Anonymously report information on antitrust violations to the Bundeskartellamt

    You can anonymously submit information on possible infringements of antitrust law to the Bundeskartellamt and receive feedback on them.

    Description

    Via the whistleblower system (BKMS) you can provide the Bundeskartellamt with information, in particular

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

    Your contact details will not be recorded, you will remain anonymous. Once you have submitted your tip, you can set up a protected personal mailbox. You can also use this mailbox to stay in contact 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 notification.

    Online service

    Anonymous whistleblower system of the Bundeskartellamt (German and English)

    ID: B100019_103404539

    Description

    The Bundeskartellamt's online portal offers you the opportunity to submit an anonymous report with information on antitrust violations. Here you can also find out what has happened to your report and whether there are any queries.

    Use this service online

    Trust level

    You need an electronic ID card with a PIN to use the service (trust level: high).

    further information on the level of trust for online services

    Identification

    • no identification

    Language

    Deutsch

    Sprache: de

    Englisch

    Sprache: en

    Sprachbezeichnung nativ:

    English

    Contact person

    Bundeskartellamt (BKartA)

    Address

    address

    Kaiser-Friedrich-Straße 16

    53113 Bonn

    Save contact

    Opening hours

    * Service hours: * Monday: 9:30 a.m. to 12:00 p.m. * Tuesday: 9:30 a.m. to 12:00 p.m. * Wednesday: 9:30 a.m. to 12:00 p.m. * Thursday: 9:30 a.m. to 12:00 p.m. and 1:00 p.m. to 4:00 p.m. * Friday: 9:30 a.m. to 12:00 p.m.

    Contact

    Internet

    Keywords

    BKartA, Kartellamt

    Version

    Technisch geändert on 25.04.2025

    Language version

    Deutsch

    Sprache: de

    Englisch

    Sprache: en

    Sprachbezeichnung nativ:

    English

    Bundeskartellamt (BKartA), Anonymes Hinweisgebersystem für Kartellrechtsverstöße

    Contact

    Internet

    Version

    Technisch geändert on 11.01.2022

    Language version

    Deutsch

    Sprache: de

    Required documents

    none

    Forms

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

    Prerequisites

    none

    Procedure

    You can enter your report online on the website of the whistleblower system (BKMS):

    • Select the topic on which you want to provide information 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 recorded if you provide them voluntarily.
    • Once you have submitted your notification, the Bundeskartellamt will be able to retrieve and check the information you have filed in the BKMS.
    • You will receive a reference number as proof that your notification was successfully filed in the BKMS.
    • You also have the option of setting up a protected personal mailbox after submitting your notification. You can use this mailbox to communicate anonymously with the Bundeskartellamt. You choose your own user name and password. Via the mailbox you will receive feedback from the Bundeskartellamt, can answer any questions and will be informed about the progress of the matter.

    Deadlines

    none

    Processing time

    When you send your notice, the Bundeskartellamt usually confirms receipt of your notice on the next working day.

    The Bundeskartellamt usually needs between 1 and 6 weeks to examine and process your notice.

    Costs

    none

    Further Information

    Area of validity

    Germany-wide

    Official approval

    Officially approved by Federal Ministry of Economics and Climate Protection (BMWK) on 21.12.2021

    Version

    Technisch geändert on 16.04.2025

    Keywords

    kartellrechtliche Verstöße, illegale Absprachen, Kartellrecht, Bonusregelung, Hinweisgebersystem, Wettbewerbsrecht, Missbrauch, Preisbindung, BKMS, Wettbewerbsverzerrung, Bundeskartellamt, Boykottaufruf, Kartellverbot, Wettbewerber, Kronzeugenprogramm, anonyme Hinweise, marktbeherrschende Stellung

    Language version

    Deutsch

    Sprache: de

    Englisch

    Sprache: en

    Sprachbezeichnung nativ:

    English