About Big4News

Big4News is an independent publication covering Deloitte, PwC, EY and KPMG, with a particular focus on audit quality, regulation, litigation, governance, firm culture, artificial intelligence and the public-interest role of the Big Four.

Founded and edited by former Deloitte equity partner Claudine Cassar, Big4News combines news reporting with analysis of the structures, incentives and pressures shaping the world’s largest professional-services networks.

Coverage ranges from major regulatory investigations and court proceedings to partnership economics, whistleblowing, technology, talent and developments within the firms themselves.

Big4News is written for professionals working within and around the Big Four, regulators, investors, journalists, academics, students and others seeking to understand how these firms operate and why their actions matter.

For more about the publication’s standards, sourcing and use of AI, see Editorial Approach. For more about the editor and founder, see About Claudine Cassar.