Mademoiselle Marg'O Champagne — An elegant Extra Brut, HVE-certified Côte des Bars terroir
Born out of a winemaking tradition passed down through three generations and launched in 2022 under the leadership of two strong-willed women, Mademoiselle Marg’O has established itself as one of the most distinctive labels in the Côte des Bars. Aurélie, an oenologist, and Sonia, a winegrower, have chosen to take a fresh look at their native terroir: Kimmeridgian clay-limestone soils — identical to those on which the reputation of the great Chablis is founded — where Chardonnay develops a mineral tension that is rare in this land of Pinot Noir. Certified to Level 3 of the High Environmental Value (HVE) scheme since 2021 and renewed in 2023, and situated within a Natura 2000 site at the heart of a UNESCO World Heritage Site, the house produces extra brut champagnes with low dosage, characterised by a finesse, balance and velvety texture that set them apart from the major champagne houses.
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The Mademoiselle Marg'O ranges — Dame Noire, La Violette, Osmose Rosé
The Mademoiselle Marg'O range comprises four extra brut wines with low dosage. La Dame Noire Extra Brut, the house’s prestige cuvée, reveals a deep, briny structure: perfect with pan-fried scallops or roast poultry with fine herbs. Pure Blanc de Blancs, with its distinct Kimmeridgian minerality, shines as an aperitif or with fine ‘de claire’ oysters. The ‘La Violette’ single-vineyard cuvée, a true expression of the terroir, pairs beautifully with a hard cheese or fish in a creamy sauce.The Osmose Rosé Vintage 2018 Extra Brut is a delight with wild strawberries, smoked salmon or bluefin tuna carpaccio.
These champagnes are best enjoyed at 8–10 °C in a tulip-shaped glass to reveal their full aromatic complexity. The extra brut cuvées can easily be cellared for 3 to 5 years;the 2018 Osmose Rosé Vintage, being a vintage champagne, has the potential to develop for 6 to 8 years in a cool, dark cellar.
Discover the full Mademoiselle Marg’O range at Pépites en Champagne: an artisanal selection, expert advice and careful delivery throughout France and Europe.
Mademoiselle Marg'O — Women Winemakers of the Côte des Bars
It was in 2022 thatAurélie and Sonia founded Mademoiselle Marg’O — a name paying homage to the first name Margaux, chosen as a symbol of elegance and confident femininity. As heirs to a family estate in the Côte des Bars, they decided to write their own chapter and showcase the unique character of their Kimmeridgian soils: a clay-limestone substrate unlike any other in Champagne, which gives the Chardonnay a distinct minerality and a crisp acidity that are uncommon in this predominantly Pinot Noir region.
The grapes are harvested by hand at perfect ripeness, with each grape variety pressed separately using a slow and gradual process. Vinification takes place in temperature-controlled stainless-steel vats, followed by a long period of ageing in the cellar — ensuring the aromatic integrity and velvety texture characteristic of each of the estate’s cuvées.
Your questions about Mademoiselle Marg'O champagnes
Who are the designers behind Mademoiselle Marg'O?
Mademoiselle Marg'O was founded in 2022 by Aurélie, an oenologist, and Sonia, a winegrower, both of whom come from a family of winegrowers in the Côte des Bars dating back three generations. The name Marg'O pays homage to the first name Margaux, a symbol of character and feminine elegance — a strong foundation for the identity of a winery that has chosen to forge its own path.
What food and wine pairings go well with Mademoiselle Marg'O champagnes?
La Dame Noire Extra Brut pairs well with pan-fried scallops or delicate poultry. A pure Blanc de Blancs shines with oysters or raw fish. The Lieu-dit La Violette pairs well with hard cheeses and fish in sauce. The Osmose Rosé Vintage 2018 brings out the best in wild strawberries, smoked salmon or tuna tartare. All of them make for a superb aperitif thanks to their low dosage.
How should Mademoiselle Marg'O champagnes be served and stored?
Serve these champagnes at between 8 and 10 °C in a tulip-shaped glass to bring out their full complexity. Store them lying down, away from light, at a stable temperature (10–12 °C). Extra brut cuvées can be kept for 3 to 5 years; the Osmose Rosé Vintage 2018, being a vintage champagne, can age gracefully for 6 to 8 years in the cellar.
Where can I buy Mademoiselle Marg'O champagne online?
Discover the full Mademoiselle Marg'O range at Pépites en Champagne — a selection of artisan products, expert advice and express delivery throughout France and Europe.
What makes Mademoiselle Marg'O’s terroir unique in Champagne?
Mademoiselle Marg'O’s vines grow on Kimmeridgian clay-limestone soils in the Côte des Bars — the same geological substrate as the great Chablis wines. This geology lends the Chardonnay a sharp minerality and a level of acidity rarely found in this region, which has historically been devoted to Pinot Noir, resulting in extra brut wines of remarkable precision and integrity.
What is the difference between a classic Brut and Mademoiselle Marg'O’s Extra Brut?
Mademoiselle Marg'O’s cuvées are all produced as Extra Brut, with less than 6 g/l of residual sugar — compared with up to 12 g/l for a standard Brut. This low dosage highlights the purity of the grapes and the unadulterated expression of the Kimmeridgian terroir, with no sugar to mask it. It is a commitment to transparency that only houses confident in the quality of their vineyards can uphold.
About
Champagne Miss Marg'O — the essentials
- Location
- Champagne (commune non spécifiée)
- Grape varieties
- Pinot Noir, Chardonnay
- Distinctions
- Haute Valeur Environnementale (HVE) niveau 3 depuis 2021, Certification HVE renouvelée 2023, Zone Natura 2000, Patrimoine mondial UNESCO (coteaux viticoles Champagne)
- Cuvées
- La Dame Noire Extra Brut, Pure Blanc de Blancs, Lieu-dit « La Violette », Osmose Rosé Vintage 2018 Extra Brut
