ZITON A/S remains in the lead! With 132 jack-up interventions during the first half of 2025, ZITON once again secured its position as the most active vessel company in the O&M jack-up market — ahead of MPI Offshore (Van Oord).
Market Snapshot – H1 2025
▪ A record-breaking 334 jack-up interventions were recorded industry-wide.
▪ Eight vessel companies were active in the O&M jack-up segment.
▪ The four O&M-focused companies accounted for a dominant 79% of the market.
▪ ZITON A/S alone held a 40% market share, operating six dedicated O&M vessels.
Top Operators
▪ MPI Offshore (Van Oord): 58 interventions across two vessels.
▪ Gulf Marine Services PLC: 45 interventions, all carried out by GMS Endeavour for Ørsted.
▪ ATHELEON: 28 interventions.
Additional Activity:
Though primarily focused on installation, DEME Group and Fred. Olsen Windcarrier also deployed their jack-up vessels for O&M work, targeting turbines in the +6 MW segment.
Companies with fewer than 10 interventions included Eunsung O&C and TOA CORPORATION.
Note: This analysis excludes activities in China.
