The company was founded 1990. in Rijeka, Croatia, as a private company specializing in software for HVAC design engineers. Since the early days we remained true to our vision of software development which is to make user friendly software with powerfull functions that help the designer with his daily work.

RAUinteg launch in Zagreb, April 2006.
Our products have changed with the times to include a large array of engineering calculations. Together with our industrial partners we now offer our software solutions in 11 european countries and our programs are translated to 10 different languages.
With this market growth our focus on qualty has increased. Over the years the company has grown to six employees including two mechanical engineers that specialize in customer support and software training.
We are as always busy developing the newest version of IntegraCAD. If you are interrested in some key development stages from our past look at the short list below: