About Testo

Founded in Germany’s Black Forest in 1957, Testo began with the development of its first electronic thermometer. Since then, the company has grown into a globally recognized measurement technology brand, supporting everyone from independent trade professionals to major pharmaceutical organizations with reliable tools for critical, everyday decisions.

Testo headquarters

Measurement Instruments, Solutions and Services

Testo offers a broad range of measuring instruments, connected solutions and professional services designed to provide accurate, dependable information. Its technology supports essential applications such as maintaining food safety, optimizing heating and HVAC/R systems, and meeting strict quality and compliance requirements in pharmaceutical production.

Confidence Behind Every Decision

By making measurement processes more efficient and reliable, Testo helps professionals improve the quality of their products and services while reducing the time and resources required to complete their work. When accuracy matters, Testo provides the confidence needed to make informed decisions.