A new National Security Agency (NSA) data gathering facility is seen under construction in Bluffdale, about 40 kms south of Salt Lake City, Utah. Photograph:  Jimmy Urquhart/ Reuters)

IIU, the private equity firm led by financier Dermot Desmond, has invested in Vahna, a cyber-security firm. The United States company is led by Brenda(...)

 Nick Corcoran (left) and Nigel McDermott of Cardinal Capital in Residence on Stephen’s Green, Dublin 2. Photograph: Clodagh Kilcoyne

The spectacular Gherkin building is the perfect place to look out on London’s financial world, from the City’s investment banks directly below it to M(...)

Datalex chief executive Aidan Brogan  Datalex chief executive Aidan Brogan

and Irish airline reservations software business, Datalex, expects to sign up a number of new clients between now and the end of the year, according(...)

Datalex chief executive Aidan Brogan

Travel software firm Datalex saw revenue jump 14 per cent to $20.2 million for the six months to the end of June on the back of strong growth in its c(...)

Obama’s authorisation of air strikes against militants in Iraq is accelerating a retreat in European stocks that started weeks ago. Photograph: Joshua Card/EPA

The first back-to-back weekly losses in European stocks since March sent markets tumbling across the continent yesterday. US president Barack Obama’s(...)

Dermot Smurfit Jnr: “I think Michael has respect for me. . . I would be super disappointed if he didn’t say: ‘Dermot is a good operator’ ”

In 2002, Jefferson Smurfit group was taken private in what at the time was one of the biggest ever European private equity deals. It resulted in a hug(...)

Dermot Desmond: bought another stake for about €3.5m in Canadian-listed firm Mountain Province Diamonds. Photograph: Cyril Byrne

Diamonds really are a billionaire’s best friend.Dermot Desmond has in recent weeks bought another one million shares for about €3.5 million in the Can(...)

Golfers Rory McIlroy and Graeme McDowell: A court has ruled that McIlroy must be given access to McDowell’s documents. Photograph Scott Halleran/Getty Images

Rory McIlroy can see documents concerning fellow golfer Graeme McDowell’s involvement with a sports representation agency, a High Court judge has rul(...)

Dermot Desmond offloaded two million shares in Canadian-listed Mountain Province Diamonds. Photograph: Dara Mac Dónaill

Dermot Desmond has sold, for about €7 million, part of his stake in a company that co-owns one of the largest diamond mines in the world. The b(...)

Kenneth Rouse, formerly of AIB Capital Markets, with Patrick Curran, managing director of BNP Paribas Real Estate after joining the agency as part of (...)