Company lists · Data refreshed October 2026
Top 25 Email testing software companies worldwide
RevenueBase identified 95 company matches for email testing software companies worldwide as of October 2026 and tracks 931 professional contacts across them, including 126 with verified work emails. The United States is the largest market and New York the largest hub.
This list covers company matches for email testing software companies 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 testing software companies 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.
The 25 largest email testing software companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 70 contacts → | ||||
Exact match “At Litmus, we know the importance of continuous innovation.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 2 | 47 contacts → | ||||
Exact match “All the email marketing and delivery tools you need to communicate with your customers.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 3 | 46 contacts → | ||||
Exact match “CleverReach ist eine der führenden Lösungen für E-Mail Marketing.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 4 | 43 contacts → | ||||
Exact match “Veel marketeers vinden het moeilijk om zelf goed e-mail marketing toe te passen.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 5 | 36 contacts → | ||||
Exact match “Put your best email forward with Email on Acid!” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 6 | 26 contacts → | ||||
Exact match “Bei MAILINGWORK haben wir uns auf die Entwicklung eines hochwertigen E-Mail Marketing Tools spezialisiert, um den anspruchsvollen Anforderungen im Mittelstand und…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 7 | 26 contacts → | ||||
Exact match “Empower your team to create, innovate, and grow with the Dyspatch Email Builder.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 8 | 25 contacts → | ||||
Exact match “GlockApps Software is a privately held company that offers multiple email marketing solutions to help businesses reach the inbox and solve email deliverability issues.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 9 | 23 contacts → | ||||
Exact match “Inbox Monster helps email teams send epic messages to every inbox.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 10 | 21 contacts → | ||||
Exact match “XQueue wurde 2002 in Offenbach am Main in gegründet.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 11 | 19 contacts → | ||||
Exact match “Modern email delivery for developer and product teams in growing digital companies.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 12 | 14 contacts → | ||||
Exact match “Mailosaur helps businesses capture, test, design, and analyze email and SMS.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 13 | 14 contacts → | ||||
Exact match “Mittum es la Herramienta de email marketing perteneciente al Grupo VIKO, con una trayectoria de más de 13 años en envío y monitorización de campañas de email, bien sean de…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 14 | 13 contacts → | ||||
Exact match “Smarter, high-volume email delivery software for tech leaders & marketers.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 15 | 11 contacts → | ||||
Exact match “Email marketing software for media, publishing, and brand engagement.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “Postmastery is dedicated to helping senders maximise their email performance and deliverability with a range of software, tooling and consulting solutions.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “e-Village, trendsetter and leading email marketing agency in The Netherlands, offers state-of-the-art software and an extensive range of services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 18 | 4 contacts → | ||||
Exact match “StoryPorts helps distributed teams create, review, test, and ship better email campaigns from start to finish.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “Are you looking for email marketing specialists?” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “Code, preview, and collaborate using the development platform designed for email.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “Your Design.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “We only serve those who are serious about email marketing so that our customers don't bear the cost of thousands of smaller free accounts.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match “Developing professional email marketing products and online services for small to medium sized companies all over the world.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “Marketers use Tabular's intuitive tool to design high-performing emails for desktop and mobile, without seeing a single line of code.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “WizEmail is an email marketing company formed by marketing specialists totalling decades of years experience in the direct marketing, internet and publishing sectors.” 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 testing software companies”. 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 95 email testing software companies worldwide
See the full list, filter by size, metro and specialty, and access 126 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Email testing software companies worldwide at a glance
As of Oct 1, 2026Companies by employee count
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 testing software companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “email testing software companies” 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 126 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 testing software companies by location
1 lists · largest firstEvery Email testing software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 testing software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many email testing software companies are there worldwide?
RevenueBase identified 95 company matches for email testing software companies 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?
Litmus tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most email testing software companies?
The United States leads with 28 companies. Every email testing software companies list by country and city is linked on this page.
Which city has the most email testing software companies?
New York leads with 4 company records, followed by Delhi (3) and Da (2).
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 126 professional contacts with verified work emails tracked across these 95 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.
