Offshore specialist consultants and service providers — subsea cables and marine civils works

Offshore Specialists delivers expert consultancy and turnkey service solutions for subsea cable projects and marine civils works. Our team combines technical excellence, practical field experience, and rigorous safety and environmental standards to support projects across planning, design, installation, inspection, maintenance, and decommissioning.

Core capabilities

Project management: End-to-end program governance, risk management, budgeting, schedule control, and stakeholder coordination for complex offshore works.

Engineering and design: Cable routing, dynamic and static cable design, cable protection systems, trenching and backfill design, structural and geotechnical studies, and load-out/marine spread engineering.

Survey and site investigation: Geophysical and geotechnical surveys, UXO and archaeological assessments, seabed mapping, and cable corridor characterization to inform design and installation planning.

Installation and construction support: Vessel and equipment selection, marine operations planning (cable lay, burial, rock placement), ROV/inspection services, shore-end crossing works, and quality assurance during installation.

Marine civils: Scour protection, rock placement, seabed stabilization, foundation preparation for offshore structures, dredging oversight, and coastal or port civil works linked to cable landings.

Inspection, maintenance, and asset integrity: Cable route and burial verification, ROV and diver inspections, condition assessment, defect analysis, repair planning, and long-term maintenance strategies.

Environmental and regulatory compliance: Environmental impact assessments, mitigation planning, permitting support, stakeholder consultation, and compliance with local and international standards.

Decommissioning and asset recovery: Strategy development, environmental risk assessments, logistics planning, and execution support for safe and compliant decommissioning or recovery of subsea assets.

Value proposition

Offshore and subsea specialists with hands-on operational experience across cable-lay, trenching, and civil works.

Practical, risk-focused solutions that reduce downtime, limit cost overruns, and safeguard crews and the environment.

Integrated multidisciplinary teams: marine engineers, geotechnical experts, surveyors, ROV pilots, environmental scientists, and project controls professionals.

Proven methodologies for asset life-cycle management from concept through to decommissioning.

Typical client engagements

Pre-FEED and FEED studies for export and inter-array power cables.

Installation support and independent verification during cable lay and burial.

Remediation and repair planning following cable faults or seabed disturbance.

Design and management of rock placement and scour protection for cable crossings.

Permitting and consenting for new cable landings and offshore civil works.

Contact approach

Provide project brief and objectives.

Share existing site data (survey, geotechnical, environmental) where available.

Define timeline and budget constraints.

Agree scope for mobilization of consultancy support or full turnkey delivery.

Offshore Specialists stands ready to support complex subsea cable and marine civils projects with pragmatic engineering, robust project execution, and uncompromising safety and environmental stewardship.