• Maintenance update for Release 18.0 is available now!
    CDEGS New Release Is Ready Now
  • The world leader in grounding / earthing, lightning and electromagnetic interference
  • CDEGS is your ultimate package for Classical Grounding Problems.
  • CDEGS is your most accurate package for Extended Grounding Problems.
  • CDEGS is your “All in One” package for Lightning and Shielding Problems.
  • CDEGS is your most complete package for Interference Problems.


SES is your single source solution provider for all your grounding / earthing, lightning, electromagnetic interference and EMC analysis and mitigation problems.


Products and Services

Scientific Analysis Software

A powerful set of integrated scientific software tools

Leading-Edge Applied R&D Engineering Consulting

SES specializes in solving highly complex industry problems

Advanced Analytical R&D and Technical Consulting

SES’s qualified team of experts are ready to carry out advanced and challenging scientific and technical R&D activities

Technical Support

SES is your single support provider

Technical Training

Let SES’s experts provide scientific training for you and your staff




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