Halma plc operates a portfolio of technology companies focused on safety, environmental monitoring, and healthcare solutions. Its business model centers on acquiring and developing companies that deliver high growth and positive impact in niche markets. Halma's operations are divided into three sectors: Safety, which includes fire and worker safety technologies; Environmental & Analysis, which provides monitoring and testing solutions; and Healthcare, which enhances patient care through diagnostic and therapeutic technologies. The company serves customers in over 100 countries, with significant revenue generated from the US, Europe, and the UK.