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About Us

HSY Audit is committed to impeccable quality service, highly integrated service delivery processes and a common set of core values that guide our decisions daily.

Our firm is well-established as a leader in its national business community and is staffed by nationals, thereby providing a knowledge of local laws and tax regulations which is important to clients undertaking new ventures or expanding into other countries.

Crowe Horwath is known for its impeccable professional service to privately and publicly held businesses in all sectors and has built a local and international reputation in the areas of Audit, Tax, Advisory and Risk.


Our Global Reach
In addition to our local and regional services, as a member of Crowe Horwath International, we can draw on a worldwide network of independent professionals and their know-how. The Crowe Horwath network consists of more than 150 independent accounting and advisory services firms in over 100 countries around the world.

As a member firm of Crowe Horwath International we offer comprehensive, international expertise in a broad range of business consulting practices, including assurance, benefit plan services, corporate finance, risk consulting, forensic services, performance services, tax consulting, and technology.

This unique combination of our local and regional talent coupled with the global reach of our network provides us with the local expertise and global worldwide capabilities our clients expect and deserve.


Contact Us
Dr.Hasan Yalcin
Istanbul, Turkey
+90 212 215 24 02