According to the research report "Global Email Encryption Market Outlook, 2030," published by Bonafide Research, the Global Email Encryption market was valued at more than USD 7.56 Billion in 2024, and expected to reach a market size of more than USD 21.91 Billion by 2030 with the CAGR of 19.82% from 2025-2030

Top Six Companies Global Email Encryption Market 

Microsoft Corporation: Microsoft Corporation (commonly referred to as Microsoft or MS) is an American multinational technology company headquartered in Redmond, Washington, that develops, manufactures, licenses, supports and sells computer software, consumer electronics and personal computers and services. Microsoft Corporation provides email encryption solutions mainly through Microsoft Purview Message Encryption, Microsoft 365, Outlook, and Exchange Online. Its email encryption capability helps organizations protect sensitive business communication by ensuring that only intended recipients can view the message content. Microsoft allows users to send encrypted emails within the organization as well as to external recipients using services such as Outlook.com, Gmail, Yahoo, and other email platforms. The company supports policy-based encryption through Exchange mail flow rules, enabling administrators to automatically encrypt emails based on conditions such as recipient, keywords, data sensitivity, or compliance requirements. Microsoft also supports S/MIME-based encryption and digital signing in Outlook, which helps verify sender identity and protect message integrity. Through encryption at rest and in transit, along with technologies such as TLS and AES, Microsoft strengthens email security for enterprises, government bodies, financial institutions, healthcare organizations, and other users handling confidential information.

• Established: 1975

• Headquarters: Washington, United States

• Employees: 228,000 

• Revenue: USD 245,122 Million

Cisco System Inc: Cisco Systems, Inc. provides email encryption solutions through its Cisco Secure Email portfolio, including Cisco Secure Email Gateway and Cisco Secure Email Encryption Service. The company’s email encryption offering helps organizations protect sensitive outbound communication by encrypting message content and controlling recipient access. Cisco Secure Email supports data loss prevention, policy-based encryption, and secure delivery of confidential emails across internal and external users. Its encryption service allows senders to apply enhanced controls such as message recall, expiration settings, and read receipts, helping businesses reduce the risk of unauthorized access to confidential information. Cisco also offers an encryption add-in for Microsoft Outlook, enabling users to encrypt messages directly from Outlook with a single click. These capabilities are widely used by enterprises, government agencies, healthcare organizations, financial institutions, and other sectors that require secure email communication and compliance-focused data protection.

• Established: 1984

• Headquarters: California, United States

• Employees: 41,163

• Revenue: USD 56,654 Million

Fortinet Inc: Fortinet Inc (Fortinet) is a provider of next-generation firewalls and network security solutions. The company offers data centers, enterprise networking, application delivery, threat intelligence and response, network access, identity and access management, and application security products. Its FortiOS network operating system supports various secure networking markets and applications, including Secure Networking (SD-WAN), Secure Access Service Edge (SASE), and Security Operations (SecOps). The company serves services, retail and operational technology market verticals, communication and security service providers, government organizations, and small and medium-sized businesses. Fortinet, Inc. provides email encryption capabilities through its FortiMail Email Security solution, which is designed to protect organizations from inbound email threats as well as outbound data leakage. FortiMail supports encrypted email delivery for confidential communication and allows administrators to apply encryption based on content or rules. For example, emails containing sensitive keywords such as “Confidential” can be automatically encrypted, while rule-based encryption can be applied to specific users, departments, or sources. FortiMail also supports Identity-Based Encryption, along with S/MIME and TLS/SSL options, helping organizations enforce policy-based encryption for secure content delivery. These features are useful for enterprises, financial institutions, healthcare organizations, government agencies, and other businesses that exchange sensitive information through email and require stronger protection against unauthorized access, interception, and compliance-related risks. 

• Established: 2000

• Headquarters: California, United States

• Employees: 15,000

• Revenue: USD 6,799 Million

Broadcom Inc: Broadcom Inc (Broadcom) designs, develops, and supplies a range of semiconductor and infrastructure software solutions. The company’s product portfolio includes storage adapters, controllers and ICs, wireless, wired and optical products. It also offers mainframe and enterprise software, and cybersecurity software with focus on automation, enterprise, systematic cybersecurity, and factory automation. Its products find application in set-top boxes, broadband access, telecommunications equipment, smartphones and base stations, data center servers and storage. Broadcom Inc. provides email encryption solutions through its Symantec cybersecurity portfolio, including Symantec Email Security.cloud, Symantec Messaging Gateway, Symantec Encryption Management Server, and Policy Based Encryption services. The company’s email encryption capabilities help organizations secure sensitive outbound communications by encrypting messages before they leave the organization. Broadcom supports policy-based encryption, where administrators can define rules to automatically encrypt emails containing confidential data, regulated information, or specific keywords. Its Symantec encryption solutions also support gateway-level email encryption, PGP-based encryption, S/MIME, and TLS-based secure delivery, enabling businesses to protect email content both in transit and at rest. These solutions are mainly used by enterprises, financial institutions, healthcare organizations, government agencies, and other compliance-focused sectors that need to reduce data leakage risk, protect customer information, and maintain secure communication with external partners and clients.

• Established: 1961

• Headquarters: California, United States

• Employees: 33,000

• Revenue: USD 44,847 Million

Trend Micro Inc: Trend Micro Inc (Trend Micro) is a provider of security related software for computers and internet. The company develops and markets internet and computer content security and threat management solutions. The key offerings include Trend Vision One Platform, cyber risk exposure management, XDR (extended detection & response), cloud security, endpoint security, network security, threat intelligence. Trend Micro also offers managed detection and response, cyber risk advisory, premium support, incident response, and red/purple team services. Its solutions find application in homes, offices, and small, medium, and enterprise businesses. Trend Micro Inc. provides email encryption capabilities through Trend Micro Email Security, Hosted Email Security, InterScan Messaging Security, and Deep Discovery Email Inspector. The company’s email encryption solutions are designed to protect sensitive outbound messages sent by users within an organization. Trend Micro supports policy-based encryption, where administrators can configure rules to automatically encrypt emails based on specific senders, recipients, message content, keywords, or sensitive data contained in the email body. Its solutions also use Trend Micro Identity-Based Encryption, which helps encrypt messages and attachments without requiring complex certificate management. Through these capabilities, Trend Micro enables secure communication, prevents accidental data exposure, and supports compliance requirements for enterprises, financial institutions, healthcare organizations, government agencies, and other businesses that regularly exchange confidential information through email.

• Established: 1988

• Headquarters: Tokyo, Japan

• Employees: 7,000

• Revenue: USD 1,732 Million

Proofpoint, Inc: Proofpoint, Inc. provides email encryption solutions through its Proofpoint Email Encryption and Email DLP & Encryption services. The company’s email encryption offering helps organizations protect sensitive outbound messages and attachments by automatically applying encryption based on defined security and compliance policies. Proofpoint supports policy-based encryption, data loss prevention, sensitive data detection, and secure communication between internal users and external business partners. Its platform can scan emails and attachments for confidential information, regulated data, personal information, financial records, healthcare data, and other sensitive content, then apply encryption without requiring users to manually secure each message. Proofpoint Email Encryption is widely used by enterprises, financial institutions, healthcare organizations, government agencies, and other compliance-driven sectors that need to reduce outbound data-loss risk, protect confidential communication, and meet regulatory requirements.

• Established: 2002

• Headquarters: California, United States

• Employees: 4,500

• Revenue: Estimated USD 2,000 Million