Ride-sharing company Uber lobbied political leaders to relax labour and taxi laws, used a "kill switch'' to thwart regulators and law enforcement, and considered portraying violence against its drivers as a way to gain public sympathy, according to a new report. 

The report, dubbed The Uber Files, was released on Sunday and is based on a leak of 124,000 documents.

Those files also showed the company channelled money through Bermuda and other tax havens. 

A team from the International Consortium of Investigative Journalists — a nonprofit network of investigative reporters — scoured internal Uber texts, emails, invoices and other documents to deliver what it called "an unprecedented look into the ways Uber defied taxi laws and up-ended workers' rights". 

The documents were first leaked to the British newspaper The Guardian, which shared them with the consortium.

Founded in 2009, Uber sought to skirt taxi regulations and to offer inexpensive transportation via a ride-sharing app.

The Uber Files revealed the extraordinary lengths that the company went to in order to establish itself in nearly 30 countries.

Its lobbyists — including former aides to President Barack Obama — pressed government officials to drop their investigations, rewrite labour and taxi laws, and relax background checks on drivers, the papers show.

The investigation found that Uber used "stealth technology'' to fend off government investigations.

For example, the company used a "kill switch'' that cut access to Uber servers and blocked authorities from grabbing evidence during raids in at least six countries.

During a police raid in Amsterdam, the Uber Files reported, former Uber chief executive Travis Kalanick personally issued an order: "Please hit the kill switch ASAP … Access must be shut down in AMS (Amsterdam).''

The consortium also reported that Mr Kalanick saw the threat of violence against Uber drivers in France by aggrieved taxi drivers as a way to gain public support.

"Violence guarantee[s] success,'" Mr Kalanick texted colleagues.

In a response to the consortium's reporting, Mr Kalanick's spokesman, Devon Spurgeon, said the former chief executive "never suggested that Uber should take advantage of violence at the expense of driver safety".

The Uber Files say the company cut its tax bill by millions of dollars by sending profits through Bermuda and other tax havens, then "sought to deflect attention from its tax liabilities by helping authorities collect taxes from its drivers". 

In a written statement, Uber spokesperson Jill Hazelbaker acknowledged "mistakes'' in the past.

She said that the current chief executive, Dara Khosrowshahi — who was hired in 2017 — had been "tasked with transforming every aspect of how Uber operates".

"When we say Uber is a different company today, we mean it literally: 90 per cent of current Uber employees joined after Dara became [chief executive]" she said. 

AP