Company lists · Data refreshed September 2026

Top 25 Volunteering marketing consultants based in the United States

RevenueBase identified 1,362 company matches for volunteering marketing consultants associated with the United States as of September 2026 and tracks 10,641 professional contacts across them, including 1,599 with verified work emails. New York is the largest hub.

This list covers company matches for volunteering marketing consultants associated with the 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 29, 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 29, 2026 How this list was built
1,362Companies
10,641Contacts tracked
1,599Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest volunteering marketing consultants based in the United States

Ranked by team size
Top 25 of 1,362 company matches for volunteering marketing consultants based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchChicago, IL, United StatesHQ recorded Sep 29, 2026n/a4,751 contacts →

Exact match

“We help businesses and nonprofits grow, communicate, and succeed, professionally and affordably.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchLos Angeles, CA, United StatesHQ recorded Sep 29, 202610001+756 contacts →

Exact match

“Ultimate Minds is a professional consulting and marketing firm dedicated to empowering businesses, nonprofits, and startups with smart, affordable, and results-driven solutions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 2026n/a275 contacts →

Exact match

“Taproot Foundation is a nonprofit organization connecting communities and driving social change.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchLos Angeles, CA, United StatesHQ recorded Sep 29, 202611-5051 contacts →

Exact match

“180 Degrees Consulting at USC is a student-led social impact consultancy that provides consulting services to nonprofits, social enterprises, and other socially-minded…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchMclean, VA, United StatesHQ recorded Sep 29, 2026n/a43 contacts →

Exact match

“Montage Marketing Group, LLC is a minority and woman-owned small business dedicated to fostering and delivering world-class campaigns.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchDallas, TX, United StatesHQ recorded Sep 29, 202611-5042 contacts →

Exact match

“VolunteerNow™ is the nation's driving force of VolunteerPower™-the leading consultancy and innovative solutions provider specializing in population-level change through…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchBoston, MA, United StatesHQ recorded Sep 29, 2026n/a37 contacts →

Exact match

“SOAR strengthens nonprofits through collaborative, pro bono consulting that builds organizational capacity and deepens community impact while fostering an enriching learning…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchBurlington, NC, United StatesHQ recorded Sep 29, 202611-5033 contacts →

Exact match

“At Tassel, we provide marketing leadership that helps independent and faith-based schools prioritize and implement initiatives that build enrollment health.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchAtlanta, GA, United StatesHQ recorded Sep 29, 2026n/a31 contacts →

Exact match

“48in48 is a 501c3 social entrepreneurship organization that brings marketing professionals together to create websites and digital materials to help nonprofits extend their impact.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchManasquan, NJ, United StatesHQ recorded Sep 29, 202611-5029 contacts →

Exact match

“Wingman Planning provides approachable and affordable consulting for your business.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchRedwood City, CA, United StatesHQ recorded Sep 29, 202651-20026 contacts →

Exact match

“EM Marketing is a Bay Area-based consulting firm that provides marketing strategy and execution services for a variety of industries.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchBoston, MA, United StatesHQ recorded Sep 29, 2026201-50022 contacts →

Exact match

“Founded in 1998, Inspire is a 501(c)(3) nonprofit offering management and strategy consulting services to leading nonprofit organizations across the United States.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchDecatur, GA, United StatesHQ recorded Sep 29, 202611-5021 contacts →

Exact match

“Lenz is a full-service marketing agency and strategic consulting firm providing branding, advertising, digital marketing, and public relations services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchRochester, NY, United StatesHQ recorded Sep 29, 20261-1020 contacts →

Exact match

“Causewave is a nonprofit that collaborates with local businesses and volunteers to achieve meaningful change for organizations and communities through community impact initiatives…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchWest Columbia, United StatesHQ recorded Sep 29, 202611-5020 contacts →

Exact match

“Riggs Partners is a creative marketing consultancy that specializes in building Responsible Brands.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-5018 contacts →

Exact match

“Art & Science Partners is a boutique marketing consultancy firm.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5017 contacts →

Exact match

“With C&Z's 22+ years of relationships with 500+ marketing consultants and leading tech companies (including Google, Cisco, Microsoft, Dell, AWS, and more), we're in a unique…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchDallas, TX, United StatesHQ recorded Sep 29, 20261-1017 contacts →

Exact match

“After years in sales and marketing, partnering with agencies, and providing small business consulting, Landon launched Double L Brands to serve small and medium-sized businesses.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchRoswell, GA, United StatesHQ recorded Sep 29, 20261-1015 contacts →

Exact match

“Emerging technology firms, consultants and professional services providers typically don't have the budget for a big agency relationship nor the need for full-time marketing…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchAtlanta, GA, United StatesHQ recorded Sep 29, 202611-5015 contacts →

Exact match

“Community Consulting Teams (CCT) Atlanta is a nonprofit organization whose mission is to help local non-profit organizations address their strategic management challenges through…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchNewberry, SC, United StatesHQ recorded Sep 29, 20261-1015 contacts →

Exact match

“EMILY: Revolutionary Marketing Group LLC was founded with a mission to assist the small business owner with the capabilities and knowledge to compete in today’s fast-paced digital…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261-1015 contacts →

Exact match

“Red Rooster Group is a different kind of marketing design firm - one that cares about what we do and its effect in the world.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 29, 20261-1014 contacts →

Exact match

“Mighty Engine is a Philadelphia-based strategic communications, creative and public engagement agency that helps mission-driven organizations turn complex issues into clear…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchMadison, WI, United StatesHQ recorded Sep 29, 20261-1014 contacts →

Exact match

“The Creative Company supports nonprofits and purpose-driven businesses by providing clear, strategic marketing leadership.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchFairfax, VA, United StatesHQ recorded Sep 29, 202611-5013 contacts →

Exact match

“Stacey Piper Consulting, LLC was established to help small and emerging mid-market businesses and non-profits challenged with advancing their marketing strategy and brand position…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 1,362 volunteering marketing consultants based in the United States

See the full list, filter by size, metro and specialty, and access 1,599 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Volunteering marketing consultants based in the United States at a glance

As of Sep 29, 2026
15.0%Verified-email coverage
7.8Average contacts per company
1-10Median size (employees)
4.3%Largest-city concentration · New York
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
1,213
11-50
125
51-200
19
201-500
1
1,001-5,000
1
10001+
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,362 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 the United States whose business descriptions match “volunteering marketing consultants” 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 1,599 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 29, 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.

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 “volunteering marketing consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many volunteering marketing consultants are there based in the United States?

RevenueBase identified 1,362 company matches for volunteering marketing consultants associated with the 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?

Bank Of The West tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most volunteering marketing consultants?

New York leads with 59 company records, followed by Los Angeles (42) and Atlanta (34).

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 1,599 professional contacts with verified work emails tracked across these 1,362 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 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,362 volunteering marketing consultants based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.