Alliant provides consumer marketers with innovative, data-driven audience optimization solutions that deliver Alliant provides marketers access to a unique source of predictive data, powerful analytics, and strategic insight into consumer behaviors. Our database includes detailed behavior across 2.5 billion purchases and more than 250 million U.S. consumers. By utilizing actual multichannel transactional data, Alliant’s audiences connect brands with responsive consumers across devices and platforms, driving results for both branding and direct response campaigns.