DoorDash Inc. has agreed to buy UK-based food-delivery platform Deliveroo Plc for an equity value of £2.9 billion ($3.9 billion), as the US company targets smaller providers in a push into more overseas markets.

Deliveroo, which lets users order hot meals and groceries via an app, said its board agreed to an offer from DoorDash to acquire all issued and to be issued shares in the company for 180 pence a share.

DoorDash has agreed to buy food delivery company Deliveroo in a £2.9bn deal, ending the UK group’s tumultuous time on the public markets. San Francisco-based DoorDash said it would pay 180p a share in cash for the UK group, which has struggled since it listed in London four years ago.