Undertone

Premium high-impact display advertising specialist within Perion Network's portfolio

Undertone is a digital advertising technology company that specializes in high-impact, synchronized display advertising formats designed to maximize brand engagement and awareness. The company built its reputation on proprietary ad units that deliver creative experiences across desktop and mobile environments, focusing on viewability, brand safety, and attention metrics. Undertone serves premium publishers and brand advertisers, offering a managed service approach that combines technology with creative expertise. Founded in the mid-2000s, Undertone established itself as an innovator in rich media and high-impact display advertising, differentiating from standard banner ads through synchronized, page-level takeovers and custom creative executions. The company was acquired by Perion Network in 2015 for approximately $180 million and continues to operate as a distinct brand within Perion's advertising portfolio. As part of Perion Network, Undertone maintains its focus on premium display advertising while benefiting from the parent company's broader ad tech infrastructure and resources. The platform continues to serve agencies and brands seeking high-quality, viewable advertising placements that drive brand lift and consumer engagement across digital channels.