Full coverage: Tax

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.

The US Treasury Secretary visited Dublin on Monday as her country entered the final stretch of a fraught congressional budget debate. Upcoming American legislation implementing the OECD-led global tax agreement is the piece of the puzzle with the most direct impact on multinationals operating in Ireland.

The US social network has written off most of the value it had booked for the intellectual property placed in its expanding Irish operation. What does the move mean for other multinationals using the popular green jersey tax structure?

Of the many transport situations where driving a car makes little sense, business trips are the most obvious. The tax treatment of expenses claims offers one of the many avenues needed to tackle the disproportionate cost of the drive-everywhere mindset.