Guotai Junan International said on Thursday that Hong Kong's securities regulator has raided its principal place of ​business, seized certain documents, and detained an ‌employee.

The financial services provider said that on March 10, the Securities and Futures Commission (SFC) and the Independent Commission Against ​Corruption of Hong Kong (ICAC) attended the company's office ​with search warrants. It added that the detained ⁠employee was not a member of its board.

"In light of the investigation, ​the company has, with effect from 10 March 2026, immediately ‌suspended ⁠the relevant employee from all operational and executive duties and authority until further notice," the firm said in its statement.

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Guotai Junan said all of its businesses, ​including investment banking, ​continue to ⁠operate normally, while the firm is in the process of obtaining further information ​related to the investigation.

Hong Kong was ​the world's ⁠top market listing venue in 2025, with total equity fundraising rising 164 percent to $103 billion, according to Hong Kong ⁠Stock ​Exchange data.