This study aims to examine the effect of independence, work experience, due professional care, and accountability on audit quality. The population is the auditor who works at the Semarang City Public Accounting Firm. sampling method using purposive sampling technique. The cookies used in this study were 40 respondents. The data collected is primary data which is first tested for its validity and reliability. The data analysis method used is multiple regression that meets the classic assumption testing requirements. Work experience, due professional care and accountability have a positive effect on audit quality, and independence has a negative effect on audit quality.