Offshore vessel deck equipment prepared for marine operations

Engineering consultancy

Services built around delivery reality.

Detailed engineering consultancy for SURF package delivery—connecting concept, FEED, procurement, fabrication, and installation with one offshore-aware perspective.

Integrated perspective

The detail that keeps delivery moving.

Global Subsea helps Operators, Owner Engineers, Contractors make confident technical decisions while keeping package interfaces, schedule pressure, and offshore execution in view.

01

Concept, select & FEED

Scope definition, basis of design development, option evaluation, interface mapping, and risk framing to establish a robust delivery route.

  • Delivery strategy and package definition
  • Technical assurance and decision support
  • Interfaces, risks, and execution assumptions

02

Detailed engineering & procurement

Engineering oversight that stays connected to procurement realities, vendor progress, and the practical needs of installation.

  • Technical bid evaluation and vendor alignment
  • Design reviews and package integration
  • Change control and technical query management

03

Fabrication Follow-up & offshore execution

Practical, field-aware support from fabrication readiness to vessel mobilization and offshore installation.

  • Constructability and readiness reviews
  • Installation procedure and vessel interface support
  • Offshore technical representation and coordination

One connected delivery line

Support that follows the package, not just a phase.

Our services can stand alone or work as one continuous package, giving teams a disciplined link between decisions on paper and execution offshore.

  1. 01

    Concept & select

    Frame scope, decision gates, risks, and delivery assumptions around the whole subsea system.

  2. 02

    FEED & definition

    Translate the selected concept into a practical execution basis, with interfaces visible and decisions well-governed.

  3. 03

    Engineering & procurement

    Maintain technical intent across detailed engineering, suppliers, and package integration.

  4. 04

    Fabrication Follow-up & readiness

    Support constructability, readiness, and handover across fabrication, load-out, and marine preparation.

  5. 05

    Offshore execution

    Coordinate installation planning, vessel interfaces, procedures, and the decisions that matter offshore.

Project support

A clearer route to installation.

Bring us into the conversation early, or add focused support where your package needs momentum and technical know how.  Assurance of installation focus at early design stage to improve the overall project safety and performance.

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