Founded in 1989 in Switzerland, CAS provides cleanroom services primarily to the pharmaceutical manufacturing market. With annual revenue of around CHF 10 million, CAS offers measurement services, process qualification, calibration services, and product sales. The company will be integrated into Particle Measuring Systems (PMS) within Spectris' Materials Analysis segment, while maintaining its distinct service brand. CAS aims to achieve strong growth by leveraging PMS's technical expertise in particle counter manufacturing and expanding its Good Manufacturing Practice services across PMS's existing sales network.