PartnerStack is a partnerships platform based in Toronto, Canada, founded in 2015. It specializes in Partner Relationship Management (PRM) for B2B SaaS companies, helping them build, manage, and scale their affiliate, referral, and reseller programs.
| Founded | 2015 (11 years) |
| Latest funding | Merger / Acquisition |
| Employees | 370 |
| Headquarters | Toronto, Canada |
| Trusted networks on Proven | 2 investor, bank and government networks offer PartnerStack to their members |
Company facts from Apollo.io company data. Network, offer and redemption data from the Proven platform. A Proven Score is published once publicly named clients are verified with sources.
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Source: Proven platform data, public records and vendor websites. Vendors cannot pay to change a score. Methodology. Updated 2026-10-21.