Citigroup Global Markets Japan Inc. (シティグループ証券株式会社, Shitigurūpu Shōken Kabushiki-gaisha) is the division of Citigroup that operates in Japan. It provides investment banking services.

Nikko Cordial and Citigroup established a joint venture in Japan in 1999, later called Nikko Citigroup, which operated through a "branch office" in Naha, Japan under the trade name Nikko Salomon Smith Barney Securities (日興ソロモン・スミス・バーニー証券, Nikkō Soromon Sumisu Bānī Shōken).^{[citation needed]}

In October 2007, after acquiring a 68% interest earlier in the year, Citigroup acquired the minority interests in Nikko Cordial.^[1]

In September 2009, Citigroup sold Nikko Cordial to Sumitomo Mitsui Financial Group.^[2][3]

The investment banking business remained as Citigroup Global Markets Japan.^[4]