Companies

The dismantling of Denis O’Brien’s once mighty empire

The tycoon’s recent spate of downsizing might be a sign he is retiring, or following his own advice to sell when the time is right

Denis O’Brien has overseen a massive retrenchment over the last three years. Picture: Getty

Denis O’Brien knows how to cut a deal. Over the last 30 years, he has bought and built one of the largest corporate empires in this country’s history, investing in everything from property and healthcare to media and telecoms.

So when the Malta-based tycoon said in a 2021 interview that now “really is time to sell” a business, people sat up and paid attention.

“As entrepreneurs, timing is the most important ingredient. It’s when to ...