Full coverage: Tax

By deploying the green jersey tax structure at its EMC and VMware divisions while growing the sales of Dell Products during the pandemic, the US technology multinational has reaped the maximum benefits from its Irish presence.

As promised, the European Commission has moved swiftly to translate the global agreement on a minimum corporation tax rate into EU law. A parallel move to restrict the use of structures like Section 110 companies and limited partnerships was not expected at the same time.

The OECD has published the common rules laid down by participants in this year’s global agreement on the taxation of multinationals. Their implementation at EU level will dictate how much US firms end up paying in Ireland.

For eight years, Deloitte incentivised older partners to leave the firm and make way for younger talent. Revenue has gone all the way to the High Court to challenge tax deductions on the retirement scheme.

Cracks are appearing in the so-called green jersey structure used by multinationals to locate more profits in Ireland. In the meantime, it continues to yield an unprecedented bonanza at a time of intense strain on public finances.

After Fitbit, Airbnb is the latest Silicon Valley multinational in a matter of days to reveal a reversal of its decision to base intangible assets in Ireland. Covid-19 is the official reason, but tax disclosures raise further questions.

Google’s Dublin subsidiaries may have just posted exceptional once-off Irish tax bills, but the Silicon Valley giant’s strategy is now to split international corporation tax between here and the US – as the Fitbit acquisition shows.

With the end of the double Irish scheme, many US tech firms have cut Caribbean subsidiaries out of their corporate structures to focus their tax advantage on Ireland. One of them has just gone back to Bermuda instead – via Dublin.

By locating intellectual property in Ireland, Twitter was planning to shrink taxable profits for 15 years. Now the social network is not so sure the green jersey scheme is going to deliver.

A major accountancy firm is on the hook for a €1.4 million tax bill after the Tax Appeals Commission ruled that its exam payments to trainees are taxable. Tax expert Eoin O'Shea examines what it means for other firms.