Expertise and appraisals

You want to check the authenticity of a Swiss artwork? You need a valuation to divide an estate, to assist an insurance company or tax office, or to prepare a folder prior to sale? Your work involves insurance claims for art assets and you need to assess damage?

Our services include:

  • Examinations and appraisals to verify the authorship of Swiss artworks (“archive extracts”)
  • Market valuations for individual works or even whole collections (Swiss and international art)
  • Detailed expert appraisals of value and damage
  • All-round consultancy on art market matters
  • Presentations and workshops on “Art appraisals”, “Art expertise” and “Damage /Depreciation”

We provide an impartial, independent service. We will be happy to send you a cost estimate and look forward to your enquiry.

Price list for expertise an appraisals [in German]


Dietmar Stock-Nieden, Dr. phil.
T +41 44 388 51 40;
Appointments by arrangement

Binding of interests [in German]