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Private Client Services

Siobhan Nefertari Renée is among the leaders in the field, stands ready to counsel any serious buyer, seller, or collector, even those entering the market for the first time.

To the most remarkable works in a market in which demand is evident, requires insider knowledge and contacts. Siobhan Nefertari Renée expands a collector's reach by research, observing, art market trends for the collector.

Making an informed decision as to whether or not to buy a work of art and knowing the right price to pay requires professional experience, careful analysis, and due diligence.

Siobhan Nefertari Renée brings to bear all the relevant factors about the artist, the market trajectory for their works, the particular work taken in the context of the artist's career, provenance, condition, literature, exhibition history, and comparative uniqueness.

 Providing impartial advice, for International Market Trends, and wide-ranging expertise in buying, selling, and collecting art.​
Providing the strictest private client confidentiality policy.


As an International Art Investment Consultant & Advisor, active across the international modern and contemporary art market. I tailor an curatorial approach to each collector’s interests, resources, and long-term goals, providing comprehensive guidance on collection strategy, management, and meaningful institutional affiliations.

Intended for experienced collectors who are looking for specific pieces and/or artists, as a  Fine Art Advisor I source works in the international market, vet them for quality, authenticity, and value, and manage all transactional negotiations, communications, and shipping. I keep comprehensive records and valuations of all works whose purchase we facilitate.

Individual acquisitions and sales services include:

-International art market analysis
-Developing a sales strategy for auction, gallery or private sale
-Negotiation of terms
-Pre- and post- sale logistics
- Liaising with tax and legal advisors

​-Project Planning and Budgeting
-Fine Artwork Selection and Commissions
-Evaluating, Managing and Caring for Existing Fine Artwork
-Custom Framing and Professional Art Handling Services and Installation 
-Fine Artwork Catalogue and Inventory Documentation

For Additional Information About My Capabilities, Process and Scope of Services, Please Contact Me Directly:


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