The consequences of expanded audit reports for small and risky companies

The United Kingdom mandated expanded audit reports in two waves, starting in 2013 and 2017, respectively. Prior studies of the first wave, which included large and highly regulated companies, concluded that expanded reports have limited incremental value. We focus on the second wave, which included companies listed on the Alternative Investment Market (AIM). The AIM is characterized by emerging companies that are smaller, riskier, and subject to lighter regulatory requirements and to private monitoring. We examine whether investors and other stakeholders benefit from expanded reports in this setting. We document that AIM companies have shorter expanded reports and fewer key audit matters. Next, we demonstrate that these reports have negligible incremental information value for investors or consequences for the quality and cost of audits. Finally, although we find that some variations in the expanded reports' content are associated with investor reactions to the annual report and with audit fees, variations in external monitoring and company size do not play an incremental role. By focusing on a set of companies with weaker information environments, our findings help to extend the conclusions from prior studies about the limited incremental value of expanded reports.