Frequently Asked Questions

We operate globally, with teams of experts, researchers, and forensic specialists in key cities like Amsterdam, Paris, London, and Washington.

1. Submit high-resolution images of your artwork's front, back, and signature.
2. Include artwork dimensions
3. Also include provenance details.
4. Receive a service quote after an initial evaluation.
5. Proceed with payment.
6. After payment,we will conduct a scientific and historical analysis.
7. A detailed report is provided post-authentication.

Typically after initial research, though early assessments can be arranged based on your needs.

Timelines vary. Simple cases may take days, while complex or disputed works could take weeks or months.

The COA is provided free with authentication as part of the final report.

Preliminary consultations are free, while detailed services start at $300, depending on the scope.

Upfront payment is required to ensure an unbiased process.

No, post-sale payments are not accepted to maintain objectivity.

Yes, our reports are recognized by leading auction houses, meeting rigorous scrutiny standards.

We uphold strict confidentiality, safeguarding client identities and sensitive details for all collectors, galleries, and institutions.