Company lists · Data refreshed September 2026

Top 25 Nonprofit email marketing providers worldwide

RevenueBase identified 797 nonprofit email marketing providers worldwide as of September 2026 and tracks 5,758 professional contacts across them, including 1,923 with verified work emails. The United States is the largest market and London the largest hub.

This list covers nonprofit email marketing providers 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 email marketing providers 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
797Companies
5,758Contacts tracked
1,923Verified emails
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The 25 largest nonprofit email marketing providers worldwide

Ranked by team size
Top 25 of 797 nonprofit email marketing providers worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to nonprofit email marketing providers: 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
1Partial 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
2Indirect evidenceCherry Hill, NJ, United StatesHQ checked Sep 29, 20261,001-5,000342 contacts →

Indirect evidence

“Our motto says it all: We Help People Who Help People.”

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidenceWarrendale, PA, United StatesHQ checked Sep 29, 2026201-500280 contacts →

Partial evidence

“TrueSense Marketing is a full-service, strategic, direct response fundraising agency and direct mail marketing company.”

Source: RevenueBase Database · checked Sep 29, 2026
4Indirect evidenceGlobal, United KingdomHQ checked Sep 29, 2026201-500275 contacts →

Indirect evidence

“Let’s be real.”

Source: RevenueBase Database · checked Sep 29, 2026
5Partial evidencePhoenix, AZ, United StatesHQ checked Sep 29, 202651-200191 contacts →

Partial evidence

“Our mission is to move the needle on global generosity by helping nonprofits better connect with and inspire their supporters.”

Source: RevenueBase Database · checked Sep 29, 2026
6Strong evidenceGainesville, FL, United StatesHQ checked Sep 29, 202651-200143 contacts →

Strong evidence

“Feathr is the marketing and communications platform purpose-built for associations, nonprofits, and arts and culture organizations.”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect 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
8Partial evidenceSt Louis, MO, United StatesHQ checked Sep 29, 202651-200115 contacts →

Partial evidence

“Benchmark helps busy marketers move faster and make a bigger impact with email.”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceLondon, United KingdomHQ checked Sep 29, 202651-20091 contacts →

Indirect evidence

“At EmailClub, we are building the strongest CRM team on the market.”

Source: RevenueBase Database · checked Sep 29, 2026
10Strong evidenceDoylestown, PA, United StatesHQ checked Sep 29, 202651-20090 contacts →

Strong evidence

“For over 20 years, AWeber has helped entrepreneurs and small business owners connect with their prospects and customers through powerfully-simple email marketing solutions.”

Source: RevenueBase Database · checked Sep 29, 2026
11Strong evidenceTucson, AZ, United StatesHQ checked Sep 29, 202651-20056 contacts →

Strong evidence

“Streetlight Digital is a full-spectrum nonprofit fundraising and marketing partner.”

Source: RevenueBase Database · checked Sep 29, 2026
12Partial evidenceWilloughby, OH, United StatesHQ checked Sep 29, 202651-20056 contacts →

Partial evidence

“For more than 30 years, MCR has helped education, healthcare and nonprofit partners reach their fundraising potential.”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceBristol, United KingdomHQ checked Sep 29, 202651-20052 contacts →

Indirect evidence

“NTT is where inspiring conversations happen.”

Source: RevenueBase Database · checked Sep 29, 2026
14Indirect evidenceHorsham, PA, United StatesHQ checked Sep 29, 2026501-1,00047 contacts →

Indirect evidence

“Grow your donors … Retain your donors … Raise more with your donors.”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 202611-5044 contacts →

Indirect evidence

“Faircom New York, awarded as the Best Full Service Fundraising Agency in New York in 2015 and 2016 by Wealth and Finance International, is an international fundraising and…”

Source: RevenueBase Database · checked Sep 29, 2026
16Partial evidenceZoetermeer, NetherlandsHQ checked Sep 29, 202651-20043 contacts →

Partial evidence

“Veel marketeers vinden het moeilijk om zelf goed e-mail marketing toe te passen.”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidenceDallas, TX, United StatesHQ checked Sep 29, 202611-5041 contacts →

Indirect evidence

“At iDonate, we believe the moment a donor feels inspired should be the moment they can give-without friction, redirects, or lost momentum.”

