Refinery89

Refinery89, headquartered in Madrid, Spain with origins in Amsterdam, Netherlands, is an innovative AdTech company specializing in programmatic advertising and ad monetization solutions for digital publishers. Founded in late 2018 by former digital publishers for digital publishers, the company has evolved into a leading European publisher network... with regional focus serving Europe and Latin America. Refinery89 operates as a Google Certified Publishing Partner, providing comprehensive ad monetization solutions for both websites and mobile applications through its award-winning technologies including Single Tag, a code integration that connects multiple premium demand sources through header bidding technology, and the Monetize App SDK for in-app advertising inventory. The company offers web and app monetization services by integrating multiple programmatic demand sources and providing tools for ad performance optimization, including SSP integration, server-side and client-side header bidding, targeting capabilities, and continuous support. With a globally diverse team of over 50 employees representing more than 20 nationalities and speaking over 15 languages, Refinery89 combines Dutch work ethos with international expertise to deliver personalized attention and exceptional service to publisher clients. The company's platform features easy onboarding, transparent dashboards, and continuous improvement of advertising inventory quality, quantity, innovation, and distribution, utilizing technologies such as Ad Refresh and dynamic SSP to help publishers maximize revenue. In April 2025, Refinery89 received a minority investment from Capital D, a next-generation private equity fund manager investing in disruptive founder-led mid-market businesses across Europe, to support the company's continued expansion and development of its advertising technology platform.Read More