The industry of email security involves companies that provide software, hardware, or cloud-based solutions to protect businesses and individuals from cyber threats such as phishing, ransomware, bots, and other malicious attacks targeting data and digital assets. These companies work on different levels, from securing the network to endpoint protection to ensuring compliance with relevant cyber risk regulations. With the rising sophistication of cyber threats and the surge in remote working, companies are investing more in these solutions, propelling the industry's evolution towards AI-based and machine learning security technologies.


Top 26 Email Security Companies

1. Barracuda

  • Website: barracuda.com
  • Headquarters: Campbell, California, United States
  • Founded: 1999
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Barracuda.com provides simple and scalable security solutions with no software or hardware installation required. They offer a range of products and services for protecting against cyber threats, including phishing and impersonation protection, ransomware protection, advanced bot protection, and industrial IoT security. Their offerings are designed to help organizations safeguard their data and digital assets.


2. Trend Micro

  • Website: trendmicro.com
  • Headquarters: Tokyo, Japan, Japan
  • Founded: 1988
  • Headcount: 5001-10000
  • Latest funding type: Ipo
  • LinkedIn

Trend Micro is a cybersecurity company that provides solutions to protect businesses from cyber threats. Their offerings include antivirus software, network security, cloud security, and endpoint security. With a focus on stopping ransomware attacks and improving cybersecurity hygiene, Trend Micro helps organizations protect their finances, reputation, and productivity.


3. Proofpoint

  • Website: proofpoint.com
  • Headquarters: Sunnyvale, California, United States
  • Founded: 2002
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Proofpoint is a leading provider of people-centric compliance and security solutions. They help organizations mitigate critical security and compliance risks by offering an integrated, cloud-based suite of solutions. Their focus is on protecting organizations' biggest risks and greatest assets - their people.


4. Forcepoint

  • Website: forcepoint.com
  • Headquarters: Austin, Texas, United States
  • Founded: 1994
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Forcepoint is a cybersecurity company that offers a cloud-native platform for data and network security. They provide solutions for data loss prevention (DLP), insider threat protection, secure cloud applications, and secure remote working. With their all-in-one console, Forcepoint ONE, customers can manage and protect their data across all environments. The company focuses on simplifying security and adopting a continuous zero trust approach.


5. Kanton Zug

  • Website: zg.ch
  • Headquarters: Zug, Zug, Switzerland
  • Founded: 1352
  • Headcount: 1001-5000
  • LinkedIn

PrivaSphere is a secure messaging platform that allows users to send and receive encrypted emails. It can be integrated into standard email programs and offers features like subject tags and secure PDF attachments. PrivaSphere serves individuals, small businesses, law firms, notaries, companies, institutions, large corporations, NGOs, and authorities. With a focus on confidentiality, PrivaSphere ensures secure communication with governments and courts. The company provides solutions for secure emails, sign and send services, and registered secure emails.


6. Mimecast

  • Website: mimecast.com
  • Headquarters: Broadgate, London, United Kingdom
  • Founded: 2003
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Mimecast is a provider of cloud cybersecurity services for email, data, and web. Their solutions include email security and resilience, data retention and compliance, and security awareness and user behavior training.


7. Gemalto M2M

  • Website: gemalto.com
  • Headquarters: Munich, Bavaria, Germany
  • Founded: 2008
  • Headcount: 201-500
  • Latest funding type: Acquired
  • LinkedIn

Gemalto is a technology company specializing in digital security. They offer a wide range of products and solutions to protect identities, secure transactions, and ensure the privacy and trustworthiness of digital interactions.


8. Zix

  • Website: zix.com
  • Headquarters: Dallas, Texas, United States
  • Founded: 1998
  • Headcount: 501-1000
  • Latest funding type: Acquired
  • LinkedIn

Zix.com is a company that offers secure email and data protection solutions to businesses. They provide enterprise-grade encryption, threat protection, and compliance risk mitigation. Their products include email encryption, email threat protection, information archiving, secure file sharing, and cloud-to-cloud backup. With a focus on industries such as financial services, government, healthcare, and real estate, Zix helps organizations protect sensitive information and maintain regulatory compliance.


