Find What SaaS Tools Competitors Use via Sub-Processors

Sub-processor lists publicly leak the SaaS stack of any B2B company. Learn how to read them to uncover the tools your competitors use - and get alerted when they switch.Want to know what SaaS stack a B2B company runs on? You don’t need a data leak or an insider - the company publishes it for you. Look at their sub-processor list. Most B2B companies are contractually required to disclose every third-party vendor that touches customer data. These sub-processor pages are public, they’re kept up to date, and they quietly reveal a competitor’s entire tech stack: cloud provider, monitoring, customer support, AI/ML vendors, and more. What is a sub-processor? A sub-processor is any third-party service a company shares customer data with to run its product - think AWS for hosting, Datadog for monitoring, or OpenAI for AI features. Privacy regulations like the GDPR push companies to list these vendors publicly, which is exactly why sub-processor pages are a goldmine for competitive…