The company's main focus is on developing and commercializing genetic analysis technologies. Their flagship product, the Solexa Genome Analysis System, utilizes their own sequencing technology to enable a wide range of DNA analysis applications. This includes whole genome resequencing, gene expression analysis, and small RNA analysis. The system is designed to provide accurate and efficient results, making it a valuable tool for researchers and scientists in the field of genetics. Solexa primarily operates in the United States and the United Kingdom.