Firms including Carrefour, Laura Ashley, Waitrose and Theo Fennell have signed up to the service.
Catherine Deneuve and Setsuko Klossowski were among guests who joined Bruno Frisoni, Inès de la Fressange and Miroslava Duma at the party Monday evening.
The proposal put a priority on exports, opening new markets, trade enforcement and cracking down on counterfeit products.
An understated lunch took place at the Museum of Modern Art in New York Tuesday to salute the LVMH chairman.
Financial markets, brands and retailers with interests in Russia are hoping the crisis in Ukraine will be resolved peacefully — and swiftly.