The most difficult, and also most well-known financial certification is the Certified Public Accountant (CPA) certification. This certification grants it's holders the statutory right to sign audit reports. It is also reported that the CPA pass rate for the first attempt is about 50 percent. Although it is difficult to obtain, this certification is among the most in demand of all financial certifications. TrainUp.com has several exam prep courses to help you prepare to sit this exam.