The Onyx Agency is a full service personal management company with offices in Connecticut and Florida. Onyx represents a diverse range of talent for Broadway, television, films, recording artists, and producers. In addition to the traditional work performed by Onyx, Onyx also provides licensing and brand developing for its clients.

The Onyx Agency was started as a joint venture between talent manager Marsha Vacirca and music industry producers Adam von Gootkin and Peter Kowalczyk.