The world of French luxury has been jolted by a bold new move: Thierry and Arnaud Gillier, the minds behind the fashion powerhouse Zadig & Voltaire, have extended their creative reach beyond apparel and into the storied realm of French jewelry. Their acquisition of Maison Poiray and Aurélie Bidermann signals not just a business transaction but a deep, strategic bet on the future of accessible luxury. As the Gilliers set their sights on revitalizing these beloved brands, the Parisian jewelry scene—and perhaps the global luxury market—stands on the brink of transformation.
The Gillier Brothers: From Fashion Mavericks to Luxury Visionaries
To understand the magnitude of this acquisition, one must first appreciate the Gillier brothers’ influence in contemporary fashion. Thierry and Arnaud Gillier are the founders of Zadig & Voltaire, a brand synonymous with effortless Parisian cool—rock-chic sweaters, luxe basics, and an insouciant approach to style that has garnered a cult following worldwide. Their entrepreneurial acumen is underscored by Zadig & Voltaire’s remarkable expansion: with around 400 stores globally, the brand has become a mainstay in luxury retail, constantly adapting to the shifting tides of fashion.
Yet, the Gilliers are not content with past triumphs. Their holding company, Iéna Investissements, recently completed the purchase of two quintessentially French jewelry brands—Maison Poiray and Aurélie Bidermann—previously owned by AMS Group, the private equity firm helmed by Jean Paul Bize. While the financial details remain under wraps, the intent behind this move is crystal clear: to diversify and strengthen their grip on the lucrative world of accessible luxury.
Why Poiray and Aurélie Bidermann? A Strategic Expansion into Jewelry
For the Gilliers, this acquisition is more than a portfolio play—it is a calculated leap into a sector that aligns with their vision of modern luxury. Both Poiray and Aurélie Bidermann occupy distinct yet complementary niches within the jewelry landscape. Maison Poiray, a Place Vendôme stalwart, is celebrated for its vibrant use of color and youthful spirit. Nicknamed the “jeweler of color,” Poiray stands apart in an industry often defined by tradition and restraint, earning a loyal clientele eager for playful sophistication.
Aurélie Bidermann, meanwhile, brings a bohemian flair rooted in Parisian artistry. Known for her eponymous brand’s organic forms and whimsical motifs, Bidermann herself took the creative helm at Poiray when AMS Group acquired a controlling stake in her label in 2016. Her departure in 2018 left Poiray without a creative director—a void that, for years, has begged for renewal.
The Gilliers’ acquisition, therefore, is as much about storytelling as it is about sales. By choosing brands with strong identities and latent potential, they are poised to write a new chapter in French jewelry, one that bridges heritage with innovation.
Poiray: The Last Bastion of Parisian Independence
Few names resonate in French jewelry quite like Poiray. Established on Rue de la Paix, the brand is one of the last remaining independent jewelry houses in France—a remarkable status in a landscape dominated by giants such as LVMH, Richemont, and Kering. While many of its Place Vendôme neighbors have long since been folded into global conglomerates, Poiray has retained its autonomy and, crucially, its creative integrity.
Its reputation as the “jeweler of color” is well-earned. Poiray’s designs are instantly recognizable—bold, bright, and playful, they defy the staid conventions of “serious” fine jewelry. For a new generation of consumers seeking individuality and vibrancy, Poiray offers an antidote to the ubiquitous minimalism of the past decade.
The Gilliers’ decision to acquire Poiray, then, is both a preservation and a provocation: Can the brand’s independent spirit survive—and even flourish—under new leadership, or will it inevitably be reshaped by the demands of scale and modern luxury’s global ambitions?
Aurélie Bidermann: Parisian Bohemia Meets Modern Glamour
Aurélie Bidermann’s eponymous label has long been a favorite among fashion insiders and jewelry aficionados. Her pieces, characterized by their organic shapes and inspired by nature, balance bohemian flair with an undeniable sense of Parisian sophistication. When AMS Group brought Bidermann on as creative director for Poiray, the pairing was seen as a masterstroke—a confluence of two distinct yet harmonious visions.
Yet, Bidermann’s exit in 2018 left a creative vacuum at Poiray. Since then, the brand has operated without a clear creative lead, resulting in a period of stasis and uncertainty. The Gilliers’ acquisition brings with it the promise of renewed direction. While no timeline has been set for appointing a new creative director, the intention is clear: to restore Poiray’s creative voice and, by extension, its competitive edge.
