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The CNMC promotes and defends the proper functioning of all markets in the interest of consumers and businesses.
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We observe and analyse market activity to detect and prevent anti-competitive practices that may harm competition and affect consumers.
Report anonymously competition infringements
Submit a formal complaint aboutcompetition infringements
Fight against cartels
Abuse of dominant position
Distortion through unfair practices
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Collaborate in detecting cartels or help advance investigations of those already detected
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We establish rules to ensure effective competition among companies across different economic sectors, with special attention to consumer protection.
Report or inform about an irregularity that you believe harms competition
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We offer advice and support to help maintain market balance when creating regulations or drafting public tenders.
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We strive to ensure companies play fair and impose penalties on those who break the rules.
We provide you with tools to make better choices, and channels to report any malpractice you see.
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Menos confusión al teléfono: así serán las llamadas comerciales y de atención al cliente
