Competition rules
EU rules on cartels, market dominance, mergers and state aid, how to report anti-competitive behaviour. 

Antitrust
Antitrust policy in the EU, procedures in anticompetitive case, procedures in abuse of dominance case. 

Cartels
Overview of the EU's cartel policy, procedures in antitrust cases involving cartels. 

Mergers
Overview of the EU's merger policy, procedures in merger control cases. 

State aid
EU state aid policy, how state aid is established, procedures in state aid cases, company transparency.

Search competition cases
Find an EU competition case.

More on competition
What the European Commission is doing on competition