A bespoke service and expertise dedicated to supporting you in the acquisition and sale of the finest artworks on the market.

Who we are

Founded by Nathalie Guiot, 5e Couleur Advisory is an art consulting service based in Paris. Specializing in the post-war and contemporary art market, our goal is to guide and follow collectors through the market, helping to identify investment opportunities that are both aesthetically and financially rewarding.

Drawing on a global network of collectors and art professionals, 5e Couleur Advisory offers our clients privileged access to the finest opportunities on the market, whether acquiring works for their collections or reselling them. This commitment takes us around the world to attend major art events: fairs, auctions, significant exhibitions, fundations and studio visits, so we can best represent our clients’ interests.

Among the prestigious works entering collections are both emerging artists and established artists from the secondary market spanning painting, drawing, photography, sculpture and bespoke installations.

Buying or selling art can be a challenging endeavor given the vast and complex nature of the market. Within your budget, we make the process seamless by offering:

Independent expertise
Drawing on our deep understanding of both the art market and the historical and aesthetic significance of works, we provide the insights you need to acquire or sell with confidence.

Extensive international network
Access a wide range of artworks from renowned and emerging artists on both the primary and secondary markets for Post-War & Contemporary Art. We also facilitate the resale of pieces from your collection through the right channels.

Corporate Art Consulting Personalized guidance
We support you at every stage of the acquisition or sale process, ensuring a smooth and informed experience.

Comprehensive collection management
From storage and conservation to tax matters, transportation, insurance, and museum loans, we take care of all aspects of your collection.

Artwork Selection & Strategy
Using our global network, we identify works that align with both your personal taste and strategic investment criteria. Our approach combines aesthetic evaluation with market insights to ensure lasting value and liquidity.

Authenticity & Provenance
We ensure that every aspect of the transaction is fully reliable. This includes verifying the authenticity of the artwork, reviewing detailed provenance and condition reports, and confirming that the piece is genuinely under the seller’s control—whether in their possession or held in a designated storage facility. 

Transportation & Installation
Once an acquisition is confirmed, we coordinate with trusted transporters and storage partners to ensure secure handling. For direct delivery, we provide trusted installation services to display your artwork safely and elegantly.

The Selling Process

Artwork Research and Expertise
Our role is to provide a precise and informed evaluation of each artwork. This includes in-depth market research, a thorough study of the artist’s career, and a detailed understanding of the work’s provenance and historical context. By combining scholarly insight with current market intelligence, we ensure that the piece is positioned at its most accurate and competitive value.

Selecting the Appropriate Channel
Choosing the most suitable channel of sale is an integral part of the strategy defined during the acquisition process. Depending on the artist’s market position and its evolution, different avenues—auctions, galleries, or private transactions—may prove more advantageous. We guide you in identifying the optimal option to secure the most favorable outcome and value for your artwork.

Sale Support
We accompany you throughout every stage of the sale, from identifying and approaching potential buyers to leading negotiations with discretion and efficiency. Beyond the transaction itself, we also provide tailored advice on the financial and fiscal aspects of the sale, ensuring that each decision aligns with your broader collection and investment strategy. Our role is to make the process seamless, transparent, and advantageous at every step.