Seli Overseas
Leader in mechanized tunnel excavation.
Over 800 km of tunnels excavated
A 75 years-long journey.
About us
SELI OVERSEAS is the Webuild Group company specializing in underground works and mechanized tunnel excavation with TBMs for the construction of subways, railways, sewer aqueducts and hydroelectric plants.
Discover our history
For 75 years, SELI has been building passages where none existed before, serving clients all over the world.
It’s a journey marked by vision, specialized engineering, and expertise spanning three generations of engineers and technicians, leaving an indelible mark on the history of mechanized tunneling.
Ongoing Projects
Join our team
Build your future with Seli Overseas.
Advanced know-how in all infrastructure sectors
SELI Overseas’ work spans through continents and types of infrastructure, united by a single purpose: making possible what communities need on the surface to move, live, and grow.
Railways
The excavation of long pass tunnels for the construction of new high-speed railway lines is currently the number one business area for SELI Overseas.
Roads
As the first company in Italy to build a road tunnel using a mechanised system, SELI Overseas opened up this business line in the country.
Sewers
Sewer and flood tunnels are a traditional business area for SELI Overseas, with numerous works carried out over the past 30 years.
Undergrounds
Over twenty years of experience in the construction of undergrounds in Europe, North and South America and the Middle East.
Aqueducts
Specialist in the construction of tunnels and aqueduct works to bring water to large metropolitan areas.
Hydroelectric plants
Construction of tunnels for hydroelectric plants, with dozens of completed projects and more than 70 years of experience.
WE BUILD VALUE MAGAZINE
Discover We Build Value, the Webuild Group’s digital magazine, which features weekly in-depth articles and testimonials from leading international figures, to stay informed about the world of infrastructures.