HONG KONG, June 24 Reuters Shein has confidentially filed papers with Britain39;s markets regulator in early June for a potential London listing, two sources said, as the online fast fashion retailer moves ahead with what could one of the largest IPOs globally this year.

The Chinesefounded company, which was valued at 66 billion in a fundraising round last year, had started engaging with its financial and legal advisors to explore a listing on the London Stock Exchange early this year, sources told Reuters in May.

It is not immediately clear when Shein, known for its 5 tops and 10 dresses, plans to launch the initial public offering IPO.

Both the sources, who have knowledge of the deal, declined to be named as they were not authorised to speak to the media.

A spokesperson for Shein declined to comment. The Financial Conduct Authority FCA, the UK markets watchdog, did not immediately respond to Reuters request for comment.

Reporting by Kane Wu and Julie Zhu; additional reporting by James Davey and Huw Jones in London; Editing by Sumeet Chatterjee and Louise Heavens

Source Reuters