Mimecast reviews

3.4

59% would recommend to a friend

(774 total reviews)

Marc van Zadelhoff

56% approve of CEO

40% positive business outlook

Mimecast has an employee rating of 3.4 out of 5 stars, based on 774 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Mimecast employee rating is in line with the average (within 1 standard deviation) for employers within the Information Technology industry (3.9 stars).

Reviews by job title

774 reviews
3.0
Jun 18, 2025

Used to be great ...

Recommend
CEO approval
Business Outlook

Pros

Great office Lots of activities for employees

Cons

Mandatory company policy for office days Slow progression if any Job security KPI focused Not much room for development Long term business questions

1.0
Jun 16, 2025
Recommend
CEO approval
Business Outlook

Pros

The people at Mimecast are truly the best part of the company. Coworkers are smart, collaborative, and genuinely supportive, even during times of uncertainty. There's a strong sense of camaraderie within teams, and many individuals go above and beyond to help each other succeed.

Cons

Mimecast recently conducted large-scale layoffs, impacting a significant portion of the workforce with very little warning. This has created an atmosphere of instability and uncertainty across the company. Leadership has demonstrated a pattern of over-hiring and making aggressive acquisitions, only to turn around and cut roles without clear strategy or foresight. These sudden changes are deeply disruptive, not only to business continuity but more importantly to the lives and livelihoods of employees and their families. The company appears to be struggling financially, and this instability is reflected in unclear direction, shifting priorities, and a lack of transparency from senior leadership. For those seeking a stable, long-term opportunity, this is not the right place for you. Job security is a growing concern, and morale has taken a noticeable hit.

Viewing 109 - 111 of 774 Reviews

Glassdoor has 819 Mimecast reviews submitted anonymously by Mimecast employees. Read employee reviews and ratings on Glassdoor to decide if Mimecast is right for you.