Lyft, Uber’s closest U.S. rival in the taxi-hailing business, met repeatedly with officials from London's transport regulator over the past year, a sign it may be targeting the city for international expansion.
If Lyft enters the London market Uber would face its first well-funded competitor in Europe when it is trying to overturn a decision by TfL not to renew its license.
Lyft has raised around $2.6 billion in financing, including an investment round of $600 million in April and its investors include automaker General Motors.
Lyft has already signalled it is looking at expansion outside the United States.The company announced in August that Lyft planned to go international "in the not too distant future".