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: maritime sector is allowed to build vessels with a reduced burden on the environment

Publication News 03-07-2026

The maritime sector is allowed to make arrangements to improve the sharing and reusing of data. This collaboration is compatible with the competition rules.
ACM: upon introduction, feed-in tariff to have a 20-year transitional period, similar to the situation in Germany

Publication News 30-06-2026

ACM will use a 20-year transitional period when introducing a feed-in tariff for large producers of electricity.
The European Commission’s provisional position in market investigation with ACM: Microsoft and Amazon cloud services fall under the DMA

Publication News 25-06-2026

With their cloud services, Microsoft and Amazon must comply with the DMA’s rules for gatekeepers.
Telecom operator KPN adjusts its telemarketing methods following ACM intervention

Publication News 23-06-2026

Following an intervention of ACM, Dutch telecom operator KPN has adjusted its telemarketing methods.

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.