Substantive assessment

If a transaction falls within the scope of the EU Merger Regulation (EUMR), it will need to be notified to the European Commission (the Commission) and be cleared before the transaction can be completed. The Commission will investigate the transaction–if it has competition concerns, it can prohibit the transaction or accept remedies from the parties to address any concerns.

When will a transaction fall within the EUMR

A transaction will fall within the EUMR and require notification to the Commission if:

  1. it is a ‘concentration’

  2. the transaction is permanent, and

  3. it meets the financial thresholds set out in the EUMR.

The EUMR defines a ‘concentration’ as follows:

  1. where two independent businesses merge—this includes arrangements where previously 'independent' companies set up a common management team, or a dual listing on a Stock Exchange

  2. the acquisition of control by one (or more) business over another, either

    1. one business gaining 'sole control' over the target business (this could be through a majority shareholding or a minority shareholding if there are also veto rights over key commercial decisions)

    2. two or more businesses gaining 'joint

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Latest Competition News

Competition weekly highlights—26 February 2026

This week’s edition of Competition weekly highlights includes, from a UK perspective: (1) the CMA’s interim report in relation to its Getty Images/Shutterstock phase 2 investigation, (2) the government’s issuance of a pre-emptive action order following a PIIN in relation to DMGT/Telegraph Media Group, (3) the CMA’s response to DBT’s working paper on options for reform of non-compete clauses in employment contracts, (4) the EU/UK signing an agreement to co-operate closely on competition matters, (5) the Business Secretary announcing that Doug Gurr has been selected as preferred candidate to remain as Chair of the CMA, (6) the CAT’s judgment on a strike-out application and expert evidence in relation to a collective damages action brought by Ad Tech against Google, and (7) a CAT ruling refusing permission to appeal in a claim alleging competition law breaches by Faculty of Advocates Services. This week’s highlights also includes, from an EU perspective: (1) publication by the Commission of a summary of consultation responses on the ongoing review of the FSR, (2) publication by the Commission of consultation responses received to the review of Regulation 1/2003, (3) the Commission launching a consultation on the draft new State aid General Block Exemption Regulation, (4) publication of the European Parliament’s resolution on the Commission’s 2024 Competition Policy report, and (5) the General Court’s judgment dismissing an action challenging the Commission’s refusal of access to DMA designation documents.

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