Full coverage: Coffee

Unfiltered Coffee has been named one of the best coffee shops in the world. Admired for his pared-back, fine-dining approach to brewing coffee, owner Juljano Kapllani talks about integrity, word-of-mouth growth, and building a coffee mecca in Inchicore.

The New York chain, backed by investment giants like General Catalyst and Tiger Global, operates over 100 outlets across the US and the UK. Now, it has opened an Irish company.

David McKernan is back in the game, looking to buy a new business or two and helping his son's start-up. He tells the full story of "horrific" stress steering Java Republic through multiple storms until he got a happy ending – with a little help from Denis O'Brien.

Ireland's tastes have gotten fancier: in the five years after 2013, the number of speciality coffee shops grew 56 per cent. What is it about expensive coffee shops? And will they survive the crisis?