Marine & Subsea Equipment

Alliance One supports marine and subsea operations with repair, overhaul, and verification services for mission-critical equipment. We execute to demanding schedules and harsh-environment requirements, with documentation suitable for internal review and client reporting.

Subsea
Marine
Schedule-driven execution

Supported Systems

Repair • Overhaul • Testing • Mobilization Support

ROV Launch & Recovery Systems (LARS)

Repair & Overhaul

Inspection, refurbishment, and functional verification for deployment readiness.

Diver Launch & Recovery Systems

Safety-Critical

Service and overhaul aligned with operational and compliance requirements.

Back Deck Winches

Mechanical

Repair, rebuild, and testing for performance under load and harsh environments.

Back Deck Cranes

Mechanical

Inspection support, service work, and overhaul for deck operations.

HPUs (Hydraulic Power Units)

Hydraulic

Diagnostics, rebuilds, flushing, and testing to restore reliability.

ROV Tooling Systems

Subsea

Tooling service, adaptation, and support to match mission requirements.

Manipulator Servicing & Repairs

Precision

Disassembly, inspection, rebuild, and verification for subsea manipulators.

What You Can Expect

Clear scope confirmation, realistic timelines, and verification that supports safe deployment.

Global projects

Execution

Harsh-duty

Environments

Inspection-ready

Documentation

< 24h

Response time

How We Execute

1) Requirements

Share equipment type, serials, scope, and operating conditions (vessel, depth, duty cycle).

2) Assessment

Inspection and scope confirmation, including risk items and critical spares.

3) Overhaul & Test

Repair/overhaul with functional verification and supporting documentation.

4) Mobilize

Packaging, shipping, and optional on-site support to meet vessel schedules.

Planning a mobilization or urgent repair?

Send equipment details (model/serial) and required dates. We’ll respond with scope options and lead times.