On 16 June 2025, the Australian Securities and Investments Commission (ASIC) confirmed it is investigating the governance and disclosure practices of ASX Limited (ASX); an announcement that puts Australia’s market “watchtower” under scrutiny. As the operator of the country’s principal securities exchange and a systemic piece of financial infrastructure, ASX has long played a vital role in market supervision, transparency, and stability. Now, the spotlight turns inward, raising questions about how governance standards are applied at the highest levels.
While this development is undoubtedly significant for ASX, it also sends a broader message to boards, executives and governance professionals: no entity — no matter how central to the system — is beyond accountability. In this article, we explore what ASIC’s investigation signals for board oversight, risk management, and disclosure culture.
Governance in the Spotlight
ASIC’s intervention signals an important moment for corporate governance in Australia. The focus of the investigation is reported to include the role of the ASX board in overseeing the now-defunct CHESS replacement initiative — a multi-year project which was ultimately written down at a cost of nearly $250 million.
This inquiry serves as a reminder that governance standards must be applied with rigour not only by those companies listed on the ASX, but also by the exchange operator itself. In this way, ASIC’s investigation may be viewed as reinforcing the principles of accountability and transparency that underlie Australia’s corporate regulatory framework.
ASX has publicly acknowledged ASIC’s investigation and has stated that it is cooperating fully with the process. This measured and transparent approach is important. History has shown — as seen in inquiries involving AMP and the Commonwealth Bank — that the tone and posture adopted in response to scrutiny can be just as consequential as the underlying conduct.
Handled well, this investigation provides ASX with an opportunity not just to address regulatory concerns, but to model best practices in responding to complex governance inquiries.
ASX’s Dual Role
ASX occupies a unique position as both a listed company and a provider of critical market infrastructure. Its governance decisions affect not just its shareholders, but also investors, issuers, clearing participants, and the broader financial system. This dual role gives rise to heightened expectations around board composition, risk management, strategic project oversight, and timely disclosure. With these matters at the heart of ASIC’s current focus, it is unsurprising that this has crystallised following the CHESS replacement program’s public challenges. With ASIC’s investigation now underway, attention will turn to whether there were any failures in governance processes or disclosure obligations, and what lessons may be drawn more broadly.
Implications for Boards and Market Participants
For boards across all sectors, particularly those operating in regulated industries or providing essential services, the ASX investigation underscores the need for:
- Proactive Board Oversight: Major technology and transformation projects require robust governance, including clear escalation pathways and independent assurance mechanisms.
- Transparency and Disclosure: Public confidence depends on timely and candid disclosure of material risks, delays, and cost implications.
- Accountability and Culture: Regulators are increasingly focused on corporate culture and whether it enables challenge, fosters compliance, and responds effectively to red flags.
ASIC’s announcement reinforces the principle that governance is not static, but rather evolves in response to complexity, public expectations, and institutional accountability.
Looking Ahead
While it remains to be seen what outcomes ASIC’s investigation may yield, it is clear that Australia’s corporate regulatory framework continues to evolve in response to governance challenges.
This is not a moment for headlines, but for reflection. As this matter progresses, market participants and governance professionals will no doubt watch with interest, not just for enforcement outcomes, but also for the broader lessons that may emerge for boards navigating complex and high-stakes projects.
McCullough Robertson regularly advises clients on all aspects of corporate governance and compliance. Whether your board requires advice on regulatory compliance, including ASX Listing Rules, ACCC merger notification, modern slavery and whistleblower obligations or directors’ duties and liabilities, and shareholder and investor relations support, our Corporate Advisory team are here to support your business.
