This report analysis the geography of the tech sector in Amsterdam, with a focus on scaleups. After a literature review, it contains a quantitative analysis, showing and mapping the spatial clustering of various types of tech companies cluster in the Amsterdam region. Then, based on interviews, we analyse the growth dynamics, location preferences and geographical dynamics of tech scale-ups. Also, we identify which push and pull factors affect Amsterdam based tech scale-up companies in their locational decision making, on the neighborhood and building level.