
The confirmation of the flotation – which values the business at around £1bn – ends years of speculation that Ocado would float on the London Stock Exchange.
Shares in the company will be offered to institutional investors, employees and customers who have spent £300 or more at Ocado this year.
Ocado, which was set up in 2002, has never made a profit.
The company was set up by three ex-Goldman Sachs bankers and the John Lewis department store, which owns Waitrose.
According to its latest financial figures, Ocado reported a 29% uplift in sales to £230m in the 24 weeks to 16 May this year.
In May, l with Waitrose, which retained the rights to sell its goods and use its branding until 2020.