Pelagian

What Pelagian does

Pelagian Limited is a UK-based subsea cable engineering consultancy founded in 2002 and operating as a wholly-owned subsidiary of OEG (Ocean Energy Group). The company provides specialized consultancy, engineering, and personnel services to the global subsea cable sector across telecommunications, offshore renewables, power interconnectors, government, and offshore oil and gas segments. Its operational reach spans six continents and 162+ countries, with a UK headquarters in Minety, Wiltshire, and a registered office in Great Yarmouth, Norfolk. The firm serves clients including submarine cable installers, subsea engineering companies, system developers, and government bodies.

The firm's technology stack centers on MakaiPlan GIS-based cable engineering software (used for over 10 years, with Pelagian supporting ongoing Makai Ocean Engineering development), supplemented by ARCGIS and CAD tools, and proprietary bespoke systems including a GIS-based permit management system and a stakeholder management system ingesting live data from oil industry, telecoms, offshore power/renewables, and government sources. Pelagian also operates PLGR equipment with modular spread including Saddleback and Running Line Monitors. The firm curates a database of over 4,000 qualified subsea professionals covering diverse skillsets and geographies, including ROV pilots and supervisors, jointers and testers, hydrographic surveyors, divers, marine mammal observers, and fishery liaison officers.

Pelagian's revenue model is built on professional services engagements priced as all-inclusive day rates with agreed expenses, paired with multi-year framework agreements for ongoing client relationships. The firm operates a sales-led go-to-market with direct personal engagement to match client requirements to candidate expertise, supported by 24-hour travel logistics, visa assistance, and comprehensive insurance coverage. With 11-50 direct employees, ISO9001 accreditation, and active participation in industry bodies including ESCA, ICPC, and Subsea Cables UK, the company maintains leadership co-chair positions on the ESCA Technical and Regulatory Subgroup.

Name

Pelagian

Legal name

Pelagian Limited

Website

https://pelagian.co.uk

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

11–50 employees

Short description

Pelagian is a UK-based subsea cable engineering consultancy and personnel provider, serving global telecoms, offshore renewables, and power interconnector clients through direct day-rate professional services and project-based engagements. It is a wholly-owned subsidiary of OEG.

Ownership category

akta.pro rank

Product category

Submarine Cable Engineering Services

NAICS

Support Activities for Water Transportation (4883), Geophysical Surveying and Mapping Services (54136)

SIC

Oil & Gas Field Exploration Services (1382), Water Transportation (4400)

akta.pro primary industry

Subsea Cable Construction, Marine Installation & Repair Services (HDAIALAC)

akta.pro secondary industries

Offshore Wind & Marine Spatial Planning Regulation (EUAMANAM), Hydrodynamics & Performance Engineering (Resistance, Propulsion, Seakeeping, Maneuvering) (IMAJAGAB)

Keywords

• Subsea cable engineering
• Route engineering services
• Submarine cable installation
• Offshore consultancy services
• Marine personnel services

Headquarters

HQ city

Minety

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Others

Revenue model

1. Personnel/Contract Staffing Services: Pelagian provides highly qualified, competent and experienced subsea professionals to major submarine cable installers, subsea engineering companies and system developers. Services include: cable installation and repairs, hydrography, UXO and geotechnical surveys, subsea infrastructure construction, fibre optic/power jointing and testing, carousel operations, desktop studies, and project management. Pricing is structured as an all-inclusive simple day rate with agreed expenses, covering comprehensive professional indemnity, employers liability, third party liability, and travel insurance.
2. Engineering Consultancy Services: Comprehensive consultancy services in planning, design and construction of subsea cable systems. Services include route engineering, permitting and regulatory support, survey management, cable installation expertise, and marine operations support. Consultants provide technical and commercial knowledge throughout the project lifecycle.
3. Specialist Skills Contracting: Provision of specialized subsea professionals including ROV Pilots and Supervisors, Jointers and Testers, Survey Representatives, Data Processors, Divers, Marine Mammal Observers, and Fishery Liaison Officers. Contractors covered with comprehensive insurance including Professional Indemnity, Public Liability, and Business Travel Insurance.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

Pelagian is a subsea cable engineering consultancy and personnel services provider serving the submarine cable industry. The company delivers route engineering, permitting and regulatory support, marine survey, cable installation support, and specialist personnel placement for telecom, renewables, oil & gas, and government clients. Operations span 162+ countries across six continents, with the firm acting as a technical partner across the full submarine cable project lifecycle.

