Mimecast vs Smarsh:Which is more popular by branded search?
In August 2026, Mimecast had more branded searches than Smarsh among email archiving platforms worldwide. Mimecast was estimated to have 90.5K branded searches compared to Smarsh’s 9.9K, and held a 48.1% Share of Search versus Smarsh’s 5.3%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Mimecast or Smarsh?
Compare the platforms that archive business email. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for Mimecast, Smarsh. The figures are in the table below the chart.
View monthly share of search table
| Month | Mimecast | Proofpoint | Barracuda | Global Relay | Smarsh |
|---|---|---|---|---|---|
| Oct 2025 | 50.9% | 28.3% | 6.8% | 8.4% | 5.6% |
| Nov 2025 | 48.1% | 32.4% | 6.4% | 7.9% | 5.3% |
| Dec 2025 | 51% | 28.2% | 6.8% | 8.3% | 5.6% |
| Jan 2026 | 51.4% | 28.6% | 6.9% | 8.5% | 4.6% |
| Feb 2026 | 48% | 32.5% | 6.4% | 7.9% | 5.3% |
| Mar 2026 | 47.9% | 32.5% | 6.4% | 7.9% | 5.3% |
| Apr 2026 | 46.6% | 31.4% | 7.6% | 9.3% | 5.1% |
| May 2026 | 47.4% | 31.9% | 7.7% | 7.7% | 5.2% |
| Jun 2026 | 50.9% | 28.3% | 6.8% | 8.4% | 5.6% |
| Jul 2026 | 49.3% | 27.4% | 9.9% | 8.1% | 5.4% |
| Aug 2026 | 48.1% | 32.4% | 7.9% | 6.4% | 5.3% |
| Sep 2026 | — | — | — | — | — |
How has the Mimecast and Smarsh comparison changed over the last 12 months?
3 findings
- Mimecast was ahead of Smarsh in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Mimecast’s estimated Share of Search among email archiving platforms worldwide moved from 50.9% to 48.1%, and its estimated monthly branded searches moved from 110K to 90.5K.
- Across the 11 months ending August 2026, Smarsh’s estimated Share of Search among email archiving platforms worldwide moved from 5.6% to 5.3%, and its estimated monthly branded searches moved from 12.1K to 9.9K.
How did search popularity change for email archiving platforms worldwide in August 2026?
2 changes
In August 2026, Mimecast lost estimated Share of Search among email archiving platforms worldwide, from 49.3% to 48.1%.
Estimated monthly branded searches for Smarsh worldwide fell 18.2% over 11 measured months, from 12.1K to 9.9K in August 2026.
How each brand is measured
Brandwave collects information about searches that people make online using Mimecast’s and Smarsh’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
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