Online food retailer Ocado has appointed advisors for ahead of a float which could come as early as May, according to reports.

Ocado is expected to be valued at £1bn which would make it part of the FTSE 250.

Goldman Sachs, UBS and JP Morgan Cazenove are thought to be the frontrunners to lead the float. The company was set up by former Goldman Sachs bankers Jonathan Faiman, Tim Steiner and Jason Gissing.

In December Ocado reported a 30% rise in underlying sales however the company has not yet made a pre-tax profit.

Ocado will join a growing list of retailers looking to do an IPO including New Look which confirmed its plans last week and young fashion retailer Supergroup.