City Technology Email Format
Chemical ManufacturingEngland, United Kingdom201-500 Employees
City Technology designs and manufactures gas sensors for both personal and fixed life safety systems. Founded in 1977 by scientists from London's City University, the company is based in Portsmouth, England, and operates internationally with facilities in the UK, Germany, China, Taiwan, and the USA, employing hundreds of staff. It emphasizes high-quality, reliable sensor performance and supports instrument manufacturers in delivering accurate gas detection solutions. Its customer base spans industrial safety, emissions, automotive, medical, and residential safety markets, with flexible services tailored to meet market realities. In 2021, the company introduced the 4OXV oxygen sensor, which uses vented technology to eliminate false alarms, reflecting ongoing product development.