BlackLine is an American enterprise software company that develops cloud-based accounting software that helps businesses manage their quarterly financial reports. The company is headquartered in Los Angeles, California, and has 13 offices globally. BlackLine was ranked number 43 on Forbes Cloud 100 list in October 2016. In May 2016, a Gartner Magic Quadrant report on the 10 major financial corporate performance management solutions ranked BlackLine among the top four "Leaders" with Oracle, IBM and Workiva. On October 28, 2016, the company underwent an IPO and listed on the Nasdaq under the symbol BL.