ECM was the first brewery in Portugal to be certified with the Environmental Management Standard ISO 14001, in January 2003.
In May of the same year ECM was certified with the Quality Management Standard ISO 9001:2000.
In 2006 and 2009 the Integrated Management System for Quality and Environment was once again audited, this time for certification renewal. The Management System is currently certified by the following standards NP EN ISO 9001:2008 and NP EN ISO 14001:2004.