Company lists · Data refreshed September 2026

Top 25 Nonprofit marketing consultants worldwide

RevenueBase identified 26,016 nonprofit marketing consultants worldwide as of September 2026 and tracks 127,506 professional contacts across them, including 20,323 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers nonprofit marketing consultants worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026. Country and city lists for nonprofit marketing consultants follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
26,016Companies
127,506Contacts tracked
20,323Verified emails
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The 25 largest nonprofit marketing consultants worldwide

Ranked by team size
Top 25 of 26,016 nonprofit marketing consultants worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to nonprofit marketing consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceBrazilHQ checked Sep 29, 2026n/a26,862 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026
2Partial evidenceChicago, IL, United StatesHQ checked Sep 29, 2026n/a4,751 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidenceWestport, CT, United StatesHQ checked Sep 29, 2026n/a1,650 contacts →

Partial evidence

“MCAworks is a strategic marketing consulting firm passionately dedicated to helping our clients accelerate and sustain business growth.”

Source: RevenueBase Database · checked Sep 29, 2026
4Strong evidenceLos Angeles, CA, United StatesHQ checked Sep 29, 202610001+756 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
5Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 2026501-1,000728 contacts →

Indirect evidence

“For over 75 years, CCS Fundraising has empowered many of the world’s greatest organizations to advance some of the most important causes in history.”

Source: RevenueBase Database · checked Sep 29, 2026
6Partial evidencePlano, TX, United StatesHQ checked Sep 29, 2026201-500492 contacts →

Partial evidence

“RKD Group is the trusted growth architect for nonprofits.”

Source: RevenueBase Database · checked Sep 29, 2026
7Partial evidenceAlexandria, VA, United StatesHQ checked Sep 29, 2026201-500282 contacts →

Partial evidence

“Reingold is a full-service strategic communications and marketing firm, helping clients tell stories that get results.”

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidenceHeverlee, BelgiumHQ checked Sep 29, 2026n/a273 contacts →

Indirect evidence

“we are there now.”

Source: RevenueBase Database · checked Sep 29, 2026
9Partial evidenceChicago, IL, United StatesHQ checked Sep 29, 2026n/a265 contacts →

Partial evidence

“JCA is the first and foremost independent consulting firm dedicated to addressing the technology and operational needs of nonprofits.”

Source: RevenueBase Database · checked Sep 29, 2026
10Partial evidenceBeverly Hills, NY, United StatesHQ checked Sep 29, 202651-200247 contacts →

Partial evidence

“The Lede Company is a full-service strategy, communications and social impact consulting firm, specializing in corporate, entertainment, brand and nonprofit sectors.”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceMumbai, IndiaHQ checked Sep 29, 202651-200240 contacts →

Indirect evidence

“Mercadeo strategies are embedded in a sound foundation of proven, time tested business fundamentals, a deep understanding of different market dynamics and intimate knowledge of…”

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceWashington, United StatesHQ checked Sep 29, 202651-200208 contacts →

Indirect evidence

“We are M+R.”

Source: RevenueBase Database · checked Sep 29, 2026
13Partial evidenceLeiden, NetherlandsHQ checked Sep 29, 202651-200195 contacts →

Partial evidence

“De Kleine Consultant maakt Kleine Consultants en haar klanten groot door strategisch advies te bieden daar waar het de meeste waarde toevoegt.”

Source: RevenueBase Database · checked Sep 29, 2026
14Partial evidenceChagrin Falls, United StatesHQ checked Sep 29, 2026n/a195 contacts →

Partial evidence

“At Boom, we develop cross-media strategic marketing and public relations for our clients that convince their target audience to solicit their business, attend their event or…”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceCaba, IndiaHQ checked Sep 29, 202651-200159 contacts →

Indirect evidence

“Somos una consultora en estrategia y comunicación que trabaja junto a las compañías y líderes más innovadores del mundo para transmitir de forma disruptiva y creativa el impacto…”

