The fashion rental service has confidentially filed to go public having already raised some $337m from investors including Advance Publications and American Express.

US-based online rental apparel platform Rent the Runway announced yesterday it has confidentially filed for an initial public offering that could enable corporates Advance Publications and American Express to exit.

Rent the Runway operates an e-commerce platform that lets users lease women’s designer clothing and accessories from more than 750 designer brands. It offers subscription plans and also lets customers purchase items.

The company has amassed approximately $337m of funding since it was founded in 2009. It received $125m in…