DoorDash has agreed to buy the UK-based food delivery service in a deal worth around $3.9 billion. It adds nine new countries to DoorDash’s global reach, which will now stand at over 40 countries and 50 million monthly active users.

U.S. meal delivery firm DoorDash will buy Deliveroo in a deal valuing the British rival at about 2.9 billion pounds ($3.85 billion), the companies said, banking on a bigger reach and local expertise to take on competition.