Asso.subsea S.A.

Founded in 1976 in Piraeus, Greece, Asso Group (operating as Asso.subsea) is a specialized maritime contractor offering turnkey subsea cable solutions for offshore energy, telecommunications, and interconnector projects. Over the decades, the company has built a reputation through in-house execution of cable installation, protection, repair, and support services—leveraging a proprietary fleet of cable-laying and trenching vessels, including the DP‑2/DP‑3 vessels Ariadne and Atalanti, and trenching support vessels such as Athena and Argo. With more than 900 employees, including around 250 Greek maritime professionals, Asso ensures high operational flexibility, rigorous safety protocols, and advanced technological standards, certified under ISO 9001, 14001 and 45001 frameworks. The company boasts a long-standing track record in both Greek domestic and international projects, serving major clients and original cable manufacturers in the offshore renewables, energy, and telecom sectors with customizable equipment and high reliability in challenging environments.