555 Capital Advisors is an investment banking firm founded in 2015 and is based in Irvine, California. The firm offers financial advisory services such as mergers and acquisitions, capital raising, buy-out, debt, recapitalization, divestiture, acquisition financing, and private equity transactions. 555 Capital primarily caters to companies in the technology, consumer, business services, manufacturing, life science, software as a service, health-tech, infrastructure, and healthcare sectors.