Full complex of underwater services using ROV and divers. ROV Survey Technologies providing following services: - Vessel’s underwater hull inspection, HD video recording and boardcasting online via internet. It gives possibility for remote control of the survey. Essential during COVID restrictions; - Vessel’s hull state analysis, statement of seaworse condition, impact of the hull’s fouling to speed and performance; - UWILD inspections with class approval: Bureau Veritas, Ukraine or Russian Maritime registers; - Sea chest grids, ship’s hull elements cleaning; - Search and assistance in recovery of lost sunken object (like anchors, chains, etc.); - Pipeline and underwater structures inspection; - Bathymetry survey of confined and shallow areas; - Service, diagnostics, emergency repair, overhauls of different engine types which is performed by team of professional engineers.