JS Link, Inc. is a genome-based biotechnology company focused on research and development of genome analysis services in South Korea and internationally. Its next generation sequencing services include whole genome sequencing, De Novo sequencing, whole exome/targeted sequencing, transcriptome sequencing, epigenome sequencing, and single-cell RNA sequencing. The company also offers microarray services such as DNA and microarray RNA analysis, the Fluidigm BioMark System (an automated PCR/qPCR system), TaqMan assay, and SNaPshot assay, as well as rare earth and permanent magnets. Formerly known as DNA Link, Inc., it changed its name to JS Link, Inc. in April 2025; it was founded in 2000 and is headquartered in Seoul, South Korea.