Judges Scientific plc operates as a serial acquirer and developer of niche scientific instrument businesses. The company is organized into two main segments: Materials Sciences, which provides tools for testing and analyzing materials (such as geotechnical and fire testing), and Vacuum, which manufactures equipment for creating airless environments for research and industrial applications. Its portfolio includes over 20 subsidiaries, such as Fire Testing Technology, GDS Instruments, Geotek, and Scientifica. While its manufacturing operations are predominantly based in the United Kingdom, Judges Scientific sells its specialized analytical and testing equipment globally to higher education institutions, regulatory authorities, and industrial clients. The company is distinguished by its disciplined, decentralized acquisition model that targets businesses with strong cash generation and established market positions.