Halma plc is a global group of life-saving technology companies that develops and markets products and services for hazard detection and life protection. The company offers a diverse portfolio of core products and services including gas detection systems, fire and smoke alarms, water leak detection sensors, people tracing and evacuation management software, medical devices such as endoscopy systems and patient monitoring equipment, photonics components for optical systems, and safety barriers for perimeter security; it also provides analytical instrumentation for environmental monitoring and process control across sectors like safety, health, environmental, and medical applications. Halma operates through three main sectors—Safety, Health, and Environmental & Analysis—serving industrial, commercial, public sector, and healthcare customers in markets including North America, Europe, Asia-Pacific, and other regions worldwide.
Founded in 1894 and headquartered in Amersham, Buckinghamshire, United Kingdom, Halma plc trades on the London Stock Exchange under the ticker HLMA (OTC: HALMY) and maintains a decentralized structure with over 50 operating subsidiaries focused on niche markets. The company targets safety-critical applications in industries such as oil and gas, water utilities, construction, pharmaceuticals, and semiconductors, emphasizing innovation in sensor technology and software solutions.
In recent developments, Halma completed the acquisition of Lemer Pax in November 2024, expanding its safety sector capabilities in pyrotechnic safety solutions for aerospace and defense; it also acquired FireAngel in September 2024 to bolster its fire detection offerings in Europe. The company announced a strategic partnership with Sentinum in early 2025 to advance AI-driven environmental monitoring technologies and launched new photonics products under its First Light Imaging brand for space and scientific applications. These moves reflect Halma's ongoing expansion into high-growth areas like AI integration and sustainable technologies amid robust fiscal 2025 performance.