Jurisdiction(s):
United Kingdom

Comparative grid of worldwide merger control thresholds: triggers, minority shareholdings, non‑full‑function JVs, below‑threshold reviews, and mandatory/suspensory status

Published by a LexisNexis Competition expert

Practice notes

The grid below outlines notification thresholds in line with local legislation across all merger control regimes worldwide, together with additional key jurisdictional details to assess whether merger control filings are necessary, in addition to headline procedural points on timing, whether notifications are compulsory, and whether completion should be suspended or held in abeyance pending clearance for ease of reference.

We have sought to balance ease of use and accuracy with fidelity to the original source material, using standardised phrases to condense legal threshold tests whilst preserving essential terms; a key appears below explaining the common phrases adopted to summarise threshold tests (e.g. the meaning of ‘combined turnover’ and that this requirement could be fulfilled by a single party) – see Key and useful information below.

We also recommend consulting the merger guides and the underlying law for the precise wording and for further details on the merger control rules in each relevant jurisdiction, as appropriate.

Currencies and exchange rates

Thresholds are presented in the native currency in which they are officially published (unless our local counsel have specified otherwise and this is indicated below)...

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Web page updated on 29/05/2026

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