Revamp and Reawakening: The Future of Poiray’s Flagship
One of the most immediate changes on the horizon is a planned revamp—and possible expansion—of Poiray’s flagship boutique on Rue de la Paix in Paris. This location is not merely a retail space but a symbol of Poiray’s heritage and prestige. Any changes to the flagship will be closely watched by both industry insiders and loyal customers, as the Gilliers seek to balance tradition with fresh vision.
Thierry Gillier’s statement encapsulates the cautious ambition underpinning their strategy: “We just closed last week, so we need a short time to have reflection and to develop a real strategy. This is a long-term project to build the house.” This long-game mentality is significant. Rather than rushing to impose change, the Gilliers are signaling a thoughtful, measured approach—a rarity in an industry often obsessed with speed.
Accessible Luxury: The Gilliers’ Broader Ambition
The acquisition of Poiray and Aurélie Bidermann is not an isolated venture. It is part of a larger, carefully considered strategy to expand the Gilliers’ presence in the accessible luxury market—a segment that has shown remarkable resilience and appeal, particularly among younger consumers seeking quality and exclusivity without the astronomical price tags of ultra-high luxury.
- Diversification: Moving beyond fashion, the Gilliers are creating a cross-category luxury portfolio, echoing the multi-disciplinary approach of global luxury groups.
- Synergy: By leveraging their experience in fashion retail and branding, they can inject new energy into jewelry houses that possess strong heritage but need modernization.
- Global Reach: With Zadig & Voltaire’s established international footprint, the potential for cross-pollination between fashion and jewelry—and even hospitality—becomes a tantalizing prospect.
This is not the Gilliers’ first foray outside fashion. Their hospitality venture, Château Voltaire, is a boutique hotel in Paris that exemplifies their knack for translating brand DNA into immersive experiences. Such cross-industry fluency may well be their secret weapon as they seek to reinvigorate these historic jewelry brands.
The State of Play: Challenges and Opportunities
While the Gilliers’ ambitions are clear, the path ahead is not without challenges. The jewelry sector, especially at the intersection of heritage and contemporary style, is notoriously competitive. The absence of a creative director at Poiray is a pressing issue, as is the need to articulate a distinctive voice for both brands in a crowded marketplace.
Moreover, the global retail landscape is in flux. Zadig & Voltaire’s recent closure of all stores in China underscores the volatility of international markets. However, the brand’s continued search for a new partner in China—and sustained growth in South America, described by Thierry Gillier as “a great success”—demonstrates both resilience and adaptability. These lessons will undoubtedly inform the strategy for Poiray and Aurélie Bidermann as they are folded into the Gilliers’ expanding universe.
The Long Game: Rebuilding Legacy with Modern Relevance
The Gilliers’ approach is rooted in a commitment to “build the house”—a phrase that carries deep resonance in the world of legacy brands. It suggests a focus on long-term value creation, respectful of heritage yet unafraid to innovate. The upcoming appointment of a new creative director at Poiray will be a pivotal moment, setting the tone for the brand’s next era.
For Aurélie Bidermann, the challenge will be to maintain the founder’s distinct aesthetic while evolving to meet contemporary tastes. Here, the Gilliers’ proven ability to strike a balance between tradition and modernity, as evidenced by Zadig & Voltaire’s enduring appeal, could prove decisive.
Conclusion: A New Chapter for French Luxury
The acquisition of Poiray and Aurélie Bidermann by Thierry and Arnaud Gillier is more than a business deal—it is a statement of intent. As the brothers chart a new course for these iconic names, they are inviting the world to witness a rare experiment: the meeting of independent spirit and entrepreneurial ambition, Parisian heritage and global vision. The jewelry houses of Poiray and Aurélie Bidermann now stand at the threshold of reinvention, backed by a team that understands both the power of brand and the necessity of evolution.
As the Gilliers take their first steps in this long-term project, all eyes are on Rue de la Paix—and beyond. Will these storied maisons reclaim their place at the heart of Parisian luxury? The answer, undoubtedly, will shape the future of French jewelry for years to come.











