madvertise Media GmbH, a privately owned German company founded in 2008 and part of the Azerion group, is an advertising technology firm operating in Europe. Employing approximately 20 people, the company's annual revenue was less than $10 million in 2023. madvertise provides mobile advertising solutions, including video and specialized placements, to advertisers through a network of publishers, reaching an estimated 30 million unique users monthly. Their services encompass branding solutions and utilize their in-house developed interactive mobile ad formats and the BlueStack header bidding platform, presented as compliant with the European GDPR. They work with both direct clients and major advertising agencies.