Certifications in elaboration of engineering projects, enterprise management project services and integrated social management by ABS Quality Evaluations.

ISO 9001 version 2008 - Certificate No. 62073 since 1999.

ISO 14001 2004 version - Certificate No. 42947 since 2008.

OHSAS 18001 version 2007 - Certificate No. 42948 since 2008.

ABS certifies the Construction & Infrastructure division in the level 6 of the QUALIHAB (the São Paulo State Habitational Housing Quality Program). This program is promoted by the CDHU - Housing and Urban Development Company of the State of São Paulo - (certificate of qualification no. 70165), the highest level of certification awarded to consulting engineering companies.