9. HPE Security - Data Security

  • Website: voltage.com
  • Headquarters: Sunnyvale, California, United States
  • Founded: 2002
  • Headcount: 201-500
  • LinkedIn

Voltage.com offers secure email and file encryption solutions for businesses in various industries. Their products are based on Identity-Based Encryption technology, providing a transparent and user-friendly experience. With the Voltage SecureMail Cloud, users can easily send and receive encrypted messages and have complete control over their secure content.


10. Seclore

  • Website: seclore.com
  • Headquarters: Milpitas, California, United States
  • Founded: 2010
  • Headcount: 201-500
  • Latest funding type: Series C
  • LinkedIn

Seclore is a data security company that offers solutions for protecting sensitive information. Their platform allows users to automatically protect and track sensitive emails, collaborate securely, and ensure compliance with regulations.


11. The Reagan Legacy Foundation

  • Website: reagan.com
  • Headquarters: Encino, California, United States
  • Founded: 2010
  • Headcount: 51-200
  • LinkedIn

Reagan.com offers a private email service that allows users to protect their personal information and online privacy. With more storage and easy migration of contact lists, Reagan.com provides a secure and value-driven email solution. Compatible with various devices, it ensures accessibility from anywhere, making it a reliable choice for individuals concerned about privacy.


12. Cnpa

  • Website: cnpa.fr
  • Headquarters: Meudon, Idf, France
  • Founded: 1902
  • Headcount: 51-200
  • LinkedIn

CNPA is a company that specializes in email security. They offer solutions to protect emails from potential threats and ensure the safety of sensitive information.


13. Mandiant Security Validation

  • Website: fireeye.com
  • Headquarters: Mclean, Virginia, United States
  • Founded: 2014
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

FireEye is a cybersecurity company that provides advanced threat intelligence and protection against advanced cyber threats. They offer a range of solutions including threat detection, incident response, and security consulting services, helping organizations proactively identify and mitigate security risks.


14. Clearswift

  • Website: clearswift.com
  • Headquarters: Theale, Minnesota, United Kingdom
  • Founded: 1982
  • Headcount: 201-500
  • Latest funding type: Acquired
  • LinkedIn

Clearswift.com provides industry-leading Email Security and Data Loss Prevention solutions across email, web, and the cloud to detect, inspect, and secure critical data. They offer products such as Clearswift Secure ICAP Gateway and Clearswift Secure Web Gateway to augment security of critical information flowing within an organization's web proxy infrastructure or managed file transfer. Their email security solutions fill vulnerable gaps in other email security solutions and offer real-time signature-less inspection to detect and sanitize evasive threats. They also offer Clearswift Secure Exchange Gateway for internal email communications data loss prevention.


15. Echoworx

  • Website: echoworx.com
  • Headquarters: Toronto, Ontario, Canada
  • Founded: 2000
  • Headcount: 51-200
  • Latest funding type: Series Unknown
  • LinkedIn

Echoworx is a trusted provider of customizable encryption solutions, offering secure email and data protection services. With a focus on customer-centricity, Echoworx delivers user-focused email encryption for enterprises, providing numerous delivery methods, advanced branding, and authentication controls. Their solutions support data residency options and handle PGP mail in the cloud. Echoworx offers a range of services including bulk statement sending, exchanging information using shared mailboxes, and attaching native file formats.


16. INKY Technology

  • Website: inky.com
  • Headquarters: College Park, Maryland, United States
  • Founded: 2008
  • Headcount: 51-200
  • Latest funding type: Series B
  • LinkedIn

INKY is a company that offers email security solutions. Their platform helps block phishing threats, prevent data leaks, and coach users to make smart decisions. They provide features like computer vision, social graphing, reporting dashboard, email remediation, and mobile email security. INKY aims to enable industry leaders to secure email for customers globally.


17. Hushmail

  • Website: hushmail.com
  • Headquarters: Vancouver, British Columbia, Canada
  • Founded: 1999
  • Headcount: 11-50
  • Latest funding type: Series Unknown
  • LinkedIn

Hushmail is a secure email and web form service that offers encryption to protect confidential communications. It provides solutions for healthcare, small businesses, and law firms, ensuring HIPAA compliance and attorney-client privilege. Users can create custom forms, send encrypted emails, and receive signed documents using Hushmail. With easy setup and user-friendly features, Hushmail is trusted by professionals worldwide.


