Erler Denetim is an auditing and consultancy firm, founded in 1965 by Ali Metin Ergüden, evolving from the premises of an Independent Accounting and Financial Advisory Office, assuming the professional know-how and experience from business practice as well as academic competences, providing corporate oriented services of Premium quality in issues covering accounting, taxation, auditing, internal auditing as well as control systems, human resources management and corporate finance consultancy, with a customer-focussed approach.