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General Terms and Conditions

Koller Auktionen AG. Hardturmstrasse 102, 8005 Zurich, Switzerland. T +41 44 445 63 63, Email:

Registration in the commercial register

Eingetragener Firmenname: Koller Auktionen AG. Nummer: CHE-105.925.182. Handelsregisteramt: Zürich

Privacy Notice, Koller Auctions Ltd

With regards to this Privacy Notice, Koller Auctions Ltd, Hardturmstrasse 102, 8005 Zurich, Switzerland (“Koller”) is the Data Processor responsible for treating and processing data.

By checking a relevant checkbox or by clicking on a confirmation button while registering on or using Koller’s website ( including all domains and subdomains (“Website”), or through the establishment of an agreement with Koller which concerns this Privacy Notice, or the availment of a service through Koller when this Privacy Notice is provided or made accessible, you confirm that you have taken note of the present Privacy Notice and that you give your consent to the processing of your Personal Data according to this Privacy Notice.

You may withdraw your consent to the processing of your Personal Data according to this Privacy Notice at any time. You have the right to – according to availability and applicable data protection laws – access to data, access to information, as well as the correction and deletion of data and the right of appeal. For all such requests, as well as for further questions, suggestions and comments relating to data protection, please contact the person responsible by email:

Use of your Personal Data
Personal Data includes all information relating to an identified or identifiable person. It provides information concerning the identity of a person. This includes information such as name, address, post code, telephone number, email address, birth date, credit card number, etc.

All Personal Data provided by you while registering on the Website, or in the context of the negotiation, conclusion, execution or performance of an agreement, will be used by Koller to the extent that it is necessary for the proper conduction of an auction as well as the execution of the relevant contracts within the context of the business relationship between yourself and Koller. This may include communicating the Personal Data of the Purchaser to the Seller and the Personal Data of the Seller to the Purchaser (if the Data is made available) in case of defaults in performance or legal disputes concerning the auction or the auctioned item.

For the purpose of a possible shipment or a possible storage of an auctioned item, Koller may communicate your Personal Data to an external service provider, who will process this Data in the name of Koller and according to Koller’s instructions concerning data protection and the requisite security procedures.

Koller is furthermore permitted to collect your Personal Data for the purpose of customer service and to use it in the context of Koller’s business activities in connection with their future auctions. All of your Personal Data collected by Koller will be used exclusively for direct communication with you.

Insofar as Koller is required legally or by court ruling, your Personal Data will be communicated to the appropriate legal authorities.

Koller protects Personal Data from loss, misuse, unauthorised access, disclosure, alteration and damage by means of appropriate measures. For this purpose Koller utilises adequate technical and administrative security measures, continually improved in line with technological developments. However, Koller cannot guarantee the absolute security of Personal Data. Koller assumes no liability for breaches of these security provisions, provided they have not been caused intentionally or as the result of gross negligence. The confidentially and safety of your Personal Data is also protected by the password you have selected; it is your responsibility to ensure that only authorised users have access to your password and that your password is secure. For your own security, we recommend that you change your password regularly.

SSL encryption
For security reasons and as protection against the transmission of confidential information, this Website uses SSL encryption. You can recognize an encrypted connection by the change from “http://” to “https://” in the address bar of your browser, as well as the presence of a padlock icon in the address bar.

Server log files
The provider of this Website automatically collects and stores information in so-called “server log files”, which are automatically transmitted to Koller. This information includes:

  • Browser type and browser version
  • Operating system
  • Referring URL
  • Host name of the accessing computer (IP address)
  • Time of the server request

This data cannot be associated with an identifiable person. None of this data will be merged with other data sources. Koller reserves the right to check this data at a later time if they reasonably suspect unlawful use.


Web analytics tools
In order to continually improve their online service, Koller uses Google Analytics for this Website, a web analytics solution of Google Inc. This web analytics service provides Koller with statistics and graphics upon request which provide information concerning the use of this Website. Data about the use of this Website is thereby transmitted to Google’s server in the USA.

