Australia M&A Regulatory Framework

Introduction

Australia is one of the most active M&A markets in the Asia Pacific region. With a transparent legal framework, deep capital markets, and a sophisticated advisory ecosystem, the country consistently ranks among the top five APAC jurisdictions by deal volume. In 2025, Australian M&A activity exceeded AUD 120 billion in announced transaction value, according to Dealogic.

This article provides a practitioner-focused overview of Australia’s regulatory framework for M&A — covering the key bodies, approval processes, deal structures, and cross-border considerations that advisors, investors, and corporate acquirers need to understand.

Key Regulatory Bodies

Foreign Investment Review Board (FIRB)

FIRB is the Australian Government’s screening body for foreign investment proposals. Administered by the Treasury, FIRB reviews acquisitions by foreign persons that meet or exceed the applicable monetary thresholds. The current thresholds are set out in the Foreign Acquisitions and Takeovers Act 1975 (FATA) and vary by investor nationality, sector, and asset type.

Key points for dealmakers:

• Threshold triggers — A foreign person acquiring a substantial interest (20%+ for a single investor, or 40%+ aggregate foreign holdings) in an Australian entity valued above the threshold must notify FIRB.
• Sensitive sectors — Lower thresholds (often AUD 0) apply to media, telecommunications, defence, critical infrastructure, and agricultural land.
• Free trade agreement concessions — Investors from FTA partner countries (US, Japan, South Korea, China, among others) benefit from higher screening thresholds for non-sensitive sectors.
• National interest test — FIRB assesses proposals against a broad national interest test, considering factors such as national security, competition, tax implications, and community impact.

According to the Australian Treasury, FIRB processed over 4,500 applications in the 2024-25 financial year, with an approval rate exceeding 95% for commercial transactions.

Australian Competition and Consumer Commission (ACCC)

The ACCC is Australia’s competition regulator. It reviews mergers and acquisitions that may substantially lessen competition in a relevant market. Australia does not have a mandatory merger notification regime — instead, parties can seek informal clearance from the ACCC or apply for formal merger authorisation.

Key considerations:

• Informal clearance — The most common pathway. The ACCC assesses whether a proposed transaction is likely to substantially lessen competition. Review timelines typically range from 6 to 12 weeks for straightforward matters, though complex cases can extend beyond 6 months.
• Market definition — The ACCC defines relevant markets narrowly, considering product, geographic, and functional dimensions. Parties should anticipate detailed market inquiries.
• Merger authorisation — Where a transaction may lessen competition but delivers net public benefits, parties can apply for formal authorisation from the ACCC.

Australian Securities Exchange (ASX)

For transactions involving ASX-listed companies, the ASX Listing Rules impose additional obligations. These include shareholder approval requirements for significant transactions, related party dealings, and changes of control. The ASX also regulates continuous disclosure obligations that apply throughout the deal process.

Common Deal Structures

Schemes of Arrangement

The scheme of arrangement is the most common structure for acquiring 100% of an ASX-listed company. Governed by the Corporations Act 2001, a scheme requires court approval and shareholder approval (75% by value and a majority by number of shareholders voting).

Schemes are favoured because they deliver 100% ownership on implementation — there is no minority holdout risk. They also allow for cleaner deal structuring with fewer conditions than off-market bids.

Off-Market Takeover Bids

An alternative to schemes, off-market takeover bids are regulated by Chapter 6 of the Corporations Act. Bids must remain open for a minimum of one month and can be extended. The bidder achieves control if acceptances cross the 50.1% threshold, and can proceed to compulsory acquisition (squeeze-out) if it reaches 90%.

Private Treaty (Share or Asset Sales)

For private company transactions, the most common structures are share purchase agreements and asset purchase agreements. These are negotiated bilaterally and governed by common law and the Corporations Act. Key deal terms typically include representations and warranties, indemnification provisions, earnout mechanisms, and working capital adjustments.

Cross-Border Considerations

Australia is a highly attractive destination for cross-border M&A. The country’s stable regulatory environment, rule of law, and deep pool of quality assets make it a natural target for global acquirers. However, cross-border transactions require careful navigation of:

• FIRB approval timelines — Allow 30-90 days for standard applications, longer for sensitive sectors or complex structures.
• Tax structuring — Australia has a comprehensive capital gains tax regime for non-residents. Double tax agreements with major trading partners may provide relief.
• Due diligence standards — Australian vendors typically provide a data room and vendor due diligence reports. Buyers should expect thorough disclosure processes.
• W&I insurance — Warranty and indemnity insurance is now standard in Australian M&A, particularly for PE-backed transactions.

The Amafi Perspective

Amafi’s AI-powered platform helps dealmakers navigate the Australian M&A landscape by matching buyers and sellers across sectors and geographies. Whether you are advising on a cross-border acquisition, sourcing targets for a roll-up strategy, or evaluating exit options, Amafi provides the data and workflow tools to move faster.

Learn more about partnering with Amafi or explore how investors use Amafi.