Provision of non-audit services is of increasing economic importance for audit firms
Especially provision to non-audit clients
Wide range of offered services
From detection to prevention, from bribery to fraud to violation of code of conduct
Small, but growing market with Big 4 as clear leaders
Wide variety of backgrounds of forensic services professionals
Consequently, diverse portfolio of methods
Most research focuses on fraud with some high-quality publications
Missing high-quality forensic services research