World market leader in the field of portable and stationary measurement solutions. Testo, with its headquarters in Lenzkirch, Schwarzwald, is a world market leader in the field of portable and stationary measurement solutions. As an expert in measuring technologies, Testo is the choice of more than 1,000,000 customers worldwide annually with its modern, highly precise measuring instruments and innovative solutions for processing measurement results. Testo instruments help save time and resources, protect the environment and human health, and increase the value of goods and services.

The above-average investments in the future of the company are a part of Testo’s recipe for success. Testo invests a tenth of its annual turnover in research and development.