Vielca is a group made up of three companies: Vielca Ingenieros S.A., specialized in technical engineering and architecture services, Vielca Medio Ambiente S.L., specialized in environmental projects and Vielca Energía, specialized in renewable energy projects.

The group is located in Spain and Central America and has a technical team specialized in various areas, such as hydraulics, solid and liquid waste treatment, transport infrastructure, energy, architecture, environmental engineering and R&D&i, among others.