Nomura Securities Co., Ltd. (野村證券株式会社, Nomura Shōken Kabushiki-gaisha, NSC) is a wholly owned subsidiary of Nomura Holdings, Inc. (NHI), which forms part of the Nomura Group. It plays a central role in the securities business, the Group's core business. Nomura is a financial services group and global investment bank. Based in Tokyo and with regional headquarters in Hong Kong, London, and New York, Nomura employs about 26,000 staff worldwide. It operates through five business divisions: retail (in Japan), global markets, investment banking, merchant banking, and asset management.