From wine portfolio services and collection organization to authentication and estate valuation, Chai Consulting offers the full range of expertise that serious collectors and professional stakeholders need.
Chai Consulting provides independent fine wine advisory services from its Bay Area base, with a global team serving clients across the United States, Europe, and Asia. Whether you need rare wine management, formal appraisal, authentication, or guidance on selling a collection, our work is guided by your goals, not by an inventory position or auction-house affiliation. Founded in 2005 by Maureen Downey, the practice brings specialized expertise to every stage of the collection lifecycle.
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Explore authentication, management, sourcing, liquidation, appraisal, education, and expert witness services for fine wine collections worldwide.

Discover Chai Consulting’s history, independence, expertise, global reach, and discreet approach to fine wine advisory services.



