We are a small, well-established UK company based in Ely, just north of Cambridge. We design and build vacuum-physics based instrumentation, primarily based on mass spectrometers, and particularly time-of-flight spectrometers. Our customers are mostly involved in research and environmental analysis, in Europe, Asia and elsewhere in the world. We work at the cutting edge of analytical chemistry, facilitating groundbreaking research in a wide variety of research areas such as atmospheric chemistry, medical breath analysis, manufacturing quality control, materials science and high energy physics. Our projects have included counting single atoms, creating chemical images of sample surfaces, helping analyse the solar wind, and looking for liver disease markers in human breath, to name but a few.