Çelik İnşaat, ISO 9001: 2015 Quality Management System, ISO 14001: 2015 Environmental Management System, OHSAS 18001: 2007 Occupational Health and Safety Management System, SO / IEC 27001: 2013 Information Security Management System ve ISO 10002: 2018 Customer Satisfaction Management System sertifikalarını almıştır.
ISO 9001:2015 Quality Management System Certificate
OHSAS 18001:2007 Occupational Health and Safety Management System Certificate
ISO 14001:2015 Environmental Management System Certificate
ISO /IEC 27001:2013
Information Security Management System Certificate
ISO 10002:2018
Customer Satisfaction Management System Certificate
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