Complete Genomics (CGI) is a high-performance DNA sequencing company whose mission is to dramatically reduce the cost of DNA sequencing for research, drug development, and diagnostic applications.

Founded in 2005 in Sunnyvale, CA, the company has developed a novel combination of high-density DNA nanoarrays, sequencing-by-hybridization and combinatorial probe-ligation chemistry, and high-performance computing techniques that promise to provide researchers and clinicians with fast, accurate, and inexpensive complete human genome sequencing.