The value of services fell in August when compared to July, according to the Central Statistics Office.
The seasonally-adjusted index stood at 121.3 in August; 1.5% lower than in the previous month.
This was driven by a 4.1% drop in the value of information and communications services and a 2.3% fall in wholesale and retail trade.
Those declines were offset somewhat by a 2.6% rise in professional, scientific and technical activities, while administrative and support service activities were 2.1% higher.
Year-on-year the index was 8.7% higher in August, due to a 19.7% rise in the value of professional, scientific and technical activities.
Accommodation and food service activities were also higher year-on-year, up 9.9%, while the value of administrative and support service activities rose by 7.6%.
Despite the annual growth, the index’s year-on-year rise was slightly weaker than had been seen in July.