Mimecast
Secure human AI data
- B2B
- SaaS
- Has physical offices
- AI & machine learning
- Platform
- Multi-product
- Sales-led purchase
- Subscription
- Enterprise plan
About Mimecast
Protects humans, data, and AI agents through a unified platform, securing the workforce and their interactions with AI from cyberattacks.
Key facts
- Industry
- Computer and Network Security
- Company size
- 1,001–5,000 employees
- Headquarters
- london, england, United Kingdom
- Founded
- 2003
- Revenue
- $65.3M – $439MTamtam estimate
- Website
- mimecast.com
- linkedin.com/company/mimecast
Jobs at Mimecast
Mimecast in the news
- Proofpoint vs Abnormal vs Mimecast: Email Security 2026
The article evaluates Proofpoint, Abnormal Security, and Mimecast, three leading email security platforms, comparing their distinct architectures, pricing models, and effectiveness against modern threats like business email compromise.
- New Mimecast CEO Ranjan Singh: Combating Shadow AI Is ‘No. 1 Opportunity’ For Partners
Mimecast's new CEO plans to expand beyond email security into securing AI and data, emphasizing channel partners to combat shadow AI with a new Agent Risk Center.
- Mimecast introduces AI agent governance and managed threat response
Mimecast has launched Agent Risk Center to manage AI agents and Managed Threat Response to enhance email security through AI and human expertise.
- Mimecast UK Number of Employees 2026 | Employee Count & Headcount Data
Mimecast UK's employee count is projected to decrease by 11.5% to 2,817 by March 2026.
- Mimecast Appoints Ranjan Singh as Chief Executive Officer
Mimecast appointed Ranjan Singh as CEO to lead its next growth phase in securing humans, data, and AI.
Mimecast at a glance
Mimecast is a B2B SaaS company in the Computer and Network Security industry, headquartered in london, england, United Kingdom.
Mimecast was founded in 2003.
Mimecast has 1,001–5,000 employees.
Mimecast's revenue is $65.3M – $439M (Tamtam estimate).
Mimecast is hiring: 8 recent open roles, including Mid-Market New Business Account Executive, Revenue Operations Manager, Mid Market Account Executive.
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