Full coverage: Denis O'Brien

Over a couple of beers, O'Brien chatted frankly on the Telecoms.com podcast about his industry.

A planned €75 million expansion of the Denis O'Brien-owned private medical facility stalled for almost two years after local opposition. Things look set to change with a new ruling from An Bord Pleanála.

Businessman Denis O’Brien is poised to lose a majority stake in his heavily-indebted Digicel telecoms group to bond creditors. But what is the estimate of Digicel’s equity value, and the size of O’Brien’s stake?

Denis O'Brien owns the Beacon Hospital, while Larry Goodman controls the Blackrock Clinic. So, what was the investment rationale for two wealthy tycoons to invest in private healthcare?

In an unusual move the US and Japan have backed Australia's acquisition of Digicel Pacific through Telstra, to the tune of $100 million.

Hundreds of Portuguese firefighters are battling blazes fuelled by a heatwave including in Quinta do Lago, the seaside resort owned by the Irish businessman.

Mikhail Fridman and Petr Aven, two “oligarchs” just added to the EU’s Russian sanctions list, are co-founders and shareholders of the LetterOne international investment vehicle that has Denis O’Brien on its technology advisory board.

A series of pre-trial rulings have gone against telecoms mogul Denis O'Brien who is being sued by two lawyers for defamation over a press release issued in the wake of a 2016 report on the concentration of media ownership in Ireland.

Today FM and Newstalk’s new German owner is merging multiple companies in the group they acquired from Denis O’Brien. To complete the transaction, they had to lift a corner of the veil on their individual performance.

As he joins The Currency as a columnist, Tommie Gorman reflects on the precarious position on the island and the personalities he knows intimately who have to find a solution.