Juanjo San Millán, Director of the Interiors Architecture Studio "San Millán Design XXI", has over 25 years of experience in designing and project managing residential, office and commercial premises, and specializes in the design and delivery of spaces aimed at JEWELRY retail.

With an impressive portfolio of clients San Millán Design XXI has collaborated and is endorsed by some of the finest brands in the jewelry sector.
It has a specialized team that manages the transformation process from concept through to delivery, ensuring that the client’s vision is fully in place for opening.
This team aims to use the latest generation of technology and uses innovative materials, to offer the best solution for its clients.
The company prides itself on its rigorous planning and its highly efficient After-Sales Service.