Company lists · Data refreshed September 2026

Top 25 B2B newsletter platforms worldwide

RevenueBase identified 563 B2B newsletter platforms worldwide as of September 2026 and tracks 5,091 professional contacts across them, including 1,425 with verified work emails and 864 with mobile numbers. The United States is the largest market and London the largest hub.

This list covers B2B newsletter platforms 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 2, 2026. Country and city lists for B2B newsletter platforms 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 RevenueBase Smart Search rating on every row Refreshed Sep 2, 2026 86% judged on-target in blind review
563Companies
5,091Contacts tracked
1,425Verified emails
864Mobile numbers
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The 25 largest B2B newsletter platforms worldwide

Ranked by team size
Top 25 of 563 B2B newsletter platforms worldwide, ranked by team size, largest first. Data refreshed Sep 2, 2026. RevenueBase Smart Search rates how each company's information relates to B2B newsletter platforms: 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 evidenceGlobal, GB201-500270 contacts →

Indirect evidence

“Let’s be real.”

Source: RevenueBase Database · checked Sep 2, 2026
2Indirect evidenceMorrisville, NC, US51-200136 contacts →

Indirect evidence

“We believe powerful connections propel business growth.”

Source: RevenueBase Database · checked Sep 2, 2026
3Indirect evidenceSan Francisco, CA, US51-200118 contacts →

Indirect evidence

“In 2005, we started as a web design agency, but we soon discovered email marketing and fell in love with it.”

Source: RevenueBase Database · checked Sep 2, 2026
4Indirect evidenceSt Louis, MO, US51-200116 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 2, 2026
5Indirect evidenceLondon, GB51-200103 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 2, 2026
6Indirect evidenceAubervilliers, FR51-200100 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 2, 2026
7Indirect evidenceSheridan, WY, US51-20097 contacts →

Indirect evidence

“We are Right Pace TechMedia, founded in 2017, headquartered in WY, USA, with 2 operational centers in Pune, India.”

Source: RevenueBase Database · checked Sep 2, 2026
8Indirect evidenceDoylestown, PA, US51-20093 contacts →

Indirect 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 2, 2026
9Indirect evidenceMulhouse, FR51-20091 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 2, 2026
10Indirect evidenceSan Francisco, CA, US11-5084 contacts →

Indirect evidence

“Mailmodo is a complete email marketing solution enabling users to create and send app-like interactive emails to improve email conversions.”

Source: RevenueBase Database · checked Sep 2, 2026
11Indirect evidenceSan Francisco, CA, US51-20076 contacts →

Indirect evidence

“Flodesk makes simple, intuitive software tools to help entrepreneurs grow their businesses.”

Source: RevenueBase Database · checked Sep 2, 2026
12Indirect evidenceSan Mateo, CA, US51-20071 contacts →

Indirect evidence

“At Litmus, we know the importance of continuous innovation.”

Source: RevenueBase Database · checked Sep 2, 2026
13Partial evidenceNew York, NY, US51-20065 contacts →

Partial evidence

“We help publishers around the world save time and increase performance with newsletter and social media automation”

Source: RevenueBase Database · checked Sep 2, 2026
14Indirect evidenceSanta Monica, CA, US11-5058 contacts →

Indirect evidence

“Nimble is your CRM for smarter email marketing, engagement, and business growth.”

Source: RevenueBase Database · checked Sep 2, 2026
15Indirect evidenceBarcelona, ES11-5050 contacts →

Indirect evidence

“Automatically target customers based on how they interact across all channels: email, SMS, Facebook Messenger.”

Source: RevenueBase Database · checked Sep 2, 2026
16Partial evidenceMiami, FL, US11-5049 contacts →

Partial evidence

“Letterhead is the Newsletter Execution System built for teams that want to do more with email.”

Source: RevenueBase Database · checked Sep 2, 2026
17Indirect evidenceOttawa, ON, CA51-20047 contacts →

Indirect evidence

“SMTP is one of the early pioneers of cloud-based email services and is now part of Ziff Davis, Moz Group and Campaigner.”

Source: RevenueBase Database · checked Sep 2, 2026
18Indirect evidenceSan Diego, CA, US51-20046 contacts →

Indirect evidence

“Truly unified email, SMS, reviews, and forms.”

Source: RevenueBase Database · checked Sep 2, 2026
19Indirect evidenceDa, NL51-20043 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 2, 2026
20Partial evidenceSan Mateo, CA, US51-20038 contacts →

Partial evidence

“iPost is a leading email-sending platform purpose-built to solve real challenges in highly regulated and other data- and content-sensitive industries, including gaming, legal…”

Source: RevenueBase Database · checked Sep 2, 2026
21Partial evidenceDenver, CO, US201-50038 contacts →

Partial evidence

“SendGrid is a proven cloud-based customer communication platform that successfully delivers over 45 billion emails each month for Internet and mobile-based customers like Airbnb…”

Source: RevenueBase Database · checked Sep 2, 2026
22Partial evidenceSeattle, WA, US51-20037 contacts →

Partial evidence

“WhatCounts is an email marketing and personalization platform empowering marketers to elevate customer targeting and daily email strategy and execution.”

Source: RevenueBase Database · checked Sep 2, 2026
23Indirect evidenceBarcelona, ES11-5036 contacts →

Indirect evidence

“Mailsuite is a suite of tools to boost your relationships through email, with over 2 million active users.”

Source: RevenueBase Database · checked Sep 2, 2026
24Partial evidenceBoise, ID, US51-20036 contacts →

Partial evidence

“Kit (formerly ConvertKit) helps serious creators like yourself craft epic emails, create powerful automations, and manage their audience all in a simple, intuitive platform.”

Source: RevenueBase Database · checked Sep 2, 2026
25Indirect evidenceAmsterdam, NL11-5035 contacts →

Indirect evidence

“Copernica is marketingsoftware voor e-mailmarketing, websites, mobiele- en geautomatiseerde campagnes.”

Source: RevenueBase Database · checked Sep 2, 2026

Showing 25 of 563 B2B newsletter platforms worldwide

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B2B newsletter platforms worldwide at a glance

As of Sep 2, 2026
28.0%Verified-email coverage
17.0%Mobile-number coverage
9.0Average contacts per company
1-10Median size (employees)
8.0%Largest-city concentration · London
Sep 2, 2026Page data refreshed

Companies by employee count

1-10
314
11-50
166
51-200
48
201-500
14
501-1,000
3
1,001-5,000
3

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 B2B newsletter platforms, 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
7 countries, largest first: the United States, the United Kingdom, France, Germany, Canada, the Netherlands, Spain. Country and city lists for B2B newsletter platforms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “B2B newsletter platforms”. 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 B2B newsletter platforms), 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 B2B newsletter platforms, 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, 1,425 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 2, 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.

B2B newsletter platforms by location

9 lists · largest first

Every B2B newsletter platforms 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 B2B newsletter platforms, 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 B2B newsletter platforms are there worldwide?

RevenueBase identified 563 B2B newsletter platforms 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?

Omnisend, headquartered in Global, tops this list with the largest team on record.

Which country has the most B2B newsletter platforms?

The United States leads with 281 companies, followed by the United Kingdom (104) and France (47). Every B2B newsletter platforms list by country and city is linked on this page.

Which city has the most B2B newsletter platforms?

London leads with 45 headquartered companies, followed by New York (29) and Paris (18).

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 1,425 verified decision-maker contacts tracked across these 563 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 2, 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.