Luxembourg has one of the largest concentrations of top-notch data centers. It's home to 20 percent of all European Tier IV data centers — the highest mark possible — according to Uptime Institute, which measures the efficiency and reliability of business-critical infrastructure. Two-thirds of Luxembourg's data centers are Tier IV, which means when you choose hosting in Luxembourg, you're very likely to have the most reliable hosting on market.
On top of that, it is inexpensive. Luxembourg has the most available power in Europe (six times fewer power outages than in the UK or France), at one of the lowest costs. This means your data-center provider spends less to give you more.
The Luxembourg government is also very business-friendly. It makes a persistent effort to attract financial and IT companies.