Velleman has been developing electronics for over 40 years. They are currently based in Belgium but have established offices in Spain, France, the Netherlands, Sweden, Poland, China, Taiwan, and the USA. However, their products are currently distributed throughout 85 countries. Velleman also owns subsidiary brands HQ Power and Perel. Their current line contains over 18,000 products, of which a large portion is test and measurement equipment and tools for electrical applications.