Top 17 Email Encryption Software SaaS Companies in May 2026

Centennial, Colorado, United States

NeoCertified is a secure communications provider that offers the finest solutions in secure communications. We've been serving clients nationwide since 2002, in all 50 states. Our secure email solution helps organizations (and individuals) take the next step in meeting their legal requirements. + Our solutions are compliant with the following regulations: --FINRA --HIPAA --SEC --SOX --GLBA + A smooth, seamless process, securing your emails, messages, and photos has never been easier. + With an incomparable level of customer service, we're sure to answer any questions that you may have and guide you through the process of initiating your first secure email. + We offer a variety of solutions to choose from: --Secure Large File Transfer --NeoWebConnect (our secure contact form) --Secure Email Solution --NeoAPI (Secure API integration) + We currently work with thousands of companies -- from general business, financial, insurance, legal, medical, banks/credit unions and non-profit -- and individuals alike. Become a part of NeoCertified today and find out why secure email is a necessity in this digital age.

Dallas, Texas, United States

Developer of a communication platform created to offer secure communication. The company's platform provides automatic, transparent, secure end-to-end email by encrypting every facet of the communication, enabling people and businesses to maximize the safety and security of dark mail-compatible email accounts.

Santa Monica, California, United States

Cypher.dog is a company that specializes in encryption and security services. They offer encrypted messaging apps and encryption solutions for businesses. Their goal is to provide secure and private communication for individuals and organizations.

Nicosia, Cyprus

Boost your workflow with unparalleled encryption. Compose password-protected emails, create business domains, generate aliases, secure to 1TB of files. Be in full control of your data and focus on what matters most.

Sydney, New South Wales, Australia

Operator of an encryption platform in Sydney, Australia. The company offers end-to-end encryption of emails, chat messages and documents to its users.

United States

The e-Courier secure cloud based service is designed for professional organizations, small or large, to seamlessly exchange sensitive and confidential information externally with their clients and stakeholders. e-Courier provides secure email and file transfer without a backdoor, which includes innovative Courier like features that increase your productivity that are not available in traditional email and file sharing services. By linking e-Courier to your organization’s website it can be implemented as a powerful client file and message portal. It is so simple to use that it does not require any technical expertise, the only requirement for it to be deployed is a web browser. The e-Courier smart inbox and track tables display important, time-sensitive information, alerts, and the inbound delivery status of emails. Stop wasting time hunting through the inbox by using our pervasive Smart Search and Quick View features. Increase productivity by utilizing our email delivery status dashboard Track the delivery status of sent and received emails. Quickly check if the status of the email is unopened, opened, completed, returned or resent Quickly check if all or some of the file attachments were downloaded Use the e-Courier smart search to quickly find packages Detailed email delivery status audit log View the status and actions taken on email file attachments and messages with complete, up-to-the-minute audit trails. See when the email was sent. See each time the email was opened. See each time a file attachment was downloaded. See if the recipient(s) dismissed your email. See if the email has been returned. See if the email has been resent. See if the email has been deleted. Detailed email delivery status audit log