Company lists · Data refreshed October 2026

Top 25 Email marketing agencies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 16,654 companies tracked

RevenueBase identified 16,654 company matches for email marketing agencies worldwide as of October 2026 and tracks 112,215 professional contacts across them, including 22,308 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for 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 October 1, 2026. Country and city lists for 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 Oct 1, 2026 How this list was built

16,654Companies

112,215Contacts tracked

22,308Verified emails

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The 25 largest email marketing agencies worldwide

Ranked by team size

Top 25 of 16,654 company matches for email marketing agencies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	Constant Contact	Exact match	Waltham, MA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,611 contacts →
	Exact match “We deliver for small businesses with powerful tools to simplify and amplify digital marketing.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Intuit Mailchimp	Exact match	Atlanta, GA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,483 contacts →
	Exact match “The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Insider	Exact match	Istanbul, TürkiyeHQ recorded Oct 1, 2026	1,001-5,000	1,036 contacts →
	Exact match “Insider-one platform for individualized, cross-channel experiences-enables enterprise marketers to connect customer data across channels and systems, predict their future behavior…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Quadcubes	Exact match	Kozhikode, IndiaHQ recorded Oct 1, 2026	n/a	989 contacts →
	Exact match “We're not that yet another, ordinary marketing agency!” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Moengage	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	501-1,000	908 contacts →
	Exact match “MoEngage is an agentic customer engagement platform for the customer-obsessed marketers and product owners.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	NP Digital	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	866 contacts →
	Exact match “Neil Patel has been recognized by the Wall Street Journal, Forbes, and the United Nations, to name a few, as one of the most influential and successful marketers and entrepreneurs…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Marigold	Exact match	Nashville, TN, United StatesHQ recorded Oct 1, 2026	201-500	820 contacts →
	Exact match “Marigold is a global marketing technology company focused on delivering relationship marketing solutions for growing organizations.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	BREVO	Exact match	Paris, FranceHQ recorded Oct 1, 2026	501-1,000	781 contacts →
	Exact match “Brevo offers the most intuitive Customer Platform for the sustainable growth of all businesses and organizations (including nonprofits).” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Clevertap	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	501-1,000	702 contacts →
	Exact match “CleverTap is the leading all-in-one customer engagement platform that helps brands unlock limitless customer lifetime value.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Adobe Marketo	Exact match	San Jose, CA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	572 contacts →
	Exact match “Adobe Marketo Engage offers the leading Engagement Platform that empowers marketers to build brand value, grow revenue, and prove impact.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Smart Solutions	Exact match	United StatesHQ recorded Oct 1, 2026	n/a	534 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Dotdigital	Exact match	London Bridge, United KingdomHQ recorded Oct 1, 2026	201-500	491 contacts →
	Exact match “Dotdigital is a human-first marketing platform that helps you connect with your customers on the channels they know and love.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Sg360	Exact match	Wheeling, IL, United StatesHQ recorded Oct 1, 2026	501-1,000	477 contacts →
	Exact match “sg360° can help you identify and connect with your best prospects 1:1, both offline and on.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	customer.io	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	201-500	446 contacts →
	Exact match “Create personalized customer journeys that engage and convert with our versatile customer engagement platform.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Hansa Cequity	Exact match	Kurla (w), IndiaHQ recorded Oct 1, 2026	201-500	415 contacts →
	Exact match “Hansa Cequity is a data-driven, technology-enabled marketing consulting company.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	MAPP	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	373 contacts →
	Exact match “Mapp helps marketers build personalized customer experiences through our SaaS platform, Mapp Marketing Cloud.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Aptroid Consulting India Pvt. LTD	Exact match	Hyderabad, IndiaHQ recorded Oct 1, 2026	501-1,000	354 contacts →
	Exact match “Aptroid Consulting (India) PVT.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	marketing.com	Exact match	Eureka, MO, United StatesHQ recorded Oct 1, 2026	1,001-5,000	309 contacts →
	Exact match “From click to print and everything in between, we’re not changing marketing, just how it’s done.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Listrak	Exact match	Lititz, PA, United StatesHQ recorded Oct 1, 2026	201-500	295 contacts →
	Exact match “Listrak is the person-first marketing automation platform that seamlessly integrates data, identity, and cross-channel messaging to power hyper-personalized customer experiences.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Aspen Marketing	Exact match	Irving, TX, United StatesHQ recorded Oct 1, 2026	5,001-10,000	280 contacts →
	Exact match “Aspen Marketing Services was acquired by Epsilon, an all-encompassing global marketing innovator, in 2011.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Omnisend	Exact match	Global, United KingdomHQ recorded Oct 1, 2026	201-500	275 contacts →
	Exact match “Let’s be real.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Medier Agency	Exact match	United StatesHQ recorded Oct 1, 2026	51-200	270 contacts →
	Exact match “Medier is more than just a marketing agency.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Tangence	Exact match	San Jose, CA, United StatesHQ recorded Oct 1, 2026	201-500	205 contacts →
	Exact match “Tangence accelerates marketing execution for companies more efficiently than in-house teams or other agencies.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Brkthru	Exact match	Southfield, MI, United StatesHQ recorded Oct 1, 2026	51-200	190 contacts →
	Exact match “We founded Brkthru in 2017 with a focus on what we believe to be missing in our industry – SERVICE.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	BIZIQ	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	51-200	184 contacts →
	Exact match “BizIQ: Redefining Digital Marketing Excellence.” Recorded in the RevenueBase company graph · Oct 1, 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 “email 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 16,654 email marketing agencies worldwide

See the full list, filter by size, metro and specialty, and access 22,308 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Email marketing agencies worldwide at a glance

As of Oct 1, 2026

19.9%Verified-email coverage

6.7Average contacts per company

1-10Median size (employees)

2.1%Largest-city concentration · London

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11,697

11-50

4,095

51-200

631

201-500

141

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 email marketing agencies are linked below.
What qualifies: Company records worldwide whose business descriptions match “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 22,308 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 October 1, 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.

Email marketing agencies by location

91 lists · largest first

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

How many email marketing agencies are there worldwide?

RevenueBase identified 16,654 company matches for email marketing agencies worldwide as of October 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?

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

Which country has the most email marketing agencies?

The United States leads with 4,137 companies, followed by India (1,948) and the United Kingdom (1,098). Every email marketing agencies list by country and city is linked on this page.

Which city has the most email marketing agencies?

London leads with 355 company records, followed by New York (214) and Pune (154).

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 22,308 professional contacts with verified work emails tracked across these 16,654 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 October 1, 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.