Mimecast
Mimecast is a British cloud-based software company that specializes in enterprise email management and security services. Founded in 2003, it has grown into a comprehensive provider of risk management and cloud security solutions, with headquarters in London and offices around the globe. Mimecast primarily serves small and medium-sized enterprises (SMEs) that rely heavily on email. The company offers a variety of services, including email security and threat protection, cloud archiving, email continuity, information protection, and data backup. It also provides tools for insider risk management and data governance, along with security awareness training programs. Mimecast operates on a subscription model, charging customers a fee per user per year for access to its services. With over 10,000 corporate customers worldwide, Mimecast has established a strong presence across various industries, including healthcare, financial services, legal, and government sectors. Recent developments include strategic acquisitions to enhance its capabilities and the launch of new products aimed at improving email security and management.
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Headcount trend
Mimecast went from 1,515 employees in Jul 2023 to 1,764 in Jun 2025. Last 6 months: 72 people joined, 112 left.
Org structure
Headcount by department
Hiring now
See all jobsSalaries at Mimecast
All salaries17 salary profiles in the US
Most reported roles
H-1B sponsorship
The department split adds up all the years listed above. FY2025 alone: 3 filings.
Peer reviews
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Mimecast FAQ
How many employees does Mimecast have?
Mimecast has about 1,764 employees, down 0.5% over the last 3 months (as of Jun 2025).
Does Mimecast sponsor H1B visas?
Yes. Mimecast filed 3 H1B (LCA) applications in FY2025, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.
What is Mimecast's revenue per employee?
Mimecast makes about $284K in revenue per employee, based on $501.4M annual revenue and 1,764 employees.
How much does Mimecast pay?
6figr has 17 salary profiles for Mimecast in the US and 7 in India, with pay broken down by role, level, gender and ethnicity on the Mimecast salaries page. See Mimecast salaries in the US
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles. Updated 27 Nov 2025.