Urquijo-Kastner is a landscaping and garden design studio based in Madrid. It was founded by Renate Kastner and Miguel Urquijo en 2001.

Renate has a Master’s Degree in Landscape Architecture from Technical University Munich/Weihenstephan. Miguel has a Bachelor’s Degree in Biology from the University of Buckingham in the United Kingdom.Renate began his professional career in 1995 with Erhard Landscape Architects (Bavaria) dealing with private and public gardens, urbanism and ecological impact. Miguel, before meeting Renate, had designed several gardens on a freelance base, the first in 1993.

Together they have carried out all their work in Spain, and have specialised their projects in private gardens and similar locations. Their personal involvement in projects has resulted in a detailed and meticulous work methodology, where each part of the process is treated as a craft.