AYESA is a global provider of technology and engineering services with over 55 years of experience delivering infrastructure projects.

The company has participated in the design and engineering of over 500 km of tunnelling projects in the following areas:

  • TBM and segmental lining,
  • Conventional tunnels (NATM, MTM, SEM and SCL),
  • Rock tunnelling,
  • Stations and shafts design,
  • Ground engineering,
  • Underground projects supervision,
  • Fire safety,
  • Mechanical, Electrical, Instrumentation, Control and Automation


Head of Ground Engineering: Claudio Dias