Oct 21 2021 News Ad tech firm Basis Global plans to go public Ad tech company Basis Global Technologies plans to go public, looking to take advantage of a strong market for new stock offerings. The Chicago-based company, which just changed its name from Centro, was founded 20 years ago by Shawn Riegsecker to help companies place digital advertising. Investor appetite for digital-advertising companies has been strong, with Viant, Integral Ad Science, DoubleVerify, Taboola, Outbrain and Innovid all going public in the past year. Riegsecker has talked about taking the company public for several years, especially after it made the transition from a service executing digital ad buys for customers to a subscription-software service that automates the work. The software has been the company’s growth engine, reflected by the recent name change. Read more in Advertising Age (subscription).