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.

Computer & Network Security London, United Kingdom Founded 2003 ~1,764 employees

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Employees
1,764
-0.5% in 3 months
Revenue / employee
$284K
Revenue ~$501M
12-month attrition
12.1%
Tech: 8.9%
H1B filings, FY2025
3
Sponsors visas
Open jobs
47
Last 30 days

Salaries at Mimecast

All salaries

17 salary profiles in the US

Most reported roles

Pay by level, gender and ethnicity · India salaries

H-1B sponsorship

H-1B Sponsorship Limited
H-1B Filings by Department
Engineering4

The department split adds up all the years listed above. FY2025 alone: 3 filings.

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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.