SIREOS

Company description

SIREOS is a France-based renewable energy company headquartered in Mauguio, in the Hérault department of southern France. Founded in 2022, the company specialises in the engineering, procurement, construction and maintenance of large-scale solar photovoltaic power plants. Its services cover ground-mounted, rooftop, floating and carport solar installations, as well as energy storage solutions and agrivoltaic projects. SIREOS has developed a portfolio of more than 1.3GWp of projects completed or under construction and has delivered over 250 projects, ranking among the top three builders of ground-mounted solar power plants in France. With a team of more than 80 experts, the company is expanding its operations internationally, including into Italy, where it is involved in the construction of the 24.2MWp Castellammare solar project. Its core values include operational excellence, agility, transparency, responsiveness and customer satisfaction.

Other companies in France

Paris
Paris
Paris
ÃŽle-de-France
Paris

Company details

City:
Paris
Address:
France

Participation in projects

Projects Transactions
List of the updates in which the company was involved

Company updates

  • November 10, 2026

    Qair appoints SIREOS for construction of 24.2MWp Castellammare solar project in Sicily

    Renewable energy company Qair Group has commenced construction of the 24.2MWp Castellammare solar photovoltaic project in Sicily, Italy. Announced on 5 November 2026, the development represents a furt...

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