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

ACM’s response to Council for Public Administration’s recommendations regarding democratic checks on access rules and tariffs of system operators

Publication News 07-10-2026

The Council for Public Administration (ROB) comes to the conclusion that, as an independent regulator, ACM has the exclusive authority to set the rules regarding grid access, prioritization, and grid tariffs.
ACM: Over 300,000 households and businesses can save money by switching to small grid connections

Publication News 06-10-2026

Many households are able to save money by switching to a smaller grid connection. Higher-capacity connections cost a lot of money, and are often not necessary.
ACM and other European consumer authorities to step up action to protect gamers against deception

Publication News 30-09-2026

The European consumer authorities have launched nine investigations to ensure that videogame companies use virtual currencies in their games in a fair manner, and to prevent gamers from being misled.
ACM argues for greater transparency of the black box of computer-controlled prices

Publication News 28-09-2026

In order to gain more insight into how computer-controlled consumer prices work and what their consequences are, ACM conducted a market investigation into this phenomenon.

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.