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Welcome to our website

Do you need an expert opinion, an evaluation, or a line analysis? You found to the right contact. You can find all relevant information about us on our website. Many years of experience and a high level of bundled expertise make us your reliable, competent partner.

Of course, we are always independent and of course impartial. In this way you receive neutral reports and expertise.

We are happy to assist you as a competent and committed expert for the assessment or evaluation of machines, systems, and complete production lines.

Areas of activity

Assessment of machines, systems, and complete production lines

  • Opinion for line optimization
  • Machine and transport damage
  • Evidence preservation opinion
  • Valuation and private appraisal
  • Court and authority appraisal

Wilfried Thelen, Eur Ing

Expert for machines & systems

  • Publicly appointed and sworn expert mechanical engineering / precision mechanics,
    HWK Düsseldorf
  • Certified by the European personnel certification organisation "EuroKompZert" according to the SO/IEC 17024:2012 standard in the profession of international experts for the valuation of machines, systems and equipment.
  • Member of:
    • VDI - Association of German Engineers e.V. (e.V. = registered association)
    • BDSF - Federal Association of German Experts e.V.
    • Association of German court experts VDGS e.V. (1.Vice President)
    • BVS - Federal Association of Publicly Appointed, Sworn and Qualified Experts e.V.
    • GFS e.V. - Society for the promotion of national and international experts

Regional office of the VDGS e.V. West I NRW: for OLG Cologne and OLG Düsseldorf