The Financial Supervisory Service (FSS) and the U.S.-based Public Company Accounting Oversight Board (PCAOB) are currently conducting a weeks-long inspection of Samil PwC, one of the big four accounting firms in Korea, along with Samjong KPMG, Deloitte Anjin and EY Hanyoung Korea. The inspection comes as part of the two financial watchdogs regular inspection schedule.