Product overview

Pelagian is a leading provider of subsea engineering strategy and expertise around the globe, offering a comprehensive suite of consultancy and personnel services to the subsea cable sector. The company provides support services through distinct but complementary offerings: Consultancy Services (covering planning, design, and construction support), Route Engineering, Permitting & Regulatory services, Survey Services (turnkey solutions via strategic partnerships), Cable Installation expertise, and Personnel Services (supplying qualified subsea professionals). These services collectively support the cable planning, design and construction process both onshore and offshore, from initial feasibility through to commissioning and decommissioning.

Differentiator

Problem solved

Functional benefit

Products and services

• Subsea Cable Consultancy Strategic and technical consultancy for submarine cable projects, advising telecom operators, installers, governments, and offshore developers across the cable lifecycle.
• Route Engineering Cable route planning, desktop studies, and corridor design for submarine cable systems, using MakaiPlan and GIS-based tools to optimize routing, burial assessment, and risk mitigation.
• Permitting and Regulatory Services Permit acquisition, environmental assessment, and regulatory liaison for submarine cable projects across multiple jurisdictions, supported by bespoke stakeholder management systems.
• Marine Survey Services Marine survey services supporting cable route engineering and installation, including geophysical and geotechnical data acquisition and interpretation.
• Cable Installation Support Engineering and supervisory support for submarine cable installation campaigns, including burial assessment and installation engineering.
• Subsea Personnel Services Provision of specialist subsea cable engineers, route engineers, and project personnel to clients for onshore and offshore project assignments.

Quantifiable outcome

• Successfully surveyed Main One Cable Route in 2009 without any delays caused by permitting or regulatory constraints - a first in West African cable survey experience
• +2 more outcomes

Named customers4 records

Segments6 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• World's Leading Survey CompaniescoreStrategic or Co-development PartnerPelagian has established strategic partnerships with world's leading survey companies to provide customers with turnkey survey solutions. Pelagian works closely with these companies providing key personnel, customer representation, project management and permitting expertise.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• DNV: Global certification, advisory, and energy consultancy with a dedicated subsea cables and offshore wind practice providing standards, marine warranty, and engineering advisory — broader portfolio but overlapping customer base.
• BMT Group: International maritime engineering and environmental consultancy with offshore wind and subsea cable practice; competes for permitting and route engineering mandates on large offshore energy projects.
• Alcatel Submarine Networks (ASN): Major turnkey submarine cable system supplier and installer; overlaps with Pelagian's installation support and route engineering work as a customer and occasional competitor for cable project services.
• Fugro: Global leader in offshore geotechnical and survey services with deep involvement in subsea cable route surveys and offshore wind site investigation; competes with Pelagian on survey personnel and project management but operates at much larger scale.
• Global Marine Group: Subsea cable installation, maintenance, and engineering services company — sister entity under OEG and adjacent to Pelagian's personnel and route engineering offerings for active cable systems.

Direct peers

• ABL Group: Global offshore energy consultancy offering marine warranty, engineering, and consultancy for offshore wind, subsea cables, and oil & gas — directly comparable in service portfolio to Pelagian with similar customer base.
• Xodus Group: Offshore energy and subsea cable engineering consultancy providing route engineering, environmental, and permitting services to offshore wind, telecoms, and interconnector clients — closely overlapping Pelagian's service mix and target verticals.
• OceanIQ (Ocean Infinity): Subsea cable data and consultancy arm of Ocean Infinity providing cable route studies, survey data, and engineering support to telecoms and offshore wind clients — direct competitor in route engineering and desk-based studies.
• Cathie Associates: Offshore engineering consultancy specialising in cable and subsea infrastructure design for offshore wind and interconnectors; competes with Pelagian on route engineering and installation engineering for renewables projects.

Others

• Makai Ocean Engineering: Developer of the MakaiPlan GIS-based cable engineering software used by Pelagian; partnership-based adjacency rather than direct competition but central to Pelagian's technology stack.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks1 record

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/pelagian-limited

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Pelagian