As of September 2026, Latka tracks 6 email encryption software companies with $1M–$5M in annual revenue. They have combined revenues of $12.3M and employ 141 people. They have raised $11M.
Every company below sells email encryption 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.
Email Encryption Software is designed to protect sensitive information transmitted via email by using cryptographic methods. This software ensures that the content of emails and their attachments cannot be accessed or read by unauthorized individuals. By transforming email messages into ciphertext, it secures communications across various sectors, including healthcare, finance, and legal, where privacy is paramount. The primary use cases for this software include safeguarding confidential information during transmission, ensuring compliance with regulatory standards such as GDPR and HIPAA, and maintaining the integrity and authenticity of communications. Common features often include end-to-end encryption, digital signatures, user authentication, and the ability to manage encryption keys effectively. Typically, buyers of email encryption software may come from IT departments, compliance teams, and legal firms, who prioritize securing their communications and protecting sensitive data.
Sorting: Highest -> Lowest
Showing 6 of 6 companies ranked by annual revenue.
Las Vegas, Nevada, United States
Trustifi is a software-as-a-service (SaaS) company offering a patented postmarked email system that encrypts, tracks, and is the first federally-accepted method of sending legal documents online
Paris, France
Developer of a payment securing application designed to facilitate and secure online payments through emails and SMS. The company's platform offers universal secure payment links that convert hypertext links into digital payment channels while making emails and SMS encrypted, enabling professionals, companies and local authorities to trigger secure payments by credit card in one click from an email or SMS and receive funds directly from the bank account without delay, without intermediaries or commissions pay.
St Albans, England, United Kingdom
Provider of an email and document encryption platform created to secure everyone's communication. The company's document encryption platform designed for organizations and enterprises with data protection requirements that vary by location, both of organizational entities and customer location, enabling users to secures their data for emails and document from unauthorized viewers.
Greenville, South Carolina, United States
Provider of cloud-based B2B email security, compliance and encryption products created to offer email security, management and hosting services The company's email security, compliance and encryption product Mailprotector, include inbound and outbound email protection, email backup and disaster recovery, email archiving, end-to-end encryption and business-class hosted email product, including enhanced MS Exchange, enabling businesses, government agencies and non-profits to get a email filtering system.
Singapore, Singapore
Dmail Network offers encrypted emails, consolidated notifications, and precise marketing services across multiple chains & apps, catering to users, developers, and marketers.
New York, New York, United States
Developer of an email recall application designed to help companies integrate secure messaging features into their existing app or website. The company's email recall application is a simple plugin for Gmail and Outlook that lets users send secure emails easily to anyone, enabling users to recall and remove emails they did not intend to send.
Latka tracks 6 email encryption software companies with $1M–$5M in annual revenue. Together they generate $12.3M in annual revenue and employ 141 people.
Trustifi is the largest, with $3.2M in annual revenue, founded in 2005.
The average email encryption software company in this list makes $2M a year, across 6 companies with reported revenue.
Ranked by annual revenue, the leaders are Trustifi, Paytweak, Galaxkey, Mailprotector and Dmail Network Foundation LTD..
The 6 email encryption software companies with $1M–$5M in annual revenue tracked here have raised $11M in disclosed funding between them.
- Must provide end-to-end encryption capabilities for email content and attachments - Should support compliance with major data protection regulations - Must include features for digital signatures and user authentication - Should be compatible with major email clients and platforms - Not just encryption; must also offer secure key management solutions - Should allow for policy-based encryption to automate security processes - Must provide usability features for end-users to facilitate adoption
Sign up to access all features
Sign up with GoogleSign up with LinkedInAlready have an account? Log in
GetLatka is trusted by 200k+ founders, researchers, and marketers.
No contracts, cancel at any time