Pre-tax profits at the main Irish arm of online retail giant Amazon increased by 30.5% to €39.46m last year, as revenues also soared.
Newly-filed accounts for Amazon Data Services Ireland Ltd (ADSL) show that the company's revenues jumped by 49% to €1.65bn.
As of the end of December, the company employed 1,371 people; up by 182 in the year.
Globally, Amazon last year recorded revenues of $232.9bn (€205bn). Earlier this month, Forbes reported that the company's founder and chief executive Jeff Bezos has held his position as the world’s richest man with an estimated fortune of $131bn.
ADSL operates several data hub facilities in the Dublin area and last year secured planning permission for the first phase of a new €1bn data services centre at Mulhuddart in Co Dublin.
The company paid corporation tax of €11m on its profits leaving a post-tax profit of €27.6m.
The company’s accumulated profits increased from €100.96m to €128.58m.
The increase in numbers employed by the firm resulted in staff costs increasing from €117.98m to €151.4m.
Another Amazon firm, the Cork-based Amazon CS Ireland Ltd (ACSI) - which operates a customer service centre at Cork Airport Business Park - also enjoyed sales growth last year as revenues increased by 11% to €119m.
However, the company recorded a pre-tax loss of €3.56m after incurring administrative expenses of €122.6m.