18. TitanHQ

  • Website: titanhq.com
  • Headquarters: Galway, Galway, Ireland
  • Founded: 1999
  • Headcount: 51-200
  • Latest funding type: Private Equity
  • LinkedIn

TitanHQ is a cybersecurity company that offers cloud-based email archiving and DNS filtering solutions. They provide data loss prevention, regulatory and legal compliance, and protection against malware and phishing. Their SafeTitan platform delivers security training tailored to individual users, while their products, such as WebTitan and SpamTitan, offer advanced threat protection and email encryption. TitanHQ caters to various sectors, including managed service providers, and prioritizes customer support and satisfaction.


19. Isolutions Associates Ltd (ISOLS)

iSolutions is an ICT security solutions provider that protects corporate data for banks, telcos, manufacturing, and public sectors. They offer privileged identity/account management, web security, governance, risk management, and compliance (GRC) services.


20. StealthMail

  • Website: stealthmail.com
  • Headquarters: San Francisco, California, Switzerland
  • Founded: 2017
  • Headcount: 51-200
  • Latest funding type: Seed
  • LinkedIn

StealthMail is a company that provides secure email communication solutions. They offer a platform that enables businesses to send and receive emails securely, protecting sensitive information from unauthorized access.


21. Siccura

  • Website: siccura.com
  • Headquarters: Bexley, Kent, United Kingdom
  • Founded: 2018
  • Headcount: 51-200
  • LinkedIn

Siccura is a secure communication and data storage solution for businesses and financial institutions. It offers encryption for SMS, emails, instant messages, and calls, ensuring that sensitive information remains protected. With features like Siccura Guard and Siccura Cybershield, users have total control over their digital lives. The company prioritizes privacy and provides end-to-end encryption for all communications and files stored on the cloud or local storage. Siccura helps businesses and individuals safeguard their data and maintain confidentiality.


22. Tasmicro

  • Website: tasmicro.com
  • Headquarters: Mexico, Estado De México, Mexico
  • Founded: 1984
  • Headcount: 51-200
  • LinkedIn

Tasmicro is a company that specializes in cybersecurity solutions. They offer a wide range of services including offensive security, remote management and administration, authentication, data leak prevention, and endpoint protection. They cater to both corporate and home users, providing security solutions for devices and email systems.


23. Liverton Security Limited

Liverton Security is a cyber security company that offers a range of products and services to help organizations protect their information and secure their communication. They provide solutions such as secure email systems, threat protection, data leak prevention, and encryption services.


24. Lux Scientiae, Incorporated (LuxSci)

  • Website: luxsci.com
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 1999
  • Headcount: 11-50
  • LinkedIn

LuxSci is a company that provides secure and HIPAA-compliant email and web solutions to enable organizations to communicate securely and protect sensitive data. They offer services like email encryption, web and database hosting, secure video communication, and secure high-volume email sending. LuxSci focuses on reliability, flexibility, and stellar support to meet the unique needs of businesses. Their customers include healthcare, legal, and financial sectors. LuxSci is a trusted and validated company in the industry.


25. Sealit

Sealit.id offers a secure file encryption solution that allows users to have full control over their data. With their patent-pending end-to-end encryption, they provide top-quality data protection across various industries. By minimizing the risk of cyber attacks and ensuring compliance with regulations, Sealit helps businesses protect their sensitive data and prevent data breaches. Their solution seamlessly integrates with existing collaboration platforms and offers easy implementation for efficient and secure communication.


26. Digital Technologies, LLC

  • Website: trusted.ru
  • Headquarters: Yoshkar-Ola, Mari El, Russian Federation
  • Founded: 1999
  • Headcount: 11-50
  • LinkedIn

Trusted.ru is a company that offers digital technology solutions and services. They specialize in providing secure email communication, encryption software, electronic signature solutions, and digital document management. Their products are designed to ensure the confidentiality and integrity of sensitive information for businesses and individuals.


Want to find more email security companies?


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