Architect DI Harald Mallner.
The architectural practice was established in 2001.
A generally sworn and court-certified expert since 2011.
Office address Porzellangasse 36/7, 1090 Vienna
Telephone +43 (1) 968 17 89
Email office@mallner.net
VAT ID: ATU60659978, Registered office: Vienna; Commercial Court of Vienna,Federal Chamber of Architects and Consulting Engineers: www.arching.at
Time for your enquiriesOffice hours: Monday to Thursday, 09.00–12.00 and and 14.00–17.00. Friday: The office is closed; we’re still on it.
How to find us
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General Terms and Conditions
The General Terms and Conditions for the services of state-authorised architects and consulting engineers (AGB-ZT), January 2026 version, apply. They form the basis of every engagement and all services provided by Arch DI Harald Mallner.
Vienna, January 2026 · 6 pages · The title opens the document in a new window; Download saves it as AGB-ZT_2026-01.pdf.