• Release 21.0 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 most trusted solution provider for all your grounding/earthing, corrosion control, lightning, EMI, and EMC analysis. Leveraging fifty years of scientific innovation and expertise, SES delivers unmatched software, consulting, training, and technical solutions that help organizations design, analyze, and maintain safe, resilient, and efficient electrical systems.

CDEGS is the gold standard for grounding/earthing, EMC, EMI, electrical, and electromagnetic analysis. From routine studies to the most complex scientific and engineering challenges—including substations, transmission and distribution systems, renewable energy facilities, industrial plants, pipeline and railway utilities, and data centers that support today’s digital infrastructure and artificial intelligence—CDEGS provides the depth, flexibility, and computational power needed to solve virtually any electric or electromagnetic problem. Let your scientific challenges be resolved using CDEGS.

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Scientifically Validated

Proven Scientific Validation

Don’t just take our word for it—the unbiased international scientific community speaks for us. Thousands of peer-reviewed publications worldwide demonstrate how researchers, engineers, and industry experts rely on our software packages to tackle their most important and technically demanding challenges.

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Products and Services

Scientific Analysis Software

A powerful set of integrated scientific software tools

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



Safe, Secure, and Compliant.

SOC 2 Type 2 and ISO 27001 certifications demonstrate our commitment to security, compliance, and customer trust. We are dedicated to maintaining the highest standards in the industry to ensure that our customers can rely on us for their scientific analysis software, support, training, and consulting needs.

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