The Greystones Guide called it the rise of the Ronan empire. The co-founder and chief executive of the Nasdaq-listed Trinity Biotech Ronan O’Caoimh has a history of property dealings in Co Wicklow, the latest of which is Littlebrook, a 99-unit development of three and four-bedroomed houses in his hometown of Delgany.  With around €11 million spent on the project to date, work at Chapel Road was recently jeopardised when neighbouring landowners brought a trespass claim in the High Court against O’Caoimh, his development company Lowick Homes, and builders Mount Collins. The challenge aimed to injunct drainage works on a tree-lined…