Netherlands Authority for
Consumers and Markets

The Netherlands Authority for Consumers and Markets (ACM) ensures fair competition between businesses, and protects consumer interests.

Action center

Information for businesses

Energy

Tariffs, network operation costs, small-scale users’ rights, early-termination fees, connections, tariff changes as suppliers, monitors.
Consumer protection

Return periods, warranties, cancellation of services, informing about prices and business details, delivery, unfair business practices, online sales
Competition

Cartels
Digital economy

Trusted flaggers, out-of-court dispute settlement bodies and vetted researchers
Caribbean Netherlands

Toezicht op de post- en telecommarkt, tarieven elektriciteit, tarieven drinkwater
Accessibility

Accessibility of e-commerce services and electronic communications services

Latest news

Blog Paul de Bijl: Competition and resilience

Publication Blog 14-07-2026

In his latest blogpost, ACM’s Chief Economist Paul de Bijl discusses the relationship between competition and resilience.
DT Media BV has corrected an error regarding a price increase for ad-free subscriptions within Dutch media app Dumpert

Publication News 13-07-2026

DT Media BV, the company behind Dutch media platform Dumpert, will refund a group of customers after a price increase of their current ad-free subscriptions within the Dumpert app.
ACM joins investigations into the data breach at Dutch telecom operator Odido

Publication News 13-07-2026

The Netherlands Authority for Consumers and Markets (ACM) is conducting an investigation into the measures that Odido has taken to protect its customers’ personal data.
Dutch regulators urge faster action on digital autonomy

Publication News 10-07-2026

In a joint position paper ‘Towards digital autonomy’, five Dutch regulators present recommendations to accelerate the transition to greater digital autonomy.

More news

Send us your tip-off

Is a firm not playing by the rules? Are, for example, your competitors concluding agreements regarding prices or customers? If so, please let us know. You can do this anonymously as well. Your tip-off can help us track down violations.

Tip off

About ACM

The Netherlands Authority for Consumers and Markets is an independent regulator. We are committed to ensuring that markets work well for people and businesses.
2026 ACM Agenda

The topics that ACM focuses on in 2026.