Genomic testing company Sema4 will expand in Stamford with plans to add 408 new jobs over the next five years.

The company plans to expand its headquarters at 333 Ludlow St. in Stamford and labs at 1 Commercial St. in Branford, while relocating lab facilities from New  York City to a yet-to-be-announced location in Stamford, Gov. Dannel Malloy announced. The plans would bring Sema4’s Connecticut workforce up to 553 employees.

The Department of Economic and Community Development (DECD) will provide a $6 million loan for the purchase of machinery and equipment, capital improvements, and the creation of 408 jobs in Connecticut. The company is eligible for partial loan forgiveness if certain milestones are met. DECD provided the company a $9.5 million loan to create 145 jobs in the state in December 2015.

“Connecticut offers a very attractive environment for our company to grow along the talent-rich biotech corridor running from New York City to New Haven, with a stellar pool of qualified candidates, plus competitively-priced commercial real estate and the presence of leading universities and medical centers,” Eric Schadt, founder and CEO of Sema4, said in a statement.

The company offers advanced genome-based diagnostics for reproductive health and oncology and is building predictive models of complex disease.