BERTRAND-JOHNSON ACOUSTIQUE
        
      
    
    
    Experts in occupational hearing health, since 1979.
1979
          
          The foundation
RAB Ltd. was founded by neuro-otologist Dr. Robert A. Bertrand as a provider of medical expertise and occupational hearing health services.
                 
              1979
            1996
          
          CORTI © SOFTWARE
The development of CORTI © software has revolutionized audiometric test management, offering advanced solutions for research and commercial use.
                 
              1996
            1999
          
          Bertrand-Johnson
Dr. Bertrand joins forces with Dr. Daniel Johnson, a seasoned engineer, researcher and author, to consolidate activities in occupational hearing health.
1999
            2008
          
          Development
Ninon Bertrand supported the development of Bertrand-Johnson Acoustique's activities during the 2000s.
                 
              2008
            2018
          
          Partnership
United by a common vision, a strategic partnership has been created with ODYO for the prevention of hearing loss in the workplace.
                 
              2018
            April 30, 2021
          
          Acquisition
Our journey is one of continuous growth, unconditional commitment and the pursuit of new horizons.
Down with professional deafness!
Down with professional deafness!
                 
              April 30, 2021
            Bertrand-Johnson Acoustics
Vision
Collaborate with our customers to share our expertise and make an impact on noise-exposed workers.
Mission
It's simple: prevent occupational deafness.
Values
Social responsibility, integrity and creativity are our guiding principles.

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