
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 Oct 1, 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
36/ 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 Vipre on cybersectools.com. 10 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





