ID5
Paris, Île-de-France, France · Founded 2017
51-200 employees · N/A
Sourced & current · updated Jun 29, 2026Website
ID5 is a privacy-first identity platform that empowers the digital advertising ecosystem with privacy-compliant identity solutions, enabling addressability and measurement without relying on third-party cookies.
Where they sit
Stack tier: Ecosystem Services (A)
Identity ResolutionPrivacy TechnologyData Management Platform
Leading independent, neutral identity infrastructure provider for the open web, widely adopted across publishers, SSPs, DSPs, and data platforms globally.