★★★★★
Evidence prepared for a bank refund process
A buyer reports receiving a detailed assessment in two days and using it to submit refund documentation to their bank.
Dourati · United States · July 2026Independent art authentication reports
Is the artwork what it claims to be?
Roy S. personally investigates your case and delivers a signed, evidence-based report.
- 20+ years in artwork research
- 161 published case studies
- Private by default
Only have a listing link? Start with the case form.
Real authentication cases
Four examples from the public case archive.
Keith HaringKeith Haring drawing study
A Keith Haring drawing study is tested through line grammar, motif structure and inscription evidence. Click through to see the comparative review.
Pablo PicassoPicasso inscription study
A Picasso inscription study is reviewed through dedication wording, handwriting, date, drawing structure and comparative style. The report follows the text.
Jean-Michel BasquiatUntitled Basquiat study
A Basquiat study is examined through text, composition, surface and comparative evidence. Open the report to see how the claim is tested.
ManoblaDesert Scene
A Manobla desert scene is examined through signature, subject, surface and decorative language. The case asks what the object can reliably support.
Customer experiences
How customers used their report.
★★★★★
Repeated use by an auction-house owner
A professional client reports ordering numerous reports for clients and personal cases, describing the work as precise and fast.
Adrian Jacob · United States · February 2024Partners and clients
ConfirmArt supports galleries, appraisal platforms, charities, ventures and private collectors.
Selected collaborations and client contexts include gallery inventory, artwork research, authentication support, catalogue documentation and market-facing case files.
Goodwill of Central and Northern Arizona
Westmore Gallery
Ingress Ventures
Invaluable
eBayand many morePrivate collectors and professionals