Help us uncover cartels

At the Danish Competition and Consumer Authority, we rely on outside information to enforce the law.  Do not hesitate to contact us, if you know of any violations of the Danish Competition Act.

Contact the Investigation and Cartels Division

Contact us directly by phone: +45 41 93 94 95, Monday - Friday 9 am – 3 pm.

E-mail us directly:

You can also use our postal address: 
Danish Competition and Consumer Authority
Carl Jacobsens Vej 35
2500 Valby

We need documentation

Compelling evidence can easily be disposed of and it is important for us if you can provide documentation in the form of for example emails or written agreements.