Through high value-added project management, we operate from design through to commissioning. Our work as a turnkey systems integrator is recognised by leading clients in industry and the nuclear sector.

Groupe M, through its subsidiaries MONTEIRO and DB POWER, deploys specialist expertise across France in static equipment (piping,
welding, hydrostatic testing, steam generator vessels, supports/anchoring) and rotating machinery (diagnostics, maintenance, requalification).

The Contracting France division of Groupe M embodies the synergy between engineering, manufacturing, maintenance and innovation, serving the nuclear industry and critical equipment.

Monteiro

Monteiro, the founding company of Groupe M, is a French industrial company serving low-carbon industries. Since 1999, Monteiro has been developing mechanical engineering expertise built around a core business : high-technology welding.

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DB POWER

DB Power, a subsidiary of Groupe M, specialises in mechanical maintenance and engineering services for the nuclear, industrial and naval sectors.

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All our areas of expertise

France & International Contracting
New Nuclear
Naval, Defence & Industries
Construction & Boilermaking Fabrication
Mechanical Engineering and Valves
Inspection, Metrology & Technical Assistance
Facility Management
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