The people
What they build
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Working at PartnerStack
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On the TechTO stage
Bryn Jones of GrowSumo presents Stop Ignoring Profitable Revenue
Watch on YouTube ↗We Cut 40% of Costs and Grew
Watch on YouTube ↗Every talk is searchable — ask the archive about PartnerStack ↗
About
PartnerStack was founded in Toronto in 2015 by Bryn Jones, Luke Swanek, Neil Chudleigh and Jon Mendes under the name GrowSumo, later rebranding to PartnerStack. The platform helps SaaS companies grow through channel sales and partner ecosystems. It raised a $35 million CAD Series B in 2021 (led by 3L) and was acquired by AppDirect for upwards of $150 million USD in April 2026.
Backers
Backed by 3L, Whitecap Venture Partners, HarbourVest and RRE Ventures prior to its 2026 acquisition by AppDirect.
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Quick answers
What does PartnerStack do?
PartnerStack is a SaaS platform that lets B2B software companies recruit, manage and pay affiliate, referral and reseller partners in one place — partner-led growth.
Was PartnerStack always called PartnerStack?
No. It was founded in 2015 as GrowSumo and later rebranded to PartnerStack.
Who acquired PartnerStack?
AppDirect acquired PartnerStack in April 2026 for upwards of $150 million USD to build a unified subscription-commerce platform for partner-led growth.