The decision in AWA Ltd v Daniels has important implications for auditors, directors and other professionals providing accounting services to clients. Previously, where the external auditor had been negligent, Australian courts awarded full damages against the auditor in favour of the plaintiff In AWA, a defence of contributory negligence succeeded and damages were apportioned between the company and the external auditor. Also, the auditor succeeded in a claim for contribution against the chief executive officer. This paper analyses the implications of the AWA decision for internal and external auditors and management. It examines issues related to contributory negligence and contribution. These issues are important in the light of recent discussion about reform of the law concerning “proportional” liabil