Sensirion AG is a Swiss sensor manufacturer founded in 1998 and headquartered in Stäfa, Switzerland. The company focuses on the development and production of high-quality environmental and flow sensor solutions. It pioneered CMOSens® technology, which combines sensor elements and signal processing on a single CMOS chip. Sensirion’s core product families include the SHT series for humidity and temperature sensing, the SGP series for gas sensing, the SLF series for liquid flow measurement, the SFM series for mass flow meters for gases, and the SDP series for differential pressure sensors. The company also offers the SPS30 particulate matter sensor and various CO₂ sensors. Its sensors are deployed across automotive, medical, industrial, and consumer electronics applications. Sensirion is recognized as a global market leader in humidity sensors and holds strong technological advantages in integrated environmental sensing. The company has been listed on the SIX Swiss Exchange since 2018 under the ticker symbol SENS. Sensirion continues to drive innovation for the Internet of Things, smart buildings, and industrial automation.