Official contact details for ACM / ConsuWijzer and how to file a complaint or report — verified and dated.
Tel 088 070 70 70. Signal/melding only — no mediation.
Source: consuwijzer.nl · verified 2026-05-29
Most bodies only act after you've complained to the company/authority in writing and given them time to respond.
Use the official channel above. ACM / ConsuWijzer logs and handles your complaint or report.
Save copies and dates — they strengthen your case if it escalates.
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