Who invested in PartnerStack?
PartnerStack's investors include 3L Capital, RRE Ventures, HarbourVest Partners and Whitecap Venture Partners. 3L Capital led its latest round.

Canada · Series B startup
Funding summaryUpdated 26 Oct 2026
$29Mraised across 1 round since 2021, from 1 source
Reported by Firms' own news pages
From PartnerStack's own website: 1 founder, 8 on the team.
PartnerStack's investors include 3L Capital, RRE Ventures, HarbourVest Partners and Whitecap Venture Partners. 3L Capital led its latest round.
PartnerStack has raised $29M across 1 round since 2021.
PartnerStack's most recent round was a Series B of $29M in May 2021, led by 3L Capital.
Its most recent round, $29M in May 2021, is also its largest on record.
PartnerStack's first round on record, in May 2021, was backed by 3L Capital, RRE Ventures and HarbourVest Partners and 1 others.
PartnerStack's latest named round is a Series B, in May 2021.
PartnerStack is based in Canada.
3L Capital led the Series B in 2021.
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