Offshore cash helped fund Steve Bannon's attacks on Hillary Clinton

Eighteen months before guiding Donald Trump to election victory, Steve Bannon delivered the opening shot in the ruthless Republican campaign to paint their Democratic opponent as corrupt.
But the financial arrangements of another foundation, which bankrolled Bannon’s creation of the book, Clinton Cash, have received less scrutiny.

Leaked documents and newly obtained public filings show how the billionaire Mercer family built a $60m war chest for conservative causes inside their family foundation by using an offshore investment vehicle to avoid US tax.

The offshore vehicle was part of a network of companies in the Atlantic tax haven of Bermuda led by Robert Mercer, the wealthy hedge-fund executive and Bannon patron whose spending helped put Trump in the White House and aided a resurgence of the Republican right.

Mercer, 71, appears as a director of eight Bermuda companies in the Paradise Papers, a trove of millions of leaked documents on offshore finance reviewed by the Guardian, the International Consortium of Investigative Journalists and other partners. The files include a copy of Mercer’s US passport and other private data.

Some of the Bermuda companies appear to have been used to legally avoid a little-known US tax of up to 39% on tens of millions of dollars in investment profits amassed by the Mercer family’s foundation, which funded Bannon’s book and a who’s who of conservative groups, along with a $475m retirement fund for the staff of Mercer’s hedge fund, Renaissance Technologies.

Bill Parish, an Oregon-based investment adviser who has been consulted on the tax by US government investigators, said: “This is simple but ingenious. You take retirement plans or foundations, you invest them in a hedge fund, and even if the value rises 100%, you can sell off the investments with no tax consequences.”