The core activity of Tilosub Sagl is the execution of subaquatic works and restorations, in particular: installation and maintenance of harbor and pontile facilities; cleaning and sanitation of shores of abandoned and hazardous structures; installation and maintenance of buoy systems; construction and repair of rails and cranes for boat transport; underwater renovations, wall repairs, dock excavations and underwater excavations; monitoring with ROV vehicles and wreck recovery; maintenance and control of underwater facilities; laying, inspection and maintenance of underwater pipelines and cleaning of suction pipes. Additionally, the company also offers specialized services on land, such as the installation of special lighting for piers, documentation through photography and video, rental of excavators and dumpers, as well as engineering services through collaboration with an engineering firm.