Source: RevenueBase Database · checked Sep 29, 2026
18Partial evidenceColumbia, MD, United StatesHQ checked Sep 29, 202651-20041 contacts →

Partial evidence

“Exceptional Direct Mail Production and Online Fundraising Solutions PMG appreciates that you have an important mission, and that compelling direct marketing campaigns are…”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceFreiburg, GermanyHQ checked Sep 29, 202611-5034 contacts →

Indirect evidence

“rapidmail ist die einfach gute Newsletter-Software „made in Germany” Als Teil des digitalen Ökosystems von Positive lassen sich mit Positive rapidmail mit nur wenigen Klicks…”

Source: RevenueBase Database · checked Sep 29, 2026
20Strong evidenceSt Petersburg, FL, RussiaHQ checked Sep 29, 202611-5032 contacts →

Strong evidence

“VerticalResponse provides email and social media marketing solutions for small businesses and nonprofit organizations.”

Source: RevenueBase Database · checked Sep 29, 2026
21Partial evidenceSainte-anne-de-bellevue, QC, CanadaHQ checked Sep 29, 202611-5030 contacts →

Partial evidence

“For more than three decades, Societ has stood beside nonprofit organizations of every size and scope, from grassroots community groups to global changemakers, helping them…”

Source: RevenueBase Database · checked Sep 29, 2026
22Indirect evidenceLondon, United KingdomHQ checked Sep 29, 202611-5030 contacts →

Indirect evidence

“Are you a fundraiser wanting to increase online donations?”

Source: RevenueBase Database · checked Sep 29, 2026
23Partial evidenceLondon, United KingdomHQ checked Sep 29, 202611-5030 contacts →

Partial evidence

“Since 2013, mailercloud has expanded to become one of the largest and most extensive cloud-based email services, that resolves the task of reliably delivering emails on behalf of…”

Source: RevenueBase Database · checked Sep 29, 2026
24Strong evidenceLondon, United KingdomHQ checked Sep 29, 202611-5029 contacts →

Strong evidence

“KlickTipp offers innovative email marketing and marketing automation services and it is the first learning email marketing solution with unique tagging system.”

Source: RevenueBase Database · checked Sep 29, 2026
25Strong evidenceIndore, IndiaHQ checked Sep 29, 202611-5028 contacts →

Strong evidence

“SMTP Mailer Provides best email marketing services, we are in first position in reputed email marketing company across the world.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 797 nonprofit email marketing providers worldwide

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Nonprofit email marketing providers worldwide at a glance

As of Sep 29, 2026
33.4%Verified-email coverage
7.2Average contacts per company
1-10Median size (employees)
3.5%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
554
11-50
192
51-200
31
201-500
11
501-1,000
3
1,001-5,000
2

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 email marketing providers, 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 email marketing providers are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “nonprofit email marketing providers”. 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 email marketing providers), 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 email marketing providers, 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, 1,923 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 email marketing providers by location

5 lists · largest first

Every Nonprofit email marketing providers 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 email marketing providers, 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 email marketing providers are there worldwide?

RevenueBase identified 797 nonprofit email marketing providers 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?

RKD Group, headquartered in Plano, tops this list with the largest team on record.

Which country has the most nonprofit email marketing providers?

The United States leads with 251 companies, followed by the United Kingdom (61) and Canada (34). Every nonprofit email marketing providers list by country and city is linked on this page.

Which city has the most nonprofit email marketing providers?

London leads with 28 headquartered companies, followed by New York (14) and Toronto (11).

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 1,923 verified decision-maker contacts tracked across these 797 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.