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Country law guide · England and Wales

Competition & antitrust in England and Wales

Merger review, restrictive agreements, abuse of dominance and regulatory investigations.

CMA competition and digital-market powers can affect transactions and conduct involving England and Wales, while EU effects may create parallel issues. Merger assessment differs from restrictive-agreement and abuse analysis. A contract’s English governing law does not exempt its commercial arrangements from applicable competition restrictions.

Jurisiti can assist with merger screening, restrictive-contract review and regulatory responses. Analyse the actual market, control and commercial conduct before applying thresholds or exemptions. Sensitive competitor exchanges and implementation before clearance need particular attention. Records supplied to an authority should be accurate, coherent and supported by the transaction evidence. Assess the conduct and market effects separately from the contract’s governing law.

Key laws & official sources

CMA merger assessment guidelines

Explains the competition assessment of mergers; current jurisdictional rules and separate investment screening also require review.

CMA unfair commercial practices guidance

Explains consumer trading rules under the DMCC framework applicable from April 2025.

Point to check

Confirm the current provisions, territorial scope and procedure for the particular facts; the linked sources support general guidance rather than an individual legal conclusion.

Practical next steps

  • Assess the conduct and market effects separately from the contract’s governing law.
  • Map ownership, markets and transaction structure.
  • Review restrictive terms and competitor information exchanges.

Documents to prepare

  • Market and turnover information
  • Commercial agreements and internal guidance
  • Regulator correspondence and transaction papers
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How Jurisiti can help

Competition analysis depends on conduct, market conditions and jurisdictional thresholds rather than the contract label alone. National rules and EU rules may both require consideration where their conditions are met. Review exclusivity, information exchange, pricing restrictions and filing obligations before implementing an arrangement.

  • Distribution and cooperation arrangements
  • Merger control and transaction planning
  • Investigations, compliance and damages claims

Questions about your matter

How do I start a competition & antitrust enquiry in England and Wales?

Identify the jurisdiction, the people involved, any existing proceeding or deadline, and the result you need. A short chronology and the key documents help define the proposed engagement before local professional arrangements are confirmed.

Can a cross-border matter involve more than one legal system?

Yes. England and Wales may be one part of a wider matter involving another place of residence, contracting party, asset or forum. Applicable law, jurisdiction and enforcement should be assessed separately, using the relevant national and international rules.

Does this guide establish a lawyer-client relationship?

No. An enquiry or use of this guide does not establish an engagement. Conflicts, professional authority, scope, responsibilities and fees must be confirmed before work is undertaken.

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