Global Marine has an extensive track record of delivering successful subsea fibre optic cable installation, maintenance & repair projects for the telecommunications industry across the globe

High speed communication networks are a standard commodity keeping the world connected

Global Marine specialises in offering a total subsea solution from concept with cable route planning to project engineering, then installation in both deep and shallow water, and for the life of the system providing comprehensive maintenance solutions.

Acknowledged as a market leader that is solid, reliable and proven Global Marine understands that each project is different and works together with customers and our joint venture partners to deliver a bespoke solution that meets business requirements and stands the test of time. 

Our commendable track record means that customers return and have confidence in our ability to handle any subsea cable operation, even in the most challenging of environments.

Our rich subsea cable history dates back to the 1850’s and this combined with the fact that we have performed 32% of maintenance operations on world fibre optic cables has placed us in the enviable position of one of the maintenance providers of choice.

Want to find out more? Complete the contact form and one of our experts will be in touch shortly.

Our Subsea Telecoms Cabling Track Record

Widely considered as subsea cable experts, Global Marine has delivered comprehensive end-to-end solution on a diverse range of projects in the telecoms sector.


Jupiter. Installation of 8,094km cable linking Japan to two landing sites in the US. Vessel: CS Recorder – Client: Subcom


YME-ULA. Installation and burial of approximately 148km fibre optic cable including four branching units. Vessel: C.S. Sovereign – Client: Tampnet


YME-Norway. Recovery of pre-laid shore end, installation and burial of 108km fibre optic cable to a branching unit tail. Vessel: C.S. Sovereign – Client: Tampnet


Edvard Grieg – John Sverdrup. 19.5km of inter-platform connectivity including one branching unit. Vessel: C.S. Sovereign – Client: Tampnet


Judy – Culzean. 74km of inter-platform connectivity, CEM deployment, including three branching units. Vessel: C.S. Sovereign – Client: Tampnet


SEAX. 200km marine installation linking Mersing, Changi and Batam. Vessel: Networker


SAIL. 5,756km across the Southern Atlantic Ocean. The cable provides low-latency, direct connectivity between West Africa and South America. Vessel: CS Recorder


Batam-Karimun. 70km installation, including 14 cable and pipeline crossings with protection and burial using GMG asset Injector. Vessel: Networker


Palapa West. 1,030km cable installation linking Indonesian islands, with a burial depth of 1.5m. Vessel: Networker


Gulf-Africa. 1,598km of repeatered cable installation from Oman to Somalia, linking the Gulf to Africa. Vessel: C.S. Sovereign 


Rampion Offshore Wind Farm. Installation of fibre optic telecommunications cable connecting the EOS to shore, backing up the export cable. Vessel: CS Recorder – Client: E.ON


ASE Extension. 382km branching unit extension from the Japanese island of Okinawa. Vessel: Cable Innovator 


NCSCS. 1,005km repeatered cable installation including four branching units and two shore landings. Vessel: C.S. Sovereign


Uninett, Arctic Circle. Installation of the most northerly cable system in the world, 500 km of FOC to the research centre in Norway. Vessel: Cable Innovator – Client: Uninett


FCSS, North Atlantic. 3 segments linking the islands of Faial, Flores, Corvo and Graciosa – total length 633.5km. Vessel: VOO 


Libya Greece, Mediterranean. Contracted for the subsea cable installation from Darnah, Libya and Chania, Greece – total length – 404km, with 61.5km buried. Vessel: Cable Innovator 


MKCS, Indonesia. 1,113 km installation connecting Indonesian islands included 8 cable landings and plough burial to 2m. Vessel: Cable Innovator


Batam Pemping, Indonesia. Deep burial project using Networker and Injector – total length 22km. Vessel: Networker – Client: Triasmitra


Hannibal, Mediterranean. 177km submarine cable system between beach manholes in Kelibia, Tunisia and Mazara del Vallo, Sicily. Vessel: C.S. Sovereign 


I-ME-WE, India – Middle East – Europe. Installation of 2,100km FOC with 336km buried linking India with the Middle East and Western Europe. Vessel: Cable Innovator – Client: Consortium


SGSCS, Caribbean – Gulf of Mexico. First HMN repeatered and branching unit solution, 1,249km linking Trinidad to South USA. Vessel: C.S. Sovereign – Client: Telesur, GT&T


Trans Pacific Express, North Pacific. FOC installation across the North Pacific. Vessel: Cable Innovator


Venus, North Pacific. FOC installation to ocean observatory off the coast of Canada at Vancouver Island. Vessel: Wave Venture – Client: University of Victoria


Flag Falcon Shore End, Arabian Sea. Installation of the subsea cable landing at Mumbai using Networker. Vessel: Networker


AUFS West, Alaska. Installation of 2,480km of FOC with a buried length of 290km. Vessel: Bold Endeavour & Bold Endurance – Client: GCI


Svalbard, Arctic Circle. Installation of FOC from the mainland of Norway to Svalbard total length 2,708km with 344km buried. Vessel: Cable Innovator – Client: Tyco


East Asia Crossing 1 & 2, Intra – Asia. Installation of 9,810km of FOC of which 5,963km was buried including deep burial in HK and Singapore. Vessel: Cable Innovator – Client: KDDI & NEC


TAT 14, Trans-Atlantic. Install and protect (burial, where required) over 15,000 km of fibre optic cable across the Atlantic. Vessel: Cable Innovator, Wave Sentinel – Client: Consortium

The Cabling Process for Telecoms Projects

Telecoms image


Global Marine has a legacy of installing and maintaining subsea cable that dates back to the 1850's providing customers today with knowledge and a skill set second to none.

Vessel Capability

Installation in water depths ranging from the very shallow (less than 13m) to the very deep (more than 6000m) through our purpose built cable ships or barges converted to meet project requirements.

Deep Water Operations

Global Marine has installed over 300,000km subsea cable, 23% of the world's total.


Global Marine offers maintenance solutions either via cable maintenance zones (ACMA, NAZ or SEAIOCMA) or through private maintenance agreements.


Post Lay Inspection & Burial minimises risk ultimately protecting the cable.

Cable Protection

Mitigating risk by engineered solutions for appropriate cable protection and burial.

Cable Protection

Global Marine offers a comprehensive range of UJ services including: piece parts, training, equipment and jointer hire.

Route Engineering

Our Route Engineering team provide a comprehensive range of services from desk top study, marine study and route engineering services to ensure the best and most cost effective subsea solution is found for your cable installation.

Diver Support

All diving activities globally are carried out under UK Health and Safety Executive Diving Regulations and codes of practice in addition to IMCA International Code of Practice for Offshore Diving.

Shallow Water Experts

Operating in a water zone under 13m, in challenging environments and often in close proximity to other cables.

Complete Solution Provider

Global Marine offers a comprehensive set of services for the life of a subsea cable from pre-project planning, skilled engineers and crew to install and robust maintenance solutions though to cable recovery and future system subsea solutions.

Pre-Laid Shore End

Using barges or vessels of opportunity equipped to install fibre optic cable from the landing point to deeper water this can be up to 25km or further in some circumstances until the water depth exceeds 13m.

Deep Burial

Global Marine's Rocksaw and Injector are capable of deep burial in rock to a depth of 4 metres for Rocksaw and in softer seabed conditions for the Injector to a depth of 12 metres.

Landing Point

Whether it's a beach manhole or OGB (Ocean Ground Bed) Global Marine deliver a complete offshore solution enabling end-to-end system connectivity.


One of many of the Cable Route Services offered to obtain and assist with any consents, licences, permits or other permissions required locally.

Cable Storage

Global Marine has storage facilities available for customers at our depots.