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

Energy suppliers cannot adjust contracts with fixed prices when ETS-2 and blending requirement for green natural gas come into effect

Publication News 06-08-2026

ACM has informed all energy suppliers via a letter that they cannot increase the fixed supply prices of natural gas in response to the future ETS-2 tax or the blending requirement for green natural gas.
Dutch online retailer bol makes commitments to ACM that will offer more protection to consumers and sellers

Publication News 03-08-2026

Bol has made commitments to ACM that will improve its online platform in the interest of consumers and sellers.
Going forward, the website CVmaker will be clear about costs for users, following an ACM action

Publication News 30-07-2026

After an intervention by the Netherlands Authority of Consumers and Markets (ACM), Dutch company CVmaker B.V. will inform users of the website CVmaker.nl better about the costs and duration of its subscriptions.
ACM’s response to summons from Dutch foundation Stichting Benadeelden in Actie regarding the bankruptcy of energy supplier Flexenergie

Publication News 21-07-2026

Flexenergie was granted a license because it met the statutory requirements. ACM conducted oversight and took enforcement action where necessary.

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.

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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.