In 1980 he became a partner with Dr. Walter Strigl and in 2006 with Mag. Andreas Stolz. Dr. Horak is a long-time member of the Viennese and Austrian Bar Association, vice president from 1996-2009, and he was nominated several times as arbitrator in arbitration proceedings (ICC as well as WKO).
His meritorious activities in professional political (i.e. creation of effective protection of trust agreements) were honoured with several remarkable awards by the Austrian and Viennese government as well as by the Austrian Bar.
His law firm Dr. Horak – Mag. Stolz Attorneys at Law is generally practising civil law focusing on corporate/M&A, business law and real estate. Special fields are national and international transport, maritime, and freight forwarders law; clients are well-known Austrian and European insurance companies, national and international fright as well as small and medium-sized companies in different commercial branches.
His law firm cooperates closely with the renowned law offices of Mag. Sundstrom, Dr. Marschall-Mag. Heinz and Prof. Dr. Kretschmer and other firms throughout the entire European Union.