Source: RevenueBase Database · checked Sep 29, 2026
16Partial evidenceCambridge, MA, United StatesHQ checked Sep 29, 202651-200144 contacts →

Partial evidence

“Harvard Undergraduate Consulting Group is a nonprofit student organization at Harvard dedicated to helping businesses grow and achieve their strategic goals.”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidenceFargo, ND, United StatesHQ checked Sep 29, 202651-200137 contacts →

Indirect evidence

“AGP partners with mission-driven organizations nationwide to strengthen donor engagement and support long-term, sustainable performance.”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidenceBoston, MA, United StatesHQ checked Sep 29, 202611-50133 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026
19Partial evidenceScarsdale, NY, United StatesHQ checked Sep 29, 202611-50131 contacts →

Partial evidence

“The Acceleration Project (TAP) is a nonprofit organization with a mission to unlock pathways to wealth creation and economic mobility by accelerating under-resourced small…”

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidenceLondon, United KingdomHQ checked Sep 29, 2026201-500130 contacts →

Indirect evidence

“Instinctif UK has officially rebranded to TEAM LEWIS.”

Source: RevenueBase Database · checked Sep 29, 2026
21Partial evidenceUsa, United StatesHQ checked Sep 29, 202651-200125 contacts →

Partial evidence

“BWF Zuri is the nonprofit sector’s most comprehensive fundraising consulting company, helping organizations thrive in a rapidly changing landscape.”

Source: RevenueBase Database · checked Sep 29, 2026
22Strong evidenceBerkeley, CA, United StatesHQ checked Sep 29, 202651-200112 contacts →

Strong evidence

“Our team of expert consultants develops innovative direct marketing-driven donor development programs for exceptional nonprofit causes like yours.”

Source: RevenueBase Database · checked Sep 29, 2026
23Partial evidenceMount Juliet, TN, United StatesHQ checked Sep 29, 202651-200112 contacts →

Partial evidence

“Our number one priority at JMT is to empower nonprofits to achieve their mission through optimized systems and processes.”

Source: RevenueBase Database · checked Sep 29, 2026
24Partial evidenceRiyadh, Saudi ArabiaHQ checked Sep 29, 202651-200111 contacts →

Partial evidence

“At Masheed, we create marketing, communication, and creative solutions with a holistic, strategic approach.”

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceSantiago, ChileHQ checked Sep 29, 202611-50111 contacts →

Indirect evidence

“Sámara es una consultora de comunicaciones que desde sus inicios en 2005, ha buscado contribuir a cargar de sentido las comunicaciones de instituciones, organismos, empresas y…”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 26,016 nonprofit marketing consultants worldwide

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Nonprofit marketing consultants worldwide at a glance

As of Sep 29, 2026
15.9%Verified-email coverage
4.9Average contacts per company
1-10Median size (employees)
1.5%Largest-city concentration · New York
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
22,507
11-50
3,045
51-200
351
201-500
57
501-1,000
17
1,001-5,000
8
5,001-10,000
1
10001+
9

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among nonprofit marketing consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for nonprofit marketing consultants are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “nonprofit marketing consultants”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names nonprofit marketing consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among nonprofit marketing consultants, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 20,323 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Nonprofit marketing consultants by location

121 lists · largest first

Every Nonprofit marketing consultants 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names nonprofit marketing consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many nonprofit marketing consultants are there worldwide?

RevenueBase identified 26,016 nonprofit marketing consultants worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Prefeitura Municipal, headquartered in Worldwide, tops this list with the largest team on record.

Which country has the most nonprofit marketing consultants?

The United States leads with 9,359 companies, followed by the United Kingdom (1,250) and Canada (1,064). Every nonprofit marketing consultants list by country and city is linked on this page.

Which city has the most nonprofit marketing consultants?

New York leads with 397 headquartered companies, followed by London (389) and Toronto (257).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 20,323 verified decision-maker contacts tracked across these 26,016 companies.

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.

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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 Smart Search, 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.