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PartnerStack

AcquiredYC S15

Toronto, CA · Founded 2015 · 200 employees · 3 known investors

partnerstack.com ↗

PartnerStack is a partnerships platform that connects technology providers, advisors and businesses to facilitate B2B distribution and revenue generation. The company operates as part of AppDirect and provides tools for managing and scaling partnership ecosystems.

Also known as GrowSumo

B2B MarketplacesEnterprise SoftwareMarketing TechMarketplacesSaaSSales TechMarketplaceB2BCanadaAmerica / CanadaPartly Remote

Founders & leadership· Y Combinator alumni (S15)

PartnerStack was founded in 2015 by Neil Chudleigh, Bryn Jones, Jonathan Mendes, and Luke Swanek.

NCNeil Chudleigh
Neil Chudleighin𝕏Co-Founder & CTO2015–2023Neil Chudleigh founded Superwhisper and is a co-founder of PartnerStack.
BJBryn Jones
Bryn Jonesin𝕏Founder
JMJonathan Mendes
Jonathan MendesinCo-founder, Senior Product Designer2015–2024
LSLuke Swanek
Luke SwanekinCo-Founder

Investors · 3

Whitecap Venture PartnersToronto · $1.5M – $3.6M
Y CombinatorSan Francisco · $500K
RRE Venturesreported · 2 sourcesNew York · $5M – $15M

Founder mafia

2 people who came through PartnerStack went on to found or lead other companies.

Sohaib ZahidDirector Of Business DevelopmentFounded VanhawksAdam SteinbergChief Strategy OfficerFounded Fetch

Competitors · 1

by search overlap
Impartner1412 shared keywordsImpartner provides a partner relationship management (PRM) platform that helps businesses manage, scale, and optimize partner programs and ecosystems. The platform serves enterprise and mid-market companies across various industries seeking to streamline partner onboarding, deal registration, and analytics.

Companies competing with PartnerStack for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

AppDirect acquires PartnerStack for upwards of $150 million USD | BetaKitbetakit.com · Apr 2026Exclusive: Chad Rigetti’s Sygaldry raises $139 million to bring quantum hardware to AI data centers | Fortunefortune.com · Apr 2026PartnerStack secures $29m in 3L-led Series B financingventurecapitaljournal.com · May 2021PartnerStack, the Leading Partnerships Platform for SaaS, Closes $29 Million Series B Funding Roundprnewswire.com · May 2021PartnerStack aims to capitalize on channel sales demand with $35 million CAD Series B round | BetaKitbetakit.com · May 2021

Frequently asked questions

What does PartnerStack do?
PartnerStack is a partnerships platform that connects technology providers, advisors and businesses to facilitate B2B distribution and revenue generation. The company operates as part of AppDirect and provides tools for managing and scaling partnership ecosystems.
Who founded PartnerStack?
PartnerStack was founded by Neil Chudleigh, Bryn Jones, Jonathan Mendes, Luke Swanek in 2015.
Who are PartnerStack's investors?
PartnerStack's investors include Whitecap Venture Partners, Y Combinator, RRE Ventures.
Where is PartnerStack headquartered?
PartnerStack is headquartered in Toronto, CA.