Close to you

With more than 100 locations, Clemessy is always close to his partners

> Look at the nearest agency

Proximity work

In the vicinity of your facilities, our teams are mobilised and offer you comprehensive solutions and services in line with your requirements, whether it be for new works, modification or refurbishing work or routine maintenance work.

Techniques mastered

Electrical engineering

  • Electrical power generation
  • Transmission and distribution
    - HV/MV Substations and lines
    - HV/LV switchboards
    - Rural and urban electrification
  • Electric power distribution
  • Uninterruptible power systems
  • Site electricity networks


Communication and security

  • Networks and communication
  • Protection of property and people
  • Site security and safety


Energy efficiency

  • Supervision
  • Energy monitoring & performance
  • Optimised building management


  • Acquisition and signal processing
  • Instrumentation, regulation
  • Electrical and vibration analysis
  • Phisico-chemical analysis
  • Thermographic analysis

Mecanical / hydraulic

  • General mechanics
  • Rotating mechanics
  • Hydraulic power units
  • Hydraulic and aeraulic tests
  • Transfer of fluids
  • Off-Shore hydraulics
  • Fluid conditioning and lubrication
  • Vacuum / pressure / helium detection
  • Thermal, ernergy and climate engineering


  • Specialized piping
  • Ultra-clean piping