Reach Subsea has swung to a loss in the fourth quarter in tough offshore markets.

The Oslo-listed company said its net deficit to 31 December was NOK 5.6m ($0.67m), compared to a profit of NOK 0.8m in the same period of 2015.

Revenue was down to NOK 66m against NOK 135.5m the year before, and depreciation and financial costs pushed it into the red.

The