Full coverage: Technology

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.

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?

Barry McNerney is the CEO of wholesale ordering platform Unify Ordering. Over the past year, the company has raised almost €1m and is now looking for more to expand into new markets. All the while, McNerney plans to grow his Lotts & Co grocery chain.

The Irish tax authority has forced settlements from 600 contract workers at pharma and IT giants for overstating their travel and business expenses. Drawing from documents obtained under FOI, new data and legal filings, this is the story of Revenue’s 10-year contractor probe.

Former Bank of Ireland executive Nick Fahy is building a hybrid business bank, with customer-facing staff backed up by Google’s AI technology.

In 1920s America, a psychiatrist and educator had designed a way of identifying group dynamics and harmful behaviour patterns among schoolchildren. One century later, a former Irish teacher has harnessed modern technology to make it work.

Thriftify has opened the online shopping market to charity shops. Two years after joining its founding team, Emily Beere discusses tripling sales every month during Covid-19 lockdowns, raising venture capital, and moving to London to conquer the UK.

The company’s technology has been used in campaigns for Barbie, Audi and the Pirates of the Caribbean: At World's End movie. But facing mounting losses and the exit of a key client, Emuse is collapsing into liquidation.

Riding the data centre boom, the border business E&I Engineering has just been acquired by US tech multinational Vertiv. How did it achieve unicorn status, and who are the shareholders behind Cyprus holding companies set to reap the benefits?

Irish software company Swrve has raised close to $140m from Isif, Atlantic Bridge and others. However, after burning through most of its funds without making a profit, the firm has now raised more $8m in debt and restructured around $10m in loan notes.