Synergic Use of Software Quality Models

The article supports the idea that nowadays using more software quality models in a synergic way and customizing them to fit the specific needs of an organization is the only viable option for doing efficient process improvement in software companies. The argumentation is done by presenting a theoretical framework in which the quality models can be placed. Next, we describe our personal experience with using this framework in a Hungarian software company, presenting the main results of a 11 years-long case study. The article emphasizes the businessdriven SPI project of the company, started to enrich the ISO 9001:2000-conform quality system, and the way of consiously using more quality models to do this. In the end of the article we shortly present the huge organizational change the company has undergone, and its consequences on the previously started software process improvement program.