
Mimecast
Mimecast is a cybersecurity company specializing in Email & Messaging Security, founded in 2003 and headquartered in London, United Kingdom. It has raised $89.99M in equity across 4 priced rounds, employs about 2,383 people, and was acquired by Permira in 2021.
updated Sep 9, 2026
Latest Mimecast news and company activity
What Mimecast did, dated — selected moves from the record, one per kind, newest first.
- Sep 2026RecognitionData#3 named Mimecast Reseller Partner of the Year for 2026
- Sep 2026PartnershipExclusive Networks Partners with Mimecast to Protect India Customers Across Email, Data and AI
- Aug 2026Product launchMimecast Announces Agent Risk Center (ARC) and 24/7 Managed Threat Response Service at Black Hat 2026
- Jun 2026Exec changeMimecast Appoints Ranjan Singh as Chief Executive Officer
Mimecast Momentum score
35/ 100
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
Mimecast funding
Mimecast has raised $89.99M in priced equity. Its most recent round was a Series C in September 2012.
- Equity raised
- $89.99M4 priced rounds
- Last round
- Series CSep 2012
Mimecast employees and hiring
Mimecast has about 2,383 employees, down 1% over the last 30 days, with 59 open roles.
- Employees
- 2,383
- 30-day change
- -1%
- Open roles
- 59
Mimecast competitors
Security professionals most often compare Mimecast against Adaptive Security, Proofpoint, and MX Layer on cybersectools.com. 9 more are in the platform, with overlap scoring.
by search demand for comparison pages on cybersectools.com, 90 days
The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobs59 live postings, role mix
- Tech stackframeworks, clouds, security





