Frequently Asked Questions

We are a diverse group of experts, researchers, forensic specialists, and lab technicians spread across various countries and cities, from Amsterdam to Paris, London, and Washington.

1. You provide photos of the front, back, signature, and close-ups of the details.
2. Include the dimensions as well.
3. Share all existing information, including history, origin, previous owners, and copies of relevant documents.
4. We will then give you a quote.
5. You pay
6. Once you make the payment, we’ll carry out the authentication process.
7. Finally, we’ll deliver the authentication report, and if verified as authentic, we will also issue a certificate of authenticity.

Typically, we conduct the research after the initial steps are completed. However, if you’d prefer to start with the research, we’re more than happy to accommodate that.

Renoir experts consider these paintings to be highly valuable. For liability and insurance purposes, it’s safer for the artwork to remain in your possession.

We assess the painting using:

• High-resolution photographs
• Live video feeds, such as Zoom meetings
• Any art storage facility globally
• In-person visits at your residence, office, bank, hotel, or any location you’re traveling to worldwide.

We conduct all necessary tests for authentication, including materials analysis, dating, specialized photography, and forensic studies. The specific tests required may vary depending on each case.

Typically, it takes a few days for a print. For paintings, the timeframe can range from a couple of weeks for straightforward cases to several months for more complex situations.

We do not charge for issuing a Certificate of Authenticity (COA). If the artwork is verified as authentic, we will automatically provide the COA.

We do not charge for answering many questions, providing advice, or giving value estimates, especially for select organizations and projects that we support. For other services, fees start at $300 for basic offerings.

No, that would create a conflict of interest. We would have a financial incentive to arrive at a specific conclusion, which is not acceptable.

No, because that would also create a conflict of interest. It would give us a financial incentive to arrive at a specific conclusion.

They do because our authentication process is exceptionally thorough and detailed. We conduct in-depth research, exploring every angle and checking all possibilities, leaving nothing to chance. Our reports are fully referenced, and authenticity is grounded in verifiable facts. This rigorous approach allows our authentications to be easily checked, verified, and scrutinized. As a result, our authentications are widely accepted by auctioneers, insurance companies, and financial lenders.

We prioritize the privacy of all our clients, including renowned individuals, art galleries, auction houses, museums, law enforcement agencies, law firms, insurance companies, banks, and other lenders. We do not disclose their identities, the services we provided, or the outcomes of our work.