A
Adstra
St. Louis, Missouri, United States · Founded 2011
51-200 employees
Sourced & current · updated May 11, 2026Website
Adstra is a data connectivity platform that provides identity resolution, audience data, and data onboarding services for advertisers. The company helps brands connect first-party data with advertising platforms while maintaining privacy compliance.
Where they sit
Stack tier: Infrastructure & Data (B)
Identity Resolution
Mid-tier identity resolution and data connectivity provider serving enterprise advertisers