KELLER UK is the national point of contact for KELLER and is responsible for all business activities in the UK and Ireland. KELLER UK is a wholly owned Subsidiary of KELLER AG fur Druckmesstechnik. KELLER is Europe's largest manufacturer of isolated piezoresistive Pressure Sensors and Pressure Transmitters. We are a world leader in pressure sensing technology continually developing new materials and manufacturing processes, that is why we remain successful. KELLER is certified according to ISO 9001:2015.