605 is an independent TV measurement and analytics firm specializing in advertising and content measurement, full-funnel attribution, media planning, and optimization. 605’s solutions are built on top of a unique multi-source deterministic TV dataset capturing viewing behavior from more than 21 million households across all 210 U.S. markets in a privacy compliant manner. 605’s multi-source approach offers whole-home TV viewership data by combining the best attributes of Set-Top Box and ACR data to provide a more accurate view of how content is being consumed. 605 is unique in its ability to support 100% deterministic data matching and activation against this viewership footprint, which is weighted, modeled and projected to create a census-style national dataset for measurement, analytics and attribution.