Mimecast
78,263 sites detectedEmail security · #1 of 3Updated October 2026
Companies using Mimecast
| # | Company | Industry | Location | First seen | Evidence |
|---|---|---|---|---|---|
| 1 | Media & Content | – | Apr 2026 | MX record | |
| 2 | Education & Learning | – | Apr 2026 | SPF record | |
| 3 | Education & Learning | – | Apr 2026 | MX record | |
| 4 | E-commerce & Retail | – | Apr 2026 | MX record | |
| 5 | Financial Services & Fintech | London, GB | Apr 2026 | MX record | |
| 6 | Data & AI | – | Apr 2026 | MX record | |
| 7 | Media & Content | – | Apr 2026 | MX record | |
| 8 | Media & Content | US | Apr 2026 | SPF record | |
| 9 | Financial Services & Fintech | – | Sept 2026 | MX record | |
| 10 | Professional Services | Toledo, US | Sept 2026 | MX record |
See all 78,263 sites detected using Mimecast
Showing 10 of 78,263 sites detected. The customer list has every company, the new customers this month, filters and downloads.
Who uses Mimecast
New customers per week
Companies we saw start using it, from 21 September 2026.
By sector
60% of 141 sampled customers have a known sector.
By country
Country is known for 14% of 141 sampled customers.
Also used by these customers
Share of sampled Mimecast customers running each tool.
Email security: share by companies
Mimecast is #1 of 3, with 40% of companies running a tool in this category.
How we found them
Share of sampled customers by where the evidence was.
Every company in the list shows which kind of evidence we found and when. Data quality
Every company using Mimecast
The customer list shows who they are, the evidence for each one and who started this month.