The Underground Den is a vibrant coworking space for remote workers and digital nomads in the centre of Madrid, Spain. It is a business centre located in Barrio de Salamanca, exactly in Calle Núñez de Balboa 52.

With its modern trend-setting design, it offers workspaces as private offices and flexible coworking desks.

The Underground Den is inspired by the 'start-up' concept without compromising on comfort. This coworking space is equipped with the latest technology and equipment, including fingerprint access control to all offices. Members also have access to high-speed internet, CCTV security cameras etc.

Some of their other services include:

• - Virtual Offices: Address, With Call Forwarding, With Telephone answering
• - Correspondence management
• - Conference room
• - Event organization
• - 24 Hour access