SBIC-WJ is a venture capital investor with a long-term investment horizon. The firm invests capital to fund growth and capital needs such as updating machinery. They acquire significant minority stakes in the form of new shares or convertible bonds, usually through an underwriting contract.SBIC-WJ invests in local small- to medium-sized businesses, focusing on industrial sectors such as machinery, printing, and businesses related to metal works. They also target research-intensive sectors such as biotechnology, investing jointly with private venture capital firms in start-ups emerging from universities and research institutions.The firm adds a large number of new investee companies to their portfolio each year. In addition to capital, they provide growth support services through their wholly-owned subsidiary Toiku established in 2003. These services include consulting related to human resources, IT, marketing, M&A and IPO.