Ready to reach these companies? Verified emails and direct dials for all 95 email testing software companies worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 email testing software companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 95 matching company records for email testing software companies worldwide, with 931 tracked contacts and 126 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 email testing software companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Litmuslitmus.comHQ: Cambridge, MA, United StatesReported employees: 51-200 | Cambridge, MA, United States | 51-200 | Exact match | 70 contacts → |
“At Litmus, we know the importance of continuous innovation.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Elastic Emailelasticemail.comHQ: Szczecin, PolandReported employees: 11-50 | Szczecin, Poland | 11-50 | Exact match | 47 contacts → |
“All the email marketing and delivery tools you need to communicate with your customers.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Cleverreachcleverreach.comHQ: Rastede, GermanyReported employees: 11-50 | Rastede, Germany | 11-50 | Exact match | 46 contacts → |
“CleverReach ist eine der führenden Lösungen für E-Mail Marketing.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Blinkerspotler.comHQ: Zoetermeer, NetherlandsReported employees: 51-200 | Zoetermeer, Netherlands | 51-200 | Exact match | 43 contacts → |
“Veel marketeers vinden het moeilijk om zelf goed e-mail marketing toe te passen.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Sinch Email On Acidemailonacid.comHQ: Centennial, CO, United StatesReported employees: 11-50 | Centennial, CO, United States | 11-50 | Exact match | 36 contacts → |
“Put your best email forward with Email on Acid!” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Mailingwork - Positivemailingwork.deHQ: Chemnitz, GermanyReported employees: 51-200 | Chemnitz, Germany | 51-200 | Exact match | 26 contacts → |
“Bei MAILINGWORK haben wir uns auf die Entwicklung eines hochwertigen E-Mail Marketing Tools spezialisiert, um den anspruchsvollen Anforderungen im Mittelstand und…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Dyspatchdyspatch.ioHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 26 contacts → |
“Empower your team to create, innovate, and grow with the Dyspatch Email Builder.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Glockappsglockapps.comHQ: Pinedale, WY, United StatesReported employees: 11-50 | Pinedale, WY, United States | 11-50 | Exact match | 25 contacts → |
“GlockApps Software is a privately held company that offers multiple email marketing solutions to help businesses reach the inbox and solve email deliverability issues.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Inbox Monsterinboxmonster.comHQ: Charlotte, NC, United StatesReported employees: 11-50 | Charlotte, NC, United States | 11-50 | Exact match | 23 contacts → |
“Inbox Monster helps email teams send epic messages to every inbox.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Xqueue Gmbhmaileon.com HQ: Offenbach Am Main, GermanyReported employees: 11-50 | Offenbach Am Main, Germany | 11-50 | Exact match | 21 contacts → |
“XQueue wurde 2002 in Offenbach am Main in gegründet.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Mailtrapmailtrap.ioHQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 19 contacts → |
“Modern email delivery for developer and product teams in growing digital companies.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mailosaurmailosaur.com HQ: Basingstoke, United KingdomReported employees: 11-50 | Basingstoke, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Mailosaur helps businesses capture, test, design, and analyze email and SMS.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Mittum Viko Groupmittum.comHQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 14 contacts → |
“Mittum es la Herramienta de email marketing perteneciente al Grupo VIKO, con una trayectoria de más de 13 años en envío y monitorización de campañas de email, bien sean de…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Greenarrow Emailgreenarrowemail.comHQ: Schneider, IN, United StatesReported employees: 11-50 | Schneider, IN, United States | 11-50 | Exact match | 13 contacts → |
“Smarter, high-volume email delivery software for tech leaders & marketers.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Postuppostup.comHQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 11 contacts → |
“Email marketing software for media, publishing, and brand engagement.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Postmasterypostmastery.comHQ: Amsterdam-duivendrecht, NetherlandsReported employees: 1-10 | Amsterdam-duivendrecht, Netherlands | 1-10 | Exact match | 6 contacts → |
“Postmastery is dedicated to helping senders maximise their email performance and deliverability with a range of software, tooling and consulting solutions.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | E-Villagee-village.nl HQ: Huis Ter Heide, NetherlandsReported employees: 51-200 | Huis Ter Heide, Netherlands | 51-200 | Exact match | 6 contacts → |
“e-Village, trendsetter and leading email marketing agency in The Netherlands, offers state-of-the-art software and an extensive range of services.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Storyportsstoryports.comHQ: Cincinnati, OH, United StatesReported employees: 11-50 | Cincinnati, OH, United States | 11-50 | Exact match | 4 contacts → |
