MAINPRIZE OFFSHORE LTD

United Kingdom ship manager & owner with 13 vessels totalling 671 DWT: Offshore Supply Ship (12), Research Vessel (1). Fleet composition, flag and age profile on Rynda.io.

• Role: Ship manager & owner
• Country: United Kingdom
• Fleet: 13 vessels
• Total deadweight: 671 t
• Median deadweight: 53 t
• Built: 2000–2026
• Flag states: United Kingdom (11), Latvia (2)
• Age profile: under 10 years: 11, 10–15 years: 1, over 15 years: 1
• Fleet by type: Offshore Supply Ship (12), Research Vessel (1)

Notable vessels

• MO12 (IMO 1109085) — Offshore Supply Ship, 30 DWT, built 2026
• MO4 (IMO 8569052) — Offshore Supply Ship, 99 DWT, built 2017

Full vessel list, positions, sanctions and PSC screening are available after sign-up.