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PartnerStack

AcquiredYC S15

Toronto, CA · Founded 2015 · 200 employees · 8 known investors

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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 ChudleighCo-Founder & CTO2015–2023Neil Chudleigh founded Superwhisper and is a co-founder of PartnerStack.
BJBryn Jones
Bryn JonesFounder
JMJonathan Mendes
Jonathan MendesCo-founder, Senior Product Designer2015–2024
LSLuke Swanek
Luke SwanekCo-Founder
SZSohaib Zahid
Sohaib ZahidSenior Consultant2020–2020Founder/CEO at Vanhawks
RA
Ryan AyresDirector of People

Investors · 8

RRE Ventureslisted by RRE VenturesNew York · $5M – $15M

How we know: RRE Ventures's portfolio page · a partner's Signal profile · funding news · betakit.com · the VCSheet dataset · Not right? Tell us

Soma Capitallisted by Soma CapitalSacramento · $100K – $300K

How we know: Y Combinator's founder network · somacap.com · open dataset · 5k.vc investor directory · Not right? Tell us

Whitecap Venture Partnerslisted by Whitecap Venture PartnersToronto · $1.5M – $3.6M

How we know: Whitecap Venture Partners's portfolio page · betakit.com · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

GigEmreportedLos Angeles

How we know: Y Combinator's founder network · Not right? Tell us

Also in the syndicate · 2

3LleadHarbourvest

Funding

SEC filings, press & company announcements

$29M disclosed across 1 round · 2021

Source: company announcements and press reports — follow each round's link for the claim.

Founder mafia

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

Sohaib ZahidDirector Of Business DevelopmentFounded VanhawksAdam SteinbergChief Strategy OfficerFounded FetchJenna EarnshawSalesFounded WisedocsJan JedrasikSecurity EngineerFounded Mycroft

Related companies · 5

TorchTorch is a leadership coaching and alignment platform that pairs executive coaches with an AI agent to develop organization-specific leadership capacities aligned to strategic intent. The service targets talent and people teams at mid-market and enterprise companies.
ImpartnerImpartner 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.
VobiVobi is a project management and invoicing platform for construction and home improvement professionals that consolidates product catalogs, billing, task tracking, and client communication in a single workspace.
Cash Flow PortalCash Flow Portal provides a unified platform for fund managers to handle investor relations, fund administration, distributions, and LP communications in a single system. It integrates investor portals, CRM, underwriting, and marketplace functionality to reduce operational fragmentation across tools.
borongBorong is a B2B marketplace and financial services platform that connects Southeast Asian small and medium-sized businesses with wholesale products, financing, and digital tools for procurement and commerce. The platform serves retailers and suppliers across the region with trade infrastructure, access to financing, and insights to help them compete and grow.

Companies working in the same space as PartnerStack.

Legal entities · 2

corporate structure
GrowSumo
PartnerStack Inc.

In the news

AppDirect acquires PartnerStack for upwards of $150 million USD | BetaKitbetakit.com · Apr 2026PartnerStack, 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 Freycinet Investments, RRE Ventures, Soma Capital, Whitecap Venture Partners, Y Combinator, GigEm.
How much funding has PartnerStack raised?
PartnerStack has disclosed $29M raised across 1 round.
Where is PartnerStack headquartered?
PartnerStack is headquartered in Toronto, CA.