The study investigates shareholders impact as audit committee members and two attributes of audit quality in relation to financial reporting lag (FRL). The data were collected from firms listed on the Nigerian Stock Exchange (NSE) for 2011 to 2015 financial years. The study utilizes panel corrected standard errors (PCSEs) and quantiles regression. Findings indicate a negative and significant relationship between SFEX, SACR, BLKH, ROA, GWTH and (FRL). The study finds evidence that shareholders can enhance reporting timeliness while Big4 audit firms can perform faster audit work. The result also shows a glimpse of the level of non-compliance with regulation.