Massarius makes advanced website monetisation methods like automated trading of online advertisements accessible to all. For publishers, our highly trained analytical experts increase net revenue through active yield management and machine learning. Our approach ensures we manage advertising space trading in real-time at the optimal price, transparently for all partners in the value chain. For advertisers, we carefully select the publishers we work with to ensure brand safety, consistent inventory quality, exclusion of non-human traffic, and good viewability rates. Our purpose is to help create a level playing field where advertisers and mid-sized European publishers can compete with large tech platforms and leverage advertising technology on equal terms. Massarius opened its doors in 2012 in Amsterdam. Today the company operates internationally with offices in the Netherlands, UK and Spain, is a Google Certified Publishing Partner and has been voted number 1 in innovation in the Adformatie Media Report.