The agency will act as publicist for the rapper in the UK, where he is currently filming scenes for upcoming film The Fast and The Furious 6.
Ludacris has won three Grammy awards in a career that has seen him go multi-platinum several times, with albums including Word of Mouf and, most recently, Battle of the Sexes.
His first big break on the big screen was with 2 Fast 2 Furious in 2003.
Outside Edge division head Shoshanna Stone will lead work alongside publicist Matt Ott, with a focus on handling all press, TV and online coverage. A new album is expected to be released early next year.