What is an ISV (independent software vendor)?
An ISV (independent software vendor) is a company that builds and sells its own software products, independent of the hardware or platform they run on. In the channel, ISVs partner with larger platforms to integrate, embed, or co-sell their software to shared customers.
What it means
An ISV develops software as its core business — a CRM, an analytics tool, a vertical application — rather than reselling someone else's. In partner ecosystems, ISVs matter as technology partners: they build integrations with platforms (like cloud providers, CRMs, or PRMs), list in marketplaces, and co-sell to customers who use both products. An ISV partnership is typically about complementary technology and joint go-to-market rather than reselling, distinguishing ISVs from resale-focused partners like VARs and distributors.
Why it matters
ISVs expand a platform's value and reach. When an ISV integrates its software with a vendor's platform, both products become more useful and stickier, and each gains access to the other's customer base for co-selling and co-marketing. Cloud marketplaces have made ISV ecosystems central to modern go-to-market — a strong ISV network can differentiate a platform and drive significant co-sell revenue. For ISVs, partnering with established platforms provides distribution and credibility they could not achieve alone.
How it works / example
An analytics ISV builds a native integration with a CRM platform and lists it in the platform's marketplace. The two companies co-market the joint solution and co-sell to enterprise customers who want analytics on their CRM data. Leads and revenue are shared and attributed to both. Vendors manage ISV and technology-partner relationships — integrations, co-marketing, co-selling, and marketplace referrals — through partner platforms like xAmplify, tracking the pipeline these alliances generate.
Related terms
ISVs are technology or alliance partners, distinct from resale partners like VARs, MSPs, and SIs. They engage through co-selling, co-marketing, marketplaces, and integrations, and their contribution is measured with partner attribution and partner-influenced revenue. SIs often implement ISV solutions for customers.
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Frequently asked questions
What is the difference between an ISV and a reseller?
An ISV builds and sells its own software and partners with platforms mainly to integrate and co-sell. A reseller sells another company's products. ISV partnerships center on complementary technology and joint go-to-market, not on reselling the partner's product.
Why do vendors build ISV partner programs?
ISV integrations make a platform more valuable and sticky, differentiate it in the market, and open co-sell and co-marketing opportunities with the ISV's customer base. A rich ISV ecosystem is now a key competitive advantage, especially through cloud marketplaces.