Who invested in HelloSign?
HelloSign's investors include Foundry Group, Greylock, Paul Buchheit, Webb Investment Network and Keith Rabois, and 3 more on record. Foundry Group led its latest round.

United States · Series B startup
Funding summaryUpdated 26 Oct 2026
$16Mraised across 2 rounds since 2013, from 3 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Reported by FinSMEs and 1 other
From HelloSign's own website: 1 founder.
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
HelloSign's investors include Foundry Group, Greylock, Paul Buchheit, Webb Investment Network and Keith Rabois, and 3 more on record. Foundry Group led its latest round.
HelloSign has raised $16M across 2 rounds since 2013. One round did not disclose an amount, so the total is a floor.
HelloSign's most recent round was a Series B of $16M in Jun 2017, led by Foundry Group.
Its most recent round, $16M in Jun 2017, is also its largest on record.
HelloSign's first round on record, in Jul 2013, was backed by Webb Investment Network.
HelloSign's latest named round is a Series B, in Jun 2017.
HelloSign is based in the United States.
Foundry Group led the Series B in 2017.
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