Merger Clearance Reforms Hub

Merger control in Australia is going through a major overhaul, moving to a single mandatory and suspensory administrative regime. The new mandatory regime will apply to all deals closing or completing on or after 1 January 2026 (even if signed earlier). The ACCC is already transitioning to the new regime, so it's important to start factoring it into transaction timelines now.

Keep across these changes and what they mean for your business and deal pipeline on our one-stop merger reforms hub. We'll be continually updating with new insights and analysis as we transition to the new regime, so check back in to keep up with the latest developments.

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Key briefings

The ACCC's new merger regime is live! Here's what you need to know
Australia's new mandatory merger controls: a discussion with ACCC chair Gina Cass Gottlieb

Transition period

Don't risk re-notification: ACCC encourages merger parties to notify under new mandatory merger regime from 1 July 2025
ACCC merger clearance reforms: How does the transition period affect your deal?

Notifiable transactions

The ACCC's new merger regime is live! Here's what you need to know
Consultation begins on new mandatory ACCC merger notification thresholds

Deal specific considerations

How property and real estate transactions will be impacted by the ACCC's new mandatory merger regime

Legal risks

Merger reform broadens the risk of gun jumping
Additional scrutiny of restraints in sale agreements under the new mandatory merger regime

ACCC review process and analytical framework

ACCC releases merger process guidance for new system
ACCC releases eagerly anticipated merger guidelines for new merger regime

 

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