“StoryPorts helps distributed teams create, review, test, and ship better email campaigns from start to finish.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Adnetis Email Marketingadnetis.comHQ: Gatineau, QC, CanadaReported employees: 1-10 | Gatineau, QC, Canada | 1-10 | Exact match | 4 contacts → |
“Are you looking for email marketing specialists?” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Parcelparcel.io HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 4 contacts → |
“Code, preview, and collaborate using the development platform designed for email.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Panpakepanpake.comHQ: Fleetwood, PA, United StatesReported employees: 1-10 | Fleetwood, PA, United States | 1-10 | Exact match | 3 contacts → |
“Your Design.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Inboxfirstinboxfirst.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 2 contacts → |
“We only serve those who are serious about email marketing so that our customers don't bear the cost of thousands of smaller free accounts.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Octethocteth.comHQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 2 contacts → |
“Developing professional email marketing products and online services for small to medium sized companies all over the world.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Tabulartabular.emailHQ: Amsterdam, NetherlandsReported employees: 1-10 | Amsterdam, Netherlands | 1-10 | Exact match | 2 contacts → |
“Marketers use Tabular's intuitive tool to design high-performing emails for desktop and mobile, without seeing a single line of code.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Wizemailwizemail.co.ukHQ: Croydon, United KingdomReported employees: 1-10 | Croydon, United Kingdom | 1-10 | Exact match | 2 contacts → |
“WizEmail is an email marketing company formed by marketing specialists totalling decades of years experience in the direct marketing, internet and publishing sectors.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 95 company matches
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Email testing software companies: dataset insights
October 1, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
93 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 95 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Email testing software companies by location
1 lists · largest firstEvery Email testing software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for email testing software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many email testing software companies did RevenueBase find worldwide?
The saved snapshot records 95 matching company records, 931 tracked contacts and 126 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 email testing software companies worldwide. Snapshot: October 1, 2026. https://revenuebase.ai/companies/browse/email-testing-software-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 email testing software companies worldwide
RevenueBase records 95 matching company records for email testing software companies worldwide, with 931 tracked contacts and 126 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 email testing software companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Litmuslitmus.com HQ: Cambridge, MA, United StatesReported employees: 51-200 | Cambridge, MA, United States | 51-200 | Exact match | 70 contacts → |
“At Litmus, we know the importance of continuous innovation.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Elastic Emailelasticemail.com HQ: Szczecin, PolandReported employees: 11-50 | Szczecin, Poland | 11-50 | Exact match | 47 contacts → |
“All the email marketing and delivery tools you need to communicate with your customers.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Cleverreachcleverreach.com HQ: Rastede, GermanyReported employees: 11-50 | Rastede, Germany | 11-50 | Exact match | 46 contacts → |
“CleverReach ist eine der führenden Lösungen für E-Mail Marketing.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Blinkerspotler.com HQ: Zoetermeer, NetherlandsReported employees: 51-200 | Zoetermeer, Netherlands | 51-200 | Exact match | 43 contacts → |
“Veel marketeers vinden het moeilijk om zelf goed e-mail marketing toe te passen.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Sinch Email On Acidemailonacid.com HQ: Centennial, CO, United StatesReported employees: 11-50 | Centennial, CO, United States | 11-50 | Exact match | 36 contacts → |
“Put your best email forward with Email on Acid!” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Mailingwork - Positivemailingwork.de HQ: Chemnitz, GermanyReported employees: 51-200 | Chemnitz, Germany | 51-200 | Exact match | 26 contacts → |
“Bei MAILINGWORK haben wir uns auf die Entwicklung eines hochwertigen E-Mail Marketing Tools spezialisiert, um den anspruchsvollen Anforderungen im Mittelstand und…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Dyspatchdyspatch.io HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 26 contacts → |
“Empower your team to create, innovate, and grow with the Dyspatch Email Builder.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Glockappsglockapps.com HQ: Pinedale, WY, United StatesReported employees: 11-50 | Pinedale, WY, United States | 11-50 | Exact match | 25 contacts → |
“GlockApps Software is a privately held company that offers multiple email marketing solutions to help businesses reach the inbox and solve email deliverability issues.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Inbox Monsterinboxmonster.com HQ: Charlotte, NC, United StatesReported employees: 11-50 | Charlotte, NC, United States | 11-50 | Exact match | 23 contacts → |
