World leaders are deciding how to change the global tax system so that multinational companies pay their share. A review of Glencore’s use of transfer (mis)pricing, shell companies and tax havens reveals that current proposals are not enough. We need tax laws that treat multinational corporate groups as a single entity.

Glencore has responded to the allegations in this report, which you can read further below or here. The company says that it complies with current tax rules. We do not dispute this, but say that tax avoidance is unethical and the rules should be changed.