Founded in 1894 by Domenico Ghella, Ghella S.p.A. is an historic family-owned civil engineering powerhouse headquartered in Rome, Italy. With over 130 years of continuous operation, Ghella has constructed more than 190 major tunnels and delivered over 1,000 kilometers of metro and railway lines across the globe. Employing over 6,000 professionals, the company operates dedicated international subsidiaries across Europe, Oceania (Australia and New Zealand), the Americas, and the Far East.

Ghella specializes in heavy underground civil engineering: mechanized hard-rock, slurry, and Earth Pressure Balance (EPB) Tunnel Boring Machine (TBM) operations, complex underground caverns, deep shafts, cut-and-cover excavations, and high-speed rail alignments. Ghella frequently leads prime Design-Build joint ventures on iconic transit megaprojects, providing turnkey delivery from initial excavation and civil structural fitting to trackbed installation.

The firm’s rail portfolio features landmark infrastructure projects, including major underground tunneling lots for the Brenner Base Tunnel (Underpassing the Eisack River lot), the Follo Line high-speed rail link in Norway (delivering 20 km of twin-tube tunnels using four simultaneous TBMs), the Sydney Metro City & Southwest (twin 15.5 km tunnels beneath Sydney Harbour), Cross River Rail in Brisbane, Melbourne’s Suburban Rail Loop, Line 1 of the Turin Metro, Line 4 of the Athens Metro, and the Broadway Subway Project in Vancouver, Canada.