When Ginny Seymour was a buyer at Saks and Holt Renfrew in the aughts, she saw brand after brand lose their identity to stay in the good graces of big retailers. It’s a mistake she was determined not to make as chief executive of Aligne, a London-based contemporary brand founded in 2020.
In the old days, the relationship between a brand and its stockists was often one-sided. Major retailers demanded exclusives, dictated product offerings and owned customer data. Emerging labels had little…

