- Statutory audits under the Laws on External Audit of joint-Stock Companies and Securities Exchange Act
- Audits on consolidated financial statements as required by the parent companies under Korea GAAP, U.S.GAAP
- Audits on the financial statements of branch offices of foreign-owned international corporations for the purpose of remitting profits to their head offices.
- Audits on the financial statements of foreign invested corporations for the purpose of remitting dividends to their shareholders.
- Special purpose audits.
Audits on internal control system
- Audits of joint ventures
- Royalty audits
- Audits for the purpose of obtaining or renewing certain business licenses