Oslo-listed Dof booked a 50% rise in net profit to NOK 127m ($21m)in the final quarter compared to a NOK 86m profit in the fourth quarter of 2012.
Operating earnings before depreciation (ebitda) climbed to NOK830m from NOK 692m.
Total revenue came in around 25% higher at NOK 2.6bn.
Average utilisation for its subsea fleet was 94% in thefourth quarter compared to 89% for the previous corresponding period while thelevel for AHTS and PSVs remained flat at 91%.
