Trojan Tunnelling is the dedicated underground construction division of Trojan Construction Group, part of Trojan Holding. The company specialises in the execution of complex tunnelling and underground infrastructure projects using modern construction techniques including Tunnel Boring Machines (TBMs), microtunnelling, pipe jacking and conventional excavation methods.

Its expertise covers railway tunnels, metro systems, utility tunnels, shafts, underground stations, stormwater infrastructure and other major civil engineering works. Working closely with public authorities and leading contractors, Trojan Tunnelling delivers safe, innovative and sustainable underground engineering solutions that support the region’s growing transportation and infrastructure networks.