Entrepreneur Maher (54) owns 45pc of the country's biggest mobile phone distributor and service company Fonua, which he bought in a management buyout in 2010.
Vodafone owns a minority stake. Sales hit €295m, with pre-tax profits of €6m last year. There was a €4m dividend on top of the €12m paid in recent years. The Foxrock-based Maher has also backed the fast-growing Homestore & More retail chain, which made profits of €8.8m last year