AdTonos

AdTonos, a privately owned UK-based company founded in 2017, operates a digital audio advertising platform. Employing approximately 20 people, the company reported revenues under $10 million in 2023. The platform connects advertisers with various audio inventory owners, including podcast and audiobook publishers, streaming services, mobile app developers, and device manufacturers. AdTonos enables data-driven advertising campaigns across a variety of audio-enabled devices and content sources.