Company lists · Data refreshed September 2026

Top 25 Nonprofit email marketing agencies worldwide

RevenueBase identified 2,706 company matches for nonprofit email marketing agencies worldwide as of September 2026 and tracks 22,948 professional contacts across them, including 4,400 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for nonprofit email 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 29, 2026. Country and city lists for nonprofit email 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 29, 2026 How this list was built
2,706Companies
22,948Contacts tracked
4,400Verified emails
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The 25 largest nonprofit email marketing agencies worldwide

Ranked by team size
Top 25 of 2,706 company matches for nonprofit email marketing agencies worldwide, 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 matchPlano, TX, United StatesHQ recorded Sep 29, 2026201-500492 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchCherry Hill, NJ, United StatesHQ recorded Sep 29, 20261,001-5,000342 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchWarrendale, PA, United StatesHQ recorded Sep 29, 2026201-500280 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchGlobal, United KingdomHQ recorded Sep 29, 2026201-500275 contacts →

Exact match

“Let’s be real.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchGainesville, FL, United StatesHQ recorded Sep 29, 202651-200143 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchFargo, ND, United StatesHQ recorded Sep 29, 202651-200137 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchMorrisville, NC, United StatesHQ recorded Sep 29, 202651-200137 contacts →

Exact match

“We believe powerful connections propel business growth.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchSt Louis, MO, United StatesHQ recorded Sep 29, 202651-200115 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchToronto, ON, CanadaHQ recorded Sep 29, 2026501-1,000113 contacts →

Exact match

“iMarketing is North America’s pre-eminent integrated direct-marketing services company.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchBerkeley, CA, United StatesHQ recorded Sep 29, 202651-200112 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchBarcelona, EstoniaHQ recorded Sep 29, 202651-200112 contacts →

Exact match

“A global Email Marketing Agency to help supercharge #ecommerce revenues with highly specialised #EmailMarketing services Hit us up for a Free Marketing Audit”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchWest Des Moines, IA, United StatesHQ recorded Sep 29, 202651-200109 contacts →

Exact match

“In business since 1962, The Stelter Company is an integrated marketing agency that provides nonprofits with the insights and strategies needed to optimize revenue across the…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-200102 contacts →

Exact match

“Underground Ecom is a rapidly growing Email marketing agency specialising in helping ecommerce businesses reach their full potential through retention marketing.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchMonrovia, CA, United StatesHQ recorded Sep 29, 202651-20095 contacts →

Exact match

“OUR AGENCY: BDI is a full-service, omni-channel, marketing and fundraising agency for nonprofits.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchMelbourne, AustraliaHQ recorded Sep 29, 2026n/a95 contacts →

Exact match

“We are not a normal marketing agency.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-20091 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchFreiburg, GermanyHQ recorded Sep 29, 202651-20090 contacts →

Exact match

“Inxmail ist der serviceorientierte Tech-Spezialist für sichere, datengetriebene Kommunikation im E-Mail-Marketing.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchDoylestown, PA, United StatesHQ recorded Sep 29, 202651-20090 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchToronto, CanadaHQ recorded Sep 29, 202611-5090 contacts →

Exact match

“Our mission is to provide leadership to nonprofit organizations in using new technologies to market, fundraise, advocate and brand build more effectively.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchAtlanta, GA, United StatesHQ recorded Sep 29, 202651-20083 contacts →

Exact match

“At MarkeTeam, we’ve spent the past 30 years doing good work that does good.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchCoral Springs, FL, United StatesHQ recorded Sep 29, 202651-20079 contacts →

Exact match

“Site Impact is your trusted, turnkey partner that empowers agencies with one of the country's largest, data-driven, multichannel marketing solutions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchChalgrove, United KingdomHQ recorded Sep 29, 202611-5072 contacts →

Exact match

“Founded in 2004, 1973 Ltd is an experienced, proven marketing agency who specialise in email and automation.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchSanta Clara, CA, United StatesHQ recorded Sep 29, 202651-20071 contacts →

Exact match

“WE ARE MARRINA One of the most time-consuming yet highly-valuable aspects of the marketer’s role is Email Production.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202651-20070 contacts →

Exact match

“Media Cause is a mission-driven marketing and creative agency that helps nonprofits grow and accelerate their impact.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchNoida Sector 63, IndiaHQ recorded Sep 29, 202651-20070 contacts →

Exact match

“We are Mify Solutions Pvt Ltd.”

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

Showing 25 of 2,706 nonprofit email marketing agencies worldwide

See the full list, filter by size, metro and specialty, and access 4,400 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit email marketing agencies worldwide at a glance

As of Sep 29, 2026
19.2%Verified-email coverage
8.5Average contacts per company
1-10Median size (employees)
3.1%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
2,056
11-50
513
51-200
99
201-500
20
501-1,000
6
1,001-5,000
5

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 nonprofit email marketing agencies are linked below.
What qualifies
Company records worldwide whose business descriptions match “nonprofit email 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 4,400 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.

Nonprofit email marketing agencies by location

12 lists · largest first

Every Nonprofit email 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 “nonprofit email marketing agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit email marketing agencies are there worldwide?

RevenueBase identified 2,706 company matches for nonprofit email 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?

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

Which country has the most nonprofit email marketing agencies?

The United States leads with 974 companies, followed by the United Kingdom (192) and Canada (109). Every nonprofit email marketing agencies list by country and city is linked on this page.

Which city has the most nonprofit email marketing agencies?

London leads with 85 company records, followed by New York (51) and Toronto (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 4,400 professional contacts with verified work emails tracked across these 2,706 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.

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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.