Vestiaire Collective, often shortened to "Vestiaire Co," is a global online marketplace for buying and selling pre-owned luxury and designer fashion items. Founded in 2009 and headquartered in Paris, Vestiaire Collective connects buyers and sellers of secondhand luxury goods such as bags, clothing, shoes, sneakers, watches, and more. The platform is known for its expert authentication process, ensuring that listed designer items are genuine, and it promotes sustainable, circular fashion by encouraging the resale and reuse of high-quality fashion pieces. Vestiaire Collective hosts over 5 million items from more than 12,000 brands, adding around 20,000 new pieces daily. Besides Paris, it has offices in several major cities worldwide, including New York, London, Berlin, Hong Kong, and Singapore. The company focuses on sustainability, community engagement, fashion expertise, and trust, with impact initiatives to reduce the environmental footprint of fashion consumption. Users can buy luxury fashion at up to 70% off typical retail prices and sell their designer items through an easy-to-use platform with quality control and payment guarantees. The platform has strong partnerships with luxury brands and offers a unique "Resale as a Service" program to further integrate circular fashion into the industry. It also contributes to environmental efforts by lowering fashion's overall carbon emissions and educating consumers on the benefits of purchasing pre-owned luxury goods.