Stackpack Raises $6.3M to Reinvent How Companies Manage Vendor Chaos

Stackpack, an AI-powered vendor stack management startup founded by Etsy and Affirm alum Sara Wyman, raised $6.3M to help companies bring order to their sprawling networks of third-party tools, contractors, and software providers. With participation from Freestyle Capital and strategic angels from Intuit, Workday, and xAI, Stackpack is building a centralized platform that identifies contract owners, compliance gaps, shadow IT, and renewal dates, automating vendor oversight the way HR platforms manage people. Already used by over 50 companies managing $510M in spend across 10,500 vendors, Stackpack aims to replace spreadsheets and scattered approvals with real-time visibility, financial guardrails, and soon, vendor discovery tools.