EHO is a consultancy and design company for environmental, industrial and architectural acoustics, noise and vibration control and occupational health and safety. In 2021, we expanded to accreditation with the implementation of the laboratory quality system through ABNT ISO/IEC 17025. It has expertise in evaluations and simulations of Acoustic, Thermal and Lighting performance, as well as a structure to evaluate exposures in the internal industrial physical environment. and promote diagnosis to solve problems with sound, thermal, light and chemical agent sources. In our projects we always look for innovative solutions and new technologies. The EHO acoustic testing laboratory is accredited by the General Accreditation Coordination of Inmetro – CRL 1826. Its technical manager, working in front of the services, is an engineer and professor at renowned teaching and research institutions, with extensive experience in SSTMA activities.