Cadna noise modelling

We are a ingenieur company based in zuerich, switzerland. Do to capacity utilization we would like to find a partner which does environmental noise predictions whit cadna a for us. You have to be a Acoustic Engineer whit at least 2 years experience in acoustic engineering whit cadnaa and you must have a copy of the Datakustik Candaa noise modelling software. You should also be able to do this calculations based on all currently valid swiss norms.