City Technology leads the global market in the design and manufacture of innovative and reliable gas sensors for use in personal and fixed life safety systems.

Established by a team of scientists at London’s City University campus in 1977, City Technology has grown into an international business employing over 400 staff in facilities in the UK, Germany, China, Taiwan and the USA. We share a single minded commitment to driving product quality to new levels and setting the standard in gas sensor performance, enabling instrument manufacturers around the world to offer the most accurate and reliable gas detection solutions.

Every day, millions of people around the world trust our sensors to keep them safe and protect them from harmful gases. Not only in harsh, hazardous environments, but also in transit situations, at home, at work, even in hospitals.

Dedicated customer support

From initial specification to delivery and after sales support, our job is to ensure you receive the products and services you need, when and where you need them. We have PhD qualified scientists and highly experienced mechanical design engineers providing guidance on the best use of our sensing technology, and a dedicated technical team to assist with product selection, electronics integration, calibration and problem solving.

Manufacturing excellence

The City Technology business philosophy is rooted in the drive for continuous improvement and nowhere is this more evident than in our manufacturing processes. Initiatives such as Six Sigma and Lean ensure that our products meet exacting standards for quality and reliability. Consistent product performance is critical to our OEM partners and we achieve this using advanced technology within our automated facilities.

Meeting the needs of instrument manufacturers

Because of our flexibility, global reach and a single-minded focus on gas sensing technology, we are perfectly placed to respond to customer needs.

We deliver:

  • quality products manufactured to the highest technical standards
  • flexible services tailored to suit individual customer requirements
  • technical solutions that reflect the commercial realities of the market
  • continual improvements in product design and sensing technologies
  • the widest range gas sensing solutions for instrument manufacturers.