Matsui Securities (松井証券, matsui shōken) is a Japanese financial company.

It is listed on the Nikkei 225.

[3] Although the company was incorporated in 1931; 94 years ago (1931), it was a very small company until it changed its business strategy in the mid-1990s to take advantage of online trading and the freedoms afforded by the recent financial company deregulations in Japan.

Today its primary business is providing online securities trading services.

This article about a Japanese corporation- or company-related topic is a stub.