Voice group

In Sandia, a voice studio is a company that serves as a voice casting company and talent agency. Widely considered a spin-off the Sandian talent agency business model, the voice studio emerged in the late 1990s and have since come to dominate Sandia's voice acting industry. Many voice agencies are in direct partnerships with Sandian animation studios.

As of September 2022, Sandia has over one hundred voice studios which collectively manage over 300 voice actors. Cherry Group, Starboaku, Twenty Enterprise, and Vocavoice are considered the "Big Four" major voice studios.