(Sharecast News) - Superyacht supply and maintenance firm GYG has seen a positive uplift in trading so far this year, driven by a continued improvement in the general refit market and further progress in its new build strategy.Following a strong start to the year, GYG now expects the full-year outcome will be ahead of current market expectations.The AIM-listed outfit vowed to continue strengthening its operational capabilities and assured that it was "well positioned" to respond to any further market improvement.Chief executive Remy Millott said: "I am delighted that the group has been able to take advantage of the improving market conditions which has enabled us to start the year very positively."We have built a strong order book across both refit and new build and we look forward to the future with growing confidence."As of 0910 BST, GYG shares had climbed 7.64% to 77.50p.