Who invested in Mailjet?
Mailjet's investors include Hexa, Alven, Seventure Partners, Iris Capital and Laurent Asscher.

France · Series B startup
Funding summaryUpdated 26 Oct 2026
$18Mraised across 5 rounds since 2010, from 5 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Mailjet's investors include Hexa, Alven, Seventure Partners, Iris Capital and Laurent Asscher.
Mailjet has raised $18M across 5 rounds since 2010.
Mailjet's most recent round was a Series B of $11M in Jul 2015.
Its most recent round, $11M in Jul 2015, is also its largest on record.
Mailjet's first round on record, in Jan 2010, was backed by Hexa.
Mailjet's latest named round is a Series B, in Jul 2015.
Mailjet is based in France.
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