Sovrn is an online advertising technology company based in Boulder, Colorado, with additional offices in San Francisco, San Diego, New York City, and London. Founded in 2006 and relaunched as Sovrn Holdings in 2014, the company specializes in providing software solutions for online publishers to help them monetize their content effectively.

Sovrn offers a range of products and services, including a traditional ad exchange platform, programmatic advertising capabilities like real-time bidding, and private marketplaces. The company also provides data-driven dashboards and analytics to help publishers understand and engage their audiences. Additionally, Sovrn supports affiliate marketing and commerce tools, allowing its customers to diversify their revenue sources.

With a customer base that includes thousands of online publishers, Sovrn powers advertising and data products across approximately 40,000 websites, reaching over 300 million active consumers daily. The company has received recognition from industry organizations for its commitment to combating ad fraud and promoting transparency in digital advertising.