4Basebio plc specializes in synthetic enzymatic DNA synthesis for genetic medicines, including cell and gene therapies, DNA and mRNA therapeutics, and vaccines. The company operates a scalable contract manufacturing model, providing GMP-grade synthetic DNA to pharmaceutical and biotech clients transitioning from research to clinical trials and commercialization. With in-house enzyme manufacturing, 4Basebio maintains quality control and rapid product iteration. It serves a diverse customer base of over 125 partners across the biotechnology and pharmaceutical sectors, primarily in the UK and Spain.