“Inbox Monster helps email teams send epic messages to every inbox.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Xqueue Gmbhmaileon.com HQ: Offenbach Am Main, GermanyReported employees: 11-50 | Offenbach Am Main, Germany | 11-50 | Exact match | 21 contacts → |
“XQueue wurde 2002 in Offenbach am Main in gegründet.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Mailtrapmailtrap.io HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 19 contacts → |
“Modern email delivery for developer and product teams in growing digital companies.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mailosaurmailosaur.com HQ: Basingstoke, United KingdomReported employees: 11-50 | Basingstoke, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Mailosaur helps businesses capture, test, design, and analyze email and SMS.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Mittum Viko Groupmittum.com HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 14 contacts → |
“Mittum es la Herramienta de email marketing perteneciente al Grupo VIKO, con una trayectoria de más de 13 años en envío y monitorización de campañas de email, bien sean de…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Greenarrow Emailgreenarrowemail.com HQ: Schneider, IN, United StatesReported employees: 11-50 | Schneider, IN, United States | 11-50 | Exact match | 13 contacts → |
“Smarter, high-volume email delivery software for tech leaders & marketers.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Postuppostup.com HQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 11 contacts → |
“Email marketing software for media, publishing, and brand engagement.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Postmasterypostmastery.com HQ: Amsterdam-duivendrecht, NetherlandsReported employees: 1-10 | Amsterdam-duivendrecht, Netherlands | 1-10 | Exact match | 6 contacts → |
“Postmastery is dedicated to helping senders maximise their email performance and deliverability with a range of software, tooling and consulting solutions.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | E-Villagee-village.nl HQ: Huis Ter Heide, NetherlandsReported employees: 51-200 | Huis Ter Heide, Netherlands | 51-200 | Exact match | 6 contacts → |
“e-Village, trendsetter and leading email marketing agency in The Netherlands, offers state-of-the-art software and an extensive range of services.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Storyportsstoryports.com HQ: Cincinnati, OH, United StatesReported employees: 11-50 | Cincinnati, OH, United States | 11-50 | Exact match | 4 contacts → |
“StoryPorts helps distributed teams create, review, test, and ship better email campaigns from start to finish.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Adnetis Email Marketingadnetis.com HQ: Gatineau, QC, CanadaReported employees: 1-10 | Gatineau, QC, Canada | 1-10 | Exact match | 4 contacts → |
“Are you looking for email marketing specialists?” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Parcelparcel.io HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 4 contacts → |
“Code, preview, and collaborate using the development platform designed for email.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Panpakepanpake.com HQ: Fleetwood, PA, United StatesReported employees: 1-10 | Fleetwood, PA, United States | 1-10 | Exact match | 3 contacts → |
“Your Design.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Inboxfirstinboxfirst.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 2 contacts → |
“We only serve those who are serious about email marketing so that our customers don't bear the cost of thousands of smaller free accounts.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Octethocteth.com HQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 2 contacts → |
“Developing professional email marketing products and online services for small to medium sized companies all over the world.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Tabulartabular.email HQ: Amsterdam, NetherlandsReported employees: 1-10 | Amsterdam, Netherlands | 1-10 | Exact match | 2 contacts → |
“Marketers use Tabular's intuitive tool to design high-performing emails for desktop and mobile, without seeing a single line of code.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Wizemailwizemail.co.uk HQ: Croydon, United KingdomReported employees: 1-10 | Croydon, United Kingdom | 1-10 | Exact match | 2 contacts → |
“WizEmail is an email marketing company formed by marketing specialists totalling decades of years experience in the direct marketing, internet and publishing sectors.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 95 company matches
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Email testing software companies: dataset insights
October 1, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
93 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 95 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Email testing software companies by location
1 lists · largest firstEvery Email testing software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for email testing software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many email testing software companies did RevenueBase find worldwide?
The saved snapshot records 95 matching company records, 931 tracked contacts and 126 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 email testing software companies worldwide. Snapshot: October 1, 2026. https://revenuebase.ai/companies/browse/email-testing-software-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