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Top 8 Transactional Email Software Companies With $1M–$5M Revenue (September 2026)

As of September 2026, Latka tracks 8 transactional email software companies with $1M–$5M in annual revenue. They have combined revenues of $19.5M and employ 203 people. They have raised $5.1M and serve 200K customers combined.

Every company below sells transactional email software to other businesses and is ranked by its most recent annual revenue. Revenue, funding, headcount and customer figures come from CEO interviews on the Latka podcast, public company filings, and Latka estimates where a company has not disclosed a number.

What Transactional Email Software Companies do

Transactional Email Software is designed to automate and manage emails that are triggered by specific actions taken by users. These emails include essential notifications, such as order confirmations, password resets, and account updates, which serve to keep customers informed and engaged. The primary use cases for this software are found in e-commerce, SaaS platforms, and any business that relies on user interactions requiring confirmation or feedback. Typical features of transactional email software include customizable templates, robust APIs for seamless integration, and analytics tools for monitoring email performance. Common buyer personas include marketing teams, customer service departments, and IT professionals who need to ensure reliable and timely communication with users. This software plays a critical role in maintaining customer trust and facilitating smooth transactional experiences, thereby enhancing overall user satisfaction and retention.

Companies
8
Revenue
$19.5M
Funding
$5.1M
Employees
203

Filters

Sorting: Highest -> Lowest

Filters

Top Transactional Email Software Companies With $1M–$5M Revenue

Showing 8 of 8 companies ranked by annual revenue.

1Cleverreach logo
Cleverreach

Rastede, Niedersachsen, Germany

CleverReach is a leading global email marketing provider.

Revenue
$3.4M
Customers
200K
Year founded
2007
Team size
53
2Email Industries logo
Email Industries

Augusta, Georgia, United States

Email, Marketing, SaaS, B2B, Martech

Revenue
$3.4M
Year founded
2008
Funding
$50K
Team size
37
3Email Labs logo
Email Labs

Poznań, Wielkopolskie, Poland

EmailLabs was created for those who have a system that generates e-mails. Whether you have a store, billing, accounting, CRM, ERP, CMS or a dedicated Marketing Automation system - EmailLabs will increase the deliverability of your e-mails. ✅ Thanks to simple SMTP integration, the service is ready to use in a few moments. RESTful API will allow you to integrate with your IT system fully. You can also use ready-made libraries and code samples. 🌐 We have many years of experience in the field of e-mail deliverability. We send over 6 billion messages a year. 🚀 Discover more: https://emaillabs.io/en/

Revenue
$3.1M
Year founded
2014
Team size
28
4Sendwithus logo
Sendwithus

San Francisco, California, United States

Sendwithus is a cloud-based communications management platform that enables Enterprises to maximize their email potential.

Revenue
$2.6M
Year founded
2013
Funding
$5M
Team size
22
5eDisplay | Digital Made Easy logo
eDisplay | Digital Made Easy

Fonni, Sardinia, Italy

eDisplay is an Italian Independent Software Vendor (ISV) operating wide-ranging. Since 2005, we have developed both Cloud (SaaS) and OnPremise (desktop) solutions for email marketing campaigns and automation as well as management software. The company philosophy has always been to offer the best tailor-made solutions for Customers: - eMailChef - the top Cloud (SaaS) email marketing campaign & automation platform; - SendBlaster - the best OnPremise (desktop) software to manage mass email and bulk email; - MailStyler - the perfect OnPremise (desktop) tool to design and edit email templates leveraging on a simple drag and drop editor; - turboSMTP - the reliable, powerful, easy-to-use SMTP mail server to maximize the deliverability of all your marketing and transactional emails as well as SMS (multi-channel); - Labeljoy - the professional software designed to generate barcodes and label printing.

Revenue
$2.5M
Year founded
2005
Team size
23
6Mailtrap logo
Mailtrap

Los Angeles, California, United States

Email Delivery Platform designed to drive your revenue. Go for high deliverability, growth-focused features, and industry best analytics. Try for Free at MAILTRAP.IO

Revenue
$1.7M
Year founded
2011
Team size
15
7GreenArrow Email logo
GreenArrow Email

Schneider, Indiana, United States

Smarter, high-volume email delivery software for tech leaders & marketers. When you choose GreenArrow, you get better control over your technology. You gain clearer visibility into the results. And we always offer our personal support when you need it. Grow business, build better subscriber relationships, and get smarter about email.

Revenue
$1.4M
Year founded
2009
Team size
13
8Mail Blaze logo
Mail Blaze

Cape Town, Western Cape, South Africa

Mail Blaze is an email marketing platform that helps numerous companies improve their email marketing ROI. At Mail Blaze we believe that emails have the power to connect people in a personal way and that they are a key to fostering long-lasting relationships with your audience. We’ve built a product we’re proud of. A product where clients are able to create functional, curated emails to speak to their audience in a way that matters. We’re invested in our client’s success and have built our platform with robust functionality based on what they need while always looking at functional opportunities that can help them grow. Our vision is to empower our clients to deliver professional engaging communication exchanges with their customers through an exceptional product and a guided approach to promote growth and ongoing performance. #emailmarketing #emailplatform #emailexperience #emailtemplates #emaildesign #email #esp #emailplatformprovider #emailcreator #emailsending #bulksend #bulkemail #emailcampaign #emailcampaignbuilder

Revenue
$1.3M
Year founded
2006
Team size
12

Frequently asked questions about Transactional Email Software Companies With $1M–$5M Revenue

How many transactional email software companies with $1M–$5M in annual revenue are there?

Latka tracks 8 transactional email software companies with $1M–$5M in annual revenue. Together they generate $19.5M in annual revenue and employ 203 people.

Which transactional email software company with $1M–$5M in annual revenue is the largest?

Cleverreach is the largest, with $3.4M in annual revenue, founded in 2007.

How much revenue does a typical transactional email software company with $1M–$5M in annual revenue make?

The average transactional email software company in this list makes $2.4M a year, across 8 companies with reported revenue. They serve 200K customers combined.

Who are the leading Transactional Email software vendors with $1M–$5M in annual revenue?

Ranked by annual revenue, the leaders are Cleverreach, Email Industries, Email Labs, Sendwithus and eDisplay | Digital Made Easy.

How much funding have transactional email software companies with $1M–$5M in annual revenue raised?

The 8 transactional email software companies with $1M–$5M in annual revenue tracked here have raised $5.1M in disclosed funding between them.

Related Marketing Software categories

Inclusion Criteria

- The software must automate sending emails triggered by user actions such as transactions or changes in account status. - It must include features for email customization and branding to ensure a consistent customer experience. - The product should provide analytics tools for tracking email delivery rates, open rates, and user engagement. - Integration capabilities with existing applications or CRM systems are essential. - Not just for marketing campaigns; must specifically cater to transactional communications.