Bouygues Travaux Publics was brought in by Ørsted and ATP to support their bid for the Danish North Sea Energy Island, an artificial offshore hub concept designed to aggregate and distribute very large volumes of offshore wind power. The engagement was framed as part of the consortium’s bid preparation for the anticipated tender process for the energy island. Bouygues Travaux Publics’ contribution was presented as specialist capability in the design and delivery of large-scale offshore and marine infrastructure, including complex construction works such as land reclamations and major maritime civil engineering projects. In the context of the energy island concept, this implied support to the consortium in shaping an executable island solution and planning for offshore construction delivery, including engineering approaches, constructability, and interface considerations typical of large offshore structures. The role described was linked to the bid and development phase rather than a final construction award, and it supported Ørsted and ATP’s aim to submit a competitive proposal for the North Sea Energy Island project and its associated offshore build scope.