isd has performed media audits and analysis for more than 40 years and $250 billion worth of advertising.
We’re behind some of the most successful national, regional and local advertisers, advertising agencies, and media specialists.
These clients increasingly turn to us to meet their needs for greater understanding, transparency, performance and accountability in their media buying and delivery.
We capture, organize and analyze vast amounts of data and provide independent data-driven insights to help them measure and improve the value, efficiency and effectiveness of purchased media.