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Source: BUS Sachsen-Anhalt (Linie6PLus)

Report information on antitrust violations anonymously to the Bundeskartellamt


You can use the Whistleblower System (BKMS) to provide information to the Bundeskartellamt, in particular

  • on illegal collusion between competitors;
  • on illegal agreements between suppliers and customers,
  • abuse of a dominant position.

Your contact details will not be recorded, you will remain anonymous. Once you have submitted your report, you can set up a protected personal mailbox. You can also use this mailbox to stay in touch with the Bundeskartellamt anonymously. This is usually very helpful for processing the case.

Via the mailbox

  • you will receive feedback from the Bundeskartellamt,
  • can answer any questions you may have and
  • you will be informed about the progress of your report.

If you submit your report, the Bundeskartellamt will usually confirm receipt of your report on the next working day.

In order to check and process your report, the Bundeskartellamt usually needs between 1 and 6 weeks.

Forms: no
Online procedure possible: yes
Written form required: no
Personal appearance required: no

You can submit your report online on the website of the Whistleblower System (BKMS):

  • Select the topic you want to comment on, and then enter your information. This is done via a free text field as well as via certain questions with selection fields (Yes / No / No information). In addition, you can attach a file (Word, Excel, PDF, etc.) up to 2 megabytes (MB) in size to your report. Your contact details will only be collected if you voluntarily enter them.
  • Once you have submitted your report, the Bundeskartellamt can retrieve and check your report stored in the BKMS.
  • You will receive a reference number as proof that your report has been successfully deposited in the BKMS.
  • You also have the option of setting up a protected, personal mailbox after submitting your report. You can use this mailbox to communicate anonymously with the Bundeskartellamt. You choose your own user name and password. You will receive feedback from the Bundeskartellamt via the mailbox, answer any questions you may have and be informed about the progress of the matter.

Federal Ministry for Economic Affairs and Climate Action (BMWi)

The text was automatically translated based on the German content.

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