The ministers identified by the leak, dubbed the "Uber Files", say that all lobbying rules were followed. An Uber spokeswoman said: "Engaging with policymakers is standard practice for businesses, and Uber fulfils all of its obligations to disclose its lobbying when required to do so. "In turn, it is the responsibility of elected officials to disclose meetings when they are required to do so." Uber first arrived in London but has faced backlash from black cab drivers for driving down prices. In 2017, Uber lost its license to operate in London after Transport for London said it was "not fit and proper". It was then granted a series of temporary licenses as it sought to prove that it had addressed safety concerns. The allegations outlined in the Uber Files took place while the company was being run by its co-founder Travis Kalanick. Uber hired current CEO Dara Khosrowshahi in 2017 in a bid to reverse the company's fortunes.