Our coverage on Carillion focuses on the collapse, investigations, and regulatory fallout surrounding one of the UK’s most high-profile corporate failures. Accountancy Today reports on the role of auditors, directors, and government oversight in the events leading up to Carillion’s liquidation, as well as subsequent inquiries, tribunal outcomes, and reforms prompted by the case. We analyse the implications for audit regulation, corporate governance, and professional accountability across the accountancy sector. Our editorial also explores lessons learned by firms, standard setters, and regulatory bodies in relation to risk management and public interest reporting. This coverage provides accountants, auditors, and firm leaders with essential insights into the enduring impact of the Carillion collapse on the profession.