The Firm
A small, expert team dedicated to the luxury fashion industry. We advise on transactions, strategy, and licensing — with the depth of knowledge and standard of discretion that the sector demands.
Our Story
Byssus Partners was founded by advisors who had spent their careers inside the luxury fashion industry — and who believed that the sector's most important companies deserved a different kind of counsel.
Not the generalist approach of large investment banks, where fashion mandates are handled by teams with no sector specialism. Not the detached analysis of strategy consultants who have never sat across the table from a family founder or a heritage house board.
Something more specific. More senior. More attuned to the particular dynamics of luxury — where brand equity, heritage, and creative identity are as consequential as financial metrics.
How We Work
Sector Depth
We work exclusively in luxury fashion. This focus means our clients benefit from pattern recognition, relationships, and insight that generalist advisors cannot offer.
Senior Involvement
Every engagement is led by a partner. We do not delegate to junior staff. Our clients have direct access to our most experienced advisors throughout the life of a mandate.
Independence
We have no conflicts of interest. We do not manage funds, hold equity positions, or represent buyers and sellers simultaneously. We act solely in our clients' interests.
Discretion
We do not publicise our mandates, our clients, or our transactions. The fashion industry is small. Confidentiality is not a courtesy — it is a professional obligation.
The Team
Founding Partner
M&A Advisory · Strategic Advisory
Isabelle has spent over two decades advising luxury fashion houses on their most consequential decisions. Prior to founding Byssus, she held senior roles at two of Europe's leading investment banks, where she led transactions across ready-to-wear, accessories, and fragrance. She is widely regarded as one of the foremost M&A advisors in the sector.
Partner
Licensing · Strategic Advisory
Édouard brings deep expertise in brand licensing and intellectual property strategy. He has structured licensing agreements for some of the world's most recognised fashion names, spanning eyewear, fragrance, home, and hospitality. His work consistently balances commercial ambition with rigorous brand protection.
Partner
Strategic Advisory · M&A
Clara joined Byssus from a decade in strategy consulting, where she specialised in luxury goods and fashion retail. She leads the firm's strategic advisory practice, working with brand leadership on growth strategy, market entry, and portfolio decisions. She is known for her analytical rigour and direct counsel.
Isabelle Fontaine, Founding Partner