Independent 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
Review artwork

Reports from $99

Only have a listing link? Start with the case form.

Real authentication cases

Four examples from the public case archive.

S. H. Raza S. H. Raza painting study artwork image for ConfirmArt expert art authentication evidence reviewS. H. Raza

S. H. Raza painting study

An S. H. Raza painting is examined through frame, reverse, impasto, abstract landscape comparables and signature evidence. The report weighs surface and style.

Keith Haring Keith Haring drawing study artwork image for ConfirmArt expert art authentication evidence reviewKeith Haring

Keith 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 Picasso PPSMFR06 after Femme nue et guerrier artwork image for ConfirmArt expert art authentication evidence reviewPablo Picasso

PPSMFR06 after Femme nue et guerrier

PPSMFR06 is compared with Femme nue et guerrier, 1969. Signature, date, line continuity and thematic structure point toward reproduction.

Henri Edmond Cross Painting attributed to Henri Edmond Cross artwork image for ConfirmArt expert art authentication evidence reviewHenri Edmond Cross

Painting attributed to Henri Edmond Cross

A coastal painting signed Henri Edmond Cross is reviewed through composition, support, provenance, signature and modern material clues. Open the case to see the findings.

Customer experiences

How customers used their report.

Read published reviews on Trustpilot

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 2026

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 2024
Paraphrased from published customer accounts. Individual experiences vary; banks, sellers and other third parties make their own decisions.

Partners 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 logoGoodwill of Central and Northern Arizona
Westmore Gallery logoWestmore Gallery
Ingress Ventures logoIngress Ventures
Invaluable logoInvaluable
eBay logoeBay
and many morePrivate collectors and professionals