1. Notify the CMA of anti-competitive or market issues

    Complete this form and email it to the CMA to notify us of anti-competitive or market issues that you have concerns about.

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Guidance and regulation

  1. Tell the CMA about a competition or market problem
  2. Guidance on the CMA’s investigation procedures in Competition Act 1998 cases: CMA8
  3. Competing fairly in business: short guide to competition law
  4. Cartels: come forward and apply for leniency
  5. Screening for cartels: tool for procurers
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News and communications

  1. The future of competition enforcement in the UK
  2. ComparetheMarket home insurance deals could deny people better prices
  3. CMA sends tough message to business cheats with cartel campaign
  4. Supply of solid fuel products
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Research and statistics

  1. UK businesses’ understanding of competition law
  2. Small businesses’ understanding of competition law
  3. Competition Act 1998 abuse of dominance: evaluation of OFT decision
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Policy papers and consultations

  1. CA98 Procedures Guidance consultation
  2. CA98 penalties guidance
  3. Leniency arrangements in the regulated sectors
  4. Furniture parts cartel case study
  5. Estate agents cartel case study
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Transparency and freedom of information releases

  1. Competition Act 1998: public register of decisions
  2. Competition Act 1998 directions and commitments register
  3. Competition law warning and advisory letters register
  4. Confidentiality rings and disclosure rooms: CMA roundtable
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