsterdam, NetherlandsHQ recorded Sep 28, 2026	1,001-5,000	518 contacts →
	Exact match “We are the market leader in our sector in the field of strategy, campaigns, street marketing and fundraising for more than 25 charitable organizations and commercial brands.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Nobody	Exact match	Washington, NC, United StatesHQ recorded Sep 28, 2026	n/a	468 contacts →
	Exact match “NOBODY® is a social-first agency built for complex challenges, serving leading brands, nonprofits, and the Fortune 500.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Impact XM	Exact match	Princeton, NJ, United StatesHQ recorded Sep 28, 2026	501-1,000	463 contacts →
	Exact match “Impact XM has merged with Jack Morton.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Lg2	Exact match	Montreal, QC, CanadaHQ recorded Sep 28, 2026	201-500	461 contacts →
	Exact match “LG2 is a creative agency that firmly believes its work must serve progress.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Match Marketing Group	Exact match	Boulder, CO, United StatesHQ recorded Sep 28, 2026	201-500	439 contacts →
	Exact match “Match Marketing Group is the connective tissue that empowers North American marketing agencies Public Label and Match Retail to collaborate and inspire each other.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Opus Agency	Exact match	Beaverton, OR, United StatesHQ recorded Sep 28, 2026	501-1,000	404 contacts →
	Exact match “Opus Agency is a global event marketing partner for brands ready to move beyond what’s expected.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Act.3	Exact match	Herzogenaurach, GermanyHQ recorded Sep 28, 2026	201-500	398 contacts →
	Exact match “We are act.3 - We are a community of real people who turn our passion into impact.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	LA Familia	Exact match	Santiago, ChileHQ recorded Sep 28, 2026	51-200	395 contacts →
	Exact match “Somos una Agencia de publicidad y marketing.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Money Mailer	Exact match	Cypress, CA, United StatesHQ recorded Sep 28, 2026	201-500	379 contacts →
	Exact match “Money Mailer is recognized as a leader in the direct marketing industry, delivering local deals to neighborhoods since 1979.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Campbell Ewald	Exact match	Detroit, MI, United StatesHQ recorded Sep 28, 2026	501-1,000	356 contacts →
	Exact match “Campbell Ewald is a full service, fully integrated marketing communications agency with offices in Detroit, Los Angeles and New York.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Pepperminds	Exact match	Haarlem, NetherlandsHQ recorded Sep 28, 2026	1,001-5,000	348 contacts →
	Exact match “As a renowned field marketing agency, we see every day how infectious our enthusiasm is.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Face2face Creatives	Exact match	Oslo, NorwayHQ recorded Sep 28, 2026	51-200	347 contacts →
	Exact match “At Face2face Creatives, we leverage the power of in-person human interactions to convert loyal, high-quality customers for our clients – on a “no cure, no pay” basis Immersive and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Auditoire	Exact match	Paris, FranceHQ recorded Sep 28, 2026	201-500	328 contacts →
	Exact match “AUDITOIRE is a global brand experience agency that transforms conversations and enhances the interaction between organizations, brands and their communities.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Nail Communications	Exact match	Providence, RI, United StatesHQ recorded Sep 28, 2026	n/a	315 contacts →
	Exact match “Nail Where every brand finds its fascinating.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Localsearch	Exact match	Gold Coast, AustraliaHQ recorded Sep 28, 2026	201-500	304 contacts →
	Exact match “Localsearch is your digital growth partner.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Media Star Promotions	Exact match	Hunt Valley, MD, United StatesHQ recorded Sep 28, 2026	501-1,000	304 contacts →
	Exact match “Media Star Promotions’ agency experience spans more than three decades specializing in brand strategy, but we don’t stop there.” 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 22,736 grassroots marketing agencies worldwide

See the full list, filter by size, metro and specialty, and access 35,476 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Grassroots marketing agencies worldwide at a glance

As of Sep 28, 2026

21.7%Verified-email coverage

7.2Average contacts per company

1-10Median size (employees)

2.2%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

15,987

11-50

5,646

51-200

853

201-500

147

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for grassroots marketing agencies are linked below.
What qualifies: Company records worldwide 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. 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 35,476 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 location

115 lists · largest first

Every Grassroots marketing agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 worldwide?

RevenueBase identified 22,736 company matches for grassroots marketing agencies worldwide 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?

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

Which country has the most grassroots marketing agencies?

The United States leads with 6,631 companies, followed by the United Kingdom (1,516) and India (1,351). Every grassroots marketing agencies list by country and city is linked on this page.

Which city has the most grassroots marketing agencies?

London leads with 501 company records, followed by New York (364) and Sao Paulo (309).

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 35,476 professional contacts with verified work emails tracked across these 22,736 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.