Top Email Encryption Companies

The email encryption market is projected to grow from USD 9.30 billion in 2025 to USD 23.33 billion by 2030, reflecting a compound annual growth rate (CAGR) of 20.2% during this period. The market for email encryption is expanding due to an increase in cyberattacks, including ransomware, phishing, and business email compromise. Organizations are under increased legal pressure to encrypt sensitive communications to comply with legislation like the CCPA, GDPR, HIPAA, and other data protection laws, propelling them to adopt email encryption solutions.

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Also, the increasing adoption of cloud-based email platforms (like Office 365 and Google Workspace) and the trend toward remote and hybrid work have raised concerns about protecting emails, further leading to the increased adoption of email encryption solutions and services. All of these factors combined support the robust growth of the worldwide email encryption market.

What is Email Encryption?

According to MarketsandMarkets, email encryption is a security technique that, by using cryptographic algorithms, protects the content of email messages from unauthorized access, ensuring the confidentiality and integrity of the information being transmitted. When email messages are encrypted, their text, attachments, and sometimes even metadata are transformed into a scrambled or ciphertext format, making it unreadable to anyone without the appropriate decryption key.

Top Email Encryption Companies Include:

• Fortinet (US)
• BAE Systems (UK)
• Mimecast (UK)
• Cisco (US)
• Proofpoint (US)

The email encryption market is led by some of the globally established players, such as Fortinet (US), BAE Systems (UK), Mimecast (UK), Cisco (US), Proofpoint (US), Zoho (India), Broadcom (US), OpenText (Canada), Barracuda Networks (US), Thales (France), HPE (US), Entrust (US), Fortra (US), Sophos (UK), Trend Micro (Japan), and Seclore (US). The market players have adopted various strategies, such as developing advanced products, partnerships, contracts, expansions, and acquisitions, to strengthen their position in the market. The organic and inorganic strategies have helped the market players expand globally by providing advanced email encryption solutions and services.  

 
Fortinet (US) is a global cybersecurity leader known for its integrated approach to securing users, devices, and data across complex digital environments. In the email encryption market, Fortinet offers cutting-edge solutions that use cryptographic standards like PGP, S/MIME, and TLS to shield private communications and email content from unauthorized access. These features are essential to Fortinet's broad goal of providing enterprise-class cybersecurity solutions that address evolving digital threats. Supported by more than 1,200 worldwide patents and a workforce of more than 12,500 workers, Fortinet's innovation is driven by its commitment to security excellence and extensive technical knowledge. Over 10,000 clients, including businesses, SMBs, and service providers, are served by the company in 180 countries. With a significant presence in North America, Europe, Asia Pacific, the Middle East, Africa, and Latin America, Fortinet is a major player in the rapidly expanding email security market, and its email encryption products are trusted globally.
In December 2024, Fortinet (US) acquired Perception Point (Israel) to expand its AI-powered security across email, browsers, and collaboration tools like Slack, Teams, and Google Workspace. This strategic move integrates Perception Point’s advanced threat detection and cloud-native capabilities into the Fortinet Security Fabric, enhancing protection for the modern hybrid workspace and extending FortiMail and user-facing security solutions across a broader digital ecosystem.

Mimecast (UK) is a global provider of email and collaboration security with a focus on SaaS-based solutions for email encryption, proactive threat protection, and data loss prevention. Advanced encryption services from the corporation are a component of a broader offering designed to combat internal weaknesses, human mistakes, and cyberattacks. Mimecast helps companies safeguard their communication infrastructure in a constantly changing threat landscape, serving over 40,000 organizations in more than 100 countries. Mimecast is renowned for its inventiveness and was named a Market Leader by Cyber Defense Magazine in the 2022 Global Infosec Awards. Its expansion and strategic significance are further demonstrated by Permira's recent acquisition of it in a USD 5.8 billion private equity transaction. With a significant presence in North America, Europe, the Middle East & Africa, and Asia Pacific, Mimecast serves clients in the BFSI, healthcare, manufacturing, and public sectors. With more than 2,000 workers and 13 locations in the US, the UK, South Africa, Australia, and Singapore, Mimecast is still at the forefront of providing intelligent, scalable, and safe email encryption solutions.
In November 2024, Mimecast announced significant AI-powered enhancements to its email and insider risk defenses. The Advanced Business Email Compromise (BEC) Protection now integrates natural language processing (NLP) to detect and prevent sophisticated, payloadless email threats by analyzing semantic intent, user relationships, and communication patterns. This update allows administrators to understand the context behind threats and strengthens email security through deeper visibility and proactive detection.

BAE Systems (UK), a leading UK-based defense and aerospace company, operates in the email encryption market through its cybersecurity division, offering advanced data protection solutions for government, defense, and enterprise clients. Leveraging its expertise in secure communications and threat detection, BAE provides email encryption tools that ensure confidentiality, integrity, and compliance with regulatory standards. These solutions are part of its broader cybersecurity portfolio aimed at protecting sensitive communications from sophisticated cyber threats, particularly in high-security environments.

Cisco (US), a major U.S.-based technology company, plays a significant role in the email encryption market through its security-focused solutions like Cisco Secure Email (formerly Cisco Email Security). Designed to protect organizations from data breaches, phishing, and compliance violations, Cisco's email encryption services offer end-to-end protection, policy-based encryption, and secure message delivery. Integrated with its broader cybersecurity and networking ecosystem, Cisco's solutions help enterprises safeguard sensitive communications across cloud and hybrid environments.

Proofpoint (US), a U.S.-based cybersecurity company, is a key player in the email encryption market, offering cloud-based solutions that secure sensitive email communications for businesses of all sizes. Its email encryption services are part of a broader suite aimed at preventing data loss, ensuring regulatory compliance, and protecting against advanced threats. Proofpoint’s solutions use policy-driven encryption, secure web portals, and seamless integration with existing email systems to provide secure, user-friendly communication while reducing risk and complexity for organizations.

Market Ranking:
The email encryption market is highly fragmented, with no single player holding a dominant share. However, five key companies, including BAE Systems, Fortinet, Cisco, Proofpoint, and Broadcom, collectively account for approximately 15–20% of the total market. BAE Systems is a well-known brand in the email encryption market due to its secure web-based encryption solutions and extensive defense experience, particularly among Middle Eastern government and critical infrastructure clients. Fortinet is also a recognized name and a preferred provider with its FortiMail solution, which offers high-performance email encryption integrated into its broader security fabric, making it ideal for scalable protection. Broadcom is a strong option for large businesses as it provides policy-based encryption with advanced data loss prevention through Symantec. Cisco delivers easy-to-integrate encryption for companies of all sizes through its Secure Email Encryption Service and extensive network presence. A popular choice for highly regulated industries, Proofpoint stands out for its user-friendly, policy-driven encryption and a strong focus on compliance.

Related Reports:

Email Encryption Market by Type (End to End Encryption, Email Gateway Encryption, Message Encryption), Offering (Solutions, Services (Professional, Managed)), Vertical (Healthcare, IT & ITeS, Government, BFSI), Region - Global Forecast to 2030

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