HKS, Inc. is an American international architecture firm headquartered in Dallas, Texas (US).

In 2006, HKS acquired the Stein-Cox Group and Trinity Design to have presences in Phoenix, Arizona and Detroit, Michigan, respectively.

The firm also opened offices in Miami, Nashville, Oklahoma City, and Chennai, India.

[2] In 2010 HKS announced the formation of a nonprofit architectural research group, Center for Advanced Design and Evaluation.

The HKS Science & Technology Practice[5] was formed after the firm acquired Earl Walls Studios in San Diego, California.