Full coverage: Offshoring

Yesterday, we revealed how the High Court had ruled against a major offshore tax scheme. Today, tax barrister and chartered accountant Eoin O’Shea picks through the detail of the judgement and analyses each of the questions that the court sought to answer.

For more than a decade, the Irish tax authority has sought to curb a complex tax scheme used by 231 high earners. The High Court has now ruled in Revenue's favour, and the judgement sheds new light on how the scheme operated.

The complex corporate web used to manage the Coolmore horseracing business and its owners’ other investments makes it difficult to estimate their wealth. This matters for a number of reasons – and Magnier’s position on the national rich list is the least of them.

The complexity of the corporate structures behind horse breeding magnate John Magnier’s global investments has grown in tandem with his empire. A two-month investigation by The Currency explores dozens of firms in the Coolmore empire.