The online food ordering service, backed by Rocket Internet and Tengelmann, has increased its total funding to $1bn, after raising money at a $3.1bn valuation.

Germany-based online food ordering service Delivery Hero, backed by investors including internet company Rocket Internet, raised $110m today from unnamed investors at a $3.1bn valuation.

The funding came from “two leading public market investors from the US,” the company said, describing them as “pre-IPO investors.”

Delivery Hero operates an online platform for customers in 34 countries to order food. It has signed up some 200,000 restaurants to its platform to date, and will use the latest capital injection for acquisitions…