Civil engineer in
Plan-Les-Ouates

Geos Ingénieurs-Conseils SA

Since 1976 · 1–10 empl.

Geos Ingénieurs-Conseils SA is a consulting engineering firm working in civil engineering, geotechnics, hydraulics and the environment. It plans and supervises projects including dams and hydraulic works, transport and urban infrastructure, and buildings, providing services from design and detailed studies to construction management.

Helveos SA

Since 1993 · 1–10 empl.

Helveos SA is an engineering consultancy working in civil engineering and geotechnics, energy, water, and hydraulic structures. Its services include feasibility studies, planning, design and project management, as well as technical assistance and expertise for buildings and infrastructure.

RC Ingénierie SA

Since 2017 · 1–10 empl.

RC Ingénierie SA is a civil engineering consultancy focused on water management and the environment. Its services include advice, studies, expert assessments, hydrological and hydraulic modelling, and planning and project support for drainage, flood protection and river restoration.

Solfor SA

Since 1968 · 21–50 empl.·4.3(3)

Solfor SA is a civil engineering firm that operates a road expertise laboratory. Its areas of work include mobility infrastructure, public-space design, water management and wastewater treatment, as well as concrete structures.

Studio GC Sàrl

Since 2026 · 1–10 empl.