Castlight Health, Inc. provides health navigation solutions for employers and health plan customers in education, manufacturing, retail, government, and technology industries in the United States.

It provides Care Guidance Navigator that enables users to make better care decisions and navigate the employer-sponsored healthcare benefit programs; Wellbeing Navigator, which helps to drive engagement across an employer's benefits program; Complete Health Navigator that combines the Wellbeing Navigator and Care Guidance Navigator packages for unified user experience; and Castlight Care Guides, a high-touch navigation service.

The company also offers white-labeled health navigation solutions and embedded platform technology services.

In addition, it provides implementation and marketplace services.

The company was formerly known as Ventana Health Services and changed its name to Castlight Health, Inc. in April 2010.

Castlight Health, Inc. was incorporated in 2008 and is headquartered in San Francisco, California.

As of February 16, 2022, Castlight Health, Inc. operates as a subsidiary of Vera Whole Health Inc..