Google complies with the data protection rules of the “Swiss-U.S. Privacy Shield Framework” and is registered with the “Swiss-U.S. Privacy Shield” program of the United States Department of Commerce. The IP address transmitted from your browser within the framework of Google Analytics will not be merged with other Google data. The transmission of this data by Google to a third party may only occur when legally required or in the context of commissioned data processing. Further information about Google Analytics and data protection can be found via the following links:

Use of cookies
This Website uses mandatory and non-essential cookies. These are small text files that are saved to your computer or mobile device when you use this Website.

Mandatory cookies are files sent from the browser to the hard disk of your computer so that the Website can function properly. They do not require consent from the users of the Website.

With the help of non-essential cookies, Koller collects information on visits to the Website. In addition, Koller uses non-essential cookies to improve the user experience on the Website, for example to allow you to compose a personalised catalogue, to tailor content to your needs and to make surfing on the website as comfortable as possible. Koller also use cookies to optimise their marketing. Cookies enable Koller to send you information and/or indicate specific items which, based on your use of the Website, have a high likelihood of interesting you. Koller’s goal is to render their online offer as attractive as possible to you, and to tailor their direct marketing to correspond to your interests. Non-essential cookies require the consent of the Website user. Most browsers accept cookies automatically, but you are not obliged to accept them. You can adjust your browser settings to refuse cookies and still use most functions of the Website. So-called “session cookies” will be deleted automatically at the end of each session. For example, we use session cookies to store your favourites over several pages in a web session.

In addition, Koller uses permanent cookies. These remain stored on your computer or mobile device after the end of the browser session unless you delete them. When you revisit the Website your preferred entries and settings are automatically identified by means of these cookies. Depending on which type they are, these permanent cookies remain stored on your computer or mobile device for between one month and ten years, and are automatically deactivated after the end of the programmed period. They are used to make the website more user-friendly, more effective and more secure. Thanks to these cookies you may see, for example, information displayed on the site that is tailored especially to your interests.

No personal data are stored in the cookies Koller uses. The cookies used by Koller cannot be assigned to a specific person. When a cookie is activated the person will be allocated an identification number.

All web browsers afford the possibility to accept cookies, to deactivate their use or to delete them, according to the configuration of the browser’s settings or options. If you decide not to accept Koller’s cookies or to delete them, you will not be able to access some functions on the Website.

Links to other websites
Koller’s Website contains links to other websites. Koller has no control over whether the operators of these websites follow data protection regulations. Koller assumes no liability or responsibility for any third-party content that may be accessed through the Website.

Credit card information
The credit card information which you enter when registering on the Website is encrypted and inaccessible to the employees and owners of Koller.

Modification of Privacy Notice
Koller retains the right to modify the contents of this Privacy Notice at any time and without notification. The updated Privacy Notice takes effect at the moment of its publication. We therefore recommend that you consult our Privacy Notice regularly.

Final provision
Should a provision of this Privacy Notice become or be invalid, this does not affect the validity of the remaining provisions. In place of the invalid provision the relevant statutory provisions shall apply.


CHE 105.925.182


The author is not responsible for the correctness, accuracy, timeliness, reliability or completeness of any information.

Liability claims against the author due to material or immaterial nature, arising from access to, use or non-use of the information published through misuse of the connection or technical faults are null and void.

All offers are non-binding. The author reserves the right to change pages or parts thereof without prior announcement or to supplement or delete the publication temporarily or permanently.

Liability for links

References and links to third party websites are not our responsibility. Access to and use of such websites is entirely at the user’s own risk.


The copyright and any other rights relating to texts, illustrations, photos or any other files on the site are the exclusive property of the company Koller Auktionen AG or the mentioned owners. Reproduction requires the written permission of the copyright holder and must be obtained in advance.