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Top 26 Transactional Email Software SaaS Companies in May 2026

As of May 2026, there are 26 SaaS companies in Transactional Email Software. They have combined revenues of $83M and employ 686 people. They have raised $5.1M and serve 231.2K customers combined.

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
26
Revenue
$83M
Funding
$5.1M
Employees
686

Filters

Sorting: Highest -> Lowest

Filters

Top Transactional Email Software Companies

Showing 10 of 3 companies ranked by annual revenue.

1
Expresspigeon

Chicago, Illinois, United States

Marketing and transactional email design and delivery service with the best drag and drop editor and flow automation system. Send and track professional emails.

Revenue
$9.3M
Customers
200
Year founded
2013
Funding
-
Team size
2
Growth
-
2
ExpertSender

Gdańsk, Poland

Professional email marketing solutions tailored to your needs. Segmentation, Dynamic Content, Split Test, Trigger Email, Newsletter.

Revenue
$6.9M
Customers
1K
Year founded
2009
Funding
-
Team size
62
Growth
43.6%
3
Elastic Email

Szczecin, Woj. Zachodniopomorskie, Poland

All the email marketing and delivery tools you need to communicate with your customers. We try to make the world a better place by creating a faster, more efficient email platform. We strongly believe that #EmailSavesTrees, therefore we donate a percentage of all our sales to non-profit organizations protecting the forests around the world. Elastic Email offers a SMTP Relay, HTTP API, Account Interface, Contact Management, Template Editor and many more. Learn more about our services and the company on https://elasticemail.com/

Revenue
$6.8M
Customers
30K
Year founded
2010
Funding
-
Team size
46
Growth
35.12%

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.