In 1984 Randolph Duke opened Randolph Duke, Inc., and unveiled his first collection. In 1986 he developed a sportswear line under his own name, complete with an eponymous retail store on manhattan’s Upper West Side. From 1987 to 1992 he debuted his first men's line, Duke Men, and dissolved his company in 1990. The same year he signed a contract with 168, Inc. for a swimwear line.
In 1991 he launched first jewelry collection. From 1993 to 1995 he reorganized sportswear line under the name Randolph Duke.
In 1996 Randolph Duke debuted his formal evening wear. In 1998 he opened store and began designing in Los Angeles. In 1999 he debuted the Randolph Duke Resort Collection.
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