Offshore Vessel Maintenance Services: Market Size & Forecast 2026

The global offshore vessel maintenance services market sits at approximately USD 6.0 billion in 2025 (base year), structurally tight as a fleet-age wave collides with yard capacity that has not expanded proportionately. Roughly 60 percent of the active offshore support vessel (OSV) fleet is now above 15 years of age, driving drydock interval compression, while the offshore wind service segment is growing fast enough to absorb yard slots that would otherwise serve oil and gas clients. The dominant cost driver is steel plate, which accounts for approximately 25-30 percent of hull-work cost; hot-rolled coil benchmark prices in the USD 550-650/MT band through H1 2026 are the directional anchor for hull-repair budgeting. > **Analyst Take.** The fleet-age wave is real and the data on it is not in dispute. What buyers are missing is that the offshore wind segment is quietly absorbing yard capac

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