Halma plc, together with its subsidiaries, provides technology solutions in the safety, health, and environmental markets in the United States, Mainland Europe, the United Kingdom, the Asia Pacific, Africa, the Middle East, and internationally. It operates in three segments: Safety, Environmental & Analysis, and Healthcare. The Safety segment provides products that protect people, assets, and infrastructure, and electrical systems used in public and commercial spaces and in industrial and logistics operations. This segment serves fire safety, power safety, industrial safety, and urban safety markets. Its Environmental & Analysis segment offers technologies that monitor the environment used in optical analysis, water analysis and treatment system, and environmental monitoring technologies. The Healthcare segment provides technologies and digital solutions for life sciences, health assessment and analytics, and therapeutic solutions. The company was incorporated in 1894 and is headquartered in Amersham, the United Kingdom.