(ShareCast News) - IT provider Computacenter said trading in the third quarter was hampered by strong currency headwinds, but its outlook for the full year remains in line with expectations.In the third quarter, overall revenue rose 4% year-on-year to £696m on reported basis, growing 10% on a constant currency basis.Revenue in the year to date was up 2% from the corresponding period in 2014 on a reported basis and rose 8% year-on-year at constant currency, the group said.In a trading update released on Wednesday, the FTSE 250 company added the increase in revenue was driven by a solid performance in its group services division, which saw third quarter revenue grow 1% and 7% on a reported and constant currency basis respectively.Meanwhile, its group supply chain segment reported a 5% year-on-year increase in revenue on a reported basis, with revenue growing 12% at constant currency.Computacenter shares were down 1.07% to 740p at 0855 BST on Wednesday.