Map — Giesshübelstrasse 14, 8700 Küsnacht, Switzerland

Office in Küsnacht

Our office is in Küsnacht, nearby Zürich, at Lake Zürich.

The agency amman | horak represents opera singers, stage direktiors and accompanists etc. and cooperates worldwide with opera houses, concert and classical events promotors.


ammann horak llc

for opera artists


Giesshübelstrasse 14
8700 Küsnacht
phone +41 44 221 33 88
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Contact Persons
Stephanie Ammann    Stephanie Ammann
Managing Director
    phone +41 44 221 33 87
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Mariano Horak    Mariano Horak
Managing Director
    phone +41 44 221 33 86
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Claudia Vieli    Claudia Vieli
Project Support
    phone +41 44 221 33 89
only on Fridays
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  Stephanie Amman
  Mariano Horak
  UID CHE-199.591.941
  Tax-ID CHE-199.591.941 MWST
Surveillance Authority
  Handelsregisteramt des Kantons Zürich
  Train S6  or  S16
  (from Zürich) Direction Uetikon
  Station Küsnacht or Station Erlenbach


Contact form

Attention of
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ammann horak llc does not hold any general auditions.
If you want to send your material, please send via postal mail or via email your complete documents as:

  • Recent video/audio material that represents the range and the possibilities of your voice
  • An updated biography including date of birth
  • A recent photo
  • Your repertoire list

As we receive lots of materials, please understand that we will contact you only in case we are interested.
We will not return any material.