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A study by professors from the Universities of Murcia and Cartagena and Arizona (USA) shows that firms certified to ISO 9000, both in the 1994 version as in 2000, do not get better results than the not certified.
Through analysis of 713 Spanish manufacturing firms, the authors conclude that certification does not produce significant improvements in the nine factors analyzed, as production costs, internal and external quality, customer satisfaction and others.
The researchers note that although the 2000 version is closer to the practices of total quality management to the 1994 certified companies fail to clearly better results than those not certified.
This research has been conducted by Professor of the University of Murcia Micaela Martínez, professor of the Polytechnic University of Cartagena and Jose Martinez of Arizona Thomas Choi.
Source: Universidad de Murcia
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