Tip off Please note that, while you may submit your tip-off or complaint to us in English, we can only give you advice in Dutch. You must have JavaScript enabled to use this form. Tip-off Fields with an * are mandatory Read our privacy statement Are you a consumer and do you wish to report something to ACM? Then use the webform on ACM ConsuWijzer . Subjects Which of the following topics is your complaint or tip-off about Make a choiceCompetitionEnergyOrganizationPostal servicesTelecommunicationTelephoneConsumer protectionTransportHealthcareCaribbean NetherlandsWorking for ACM Details What company is your complaint or tip-off about? Complaint or tip-off Personal details Name E-mail address Confirm email Send copy Phone number Organisation/company Supporting documents Do you have any supporting documents? If so, what kinds of documents, and what information do they contain? Other individuals Are there any other individuals who are able to corroborate your complaint or tip-off? If so, please enter their names and contact details here Submit tip-off Leave this field blank More about tip-offs or indications Submitting your tip-off or indication to ACM Confess your involvement in a cartel Submit tip-offs anonymously Tip off Legal advice Share Twitter Facebook LinkedIn Print RSS