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Specialist Interconnectivity Solutions

Innovating subsea wet plant & cable interconnectivity

Building on its intimate knowledge within the subsea environment, Global Marine has brought together a specialist subsea engineering team to focus on the development, qualification and delivery of novel subsea wet plant and cable interconnectivity solutions.

Our innovative interconnectivity solutions meet the evolving technical demands of submarine telecommunication, subsea sensing networks and underwater monitoring of long-haul power transmission at the bottom of the world’s harshest ocean environments.

Alongside internal teams, joint venture partners and external customers, our specialist Interconnectivity Engineering Team delivers unique integrated wet plant solutions:

  • 122 projects
  • Over 70 countries connected
  • Via more than 78,000km of cable

All designed for a minimum service life of 25 years from Global Marine’s head office in Chelmsford.

Its portfolio of expertise enables the team to deliver against the unique demands of emerging markets such as:

  • Subsea asset security
  • Sea floor defence solutions

And, to facilitate the provision of turnkey solutions that meet the necessities of these next generation customers.

In-house design begins the focused journey of:

  • Simulation and analysis
  • A comprehensive collection of prototyping
  • Qualification testing
  • Cable integration capabilities

These capabilities supported by a qualified supply chain affords the Interconnectivity Engineering Team the ability to tailor and adapt these methodologies to meet your individual, specific, and differing need.

What we cover:

Key technology capabilities include:

  • High Voltage and fibre optic penetrators
  • Bulkhead design and integration
  • PE moulding techniques and analysis
  • Pressure housing and internal atmosphere management
  • Hermetic Sealing
  • Mechanical and fibre optic interfaces
  • Interconnectivity upgrade
  • Material selection knowhow
  • Environmental testing
  • Thermal analysis and testing
  • Burial modelling, simulation and test
  • Optical amplifier module design
  • In line cable integration
  • Marine handling qualification
  • Access to intimate knowledge of the marine environment through sister company OceanIQ
  • New manufacturing and assembly process and methodology development
  • 3D printing for prototyping, jigs and manufacture

MEET OUR TEAM

Chris Butler

Project Manager & Head of Solution Design with 30 years' experience

Chris Butler

Project Manager & Head of Solution Design with 30 years' experience


Chris has over 30 years’ experience with the installation, manufacture, and planning of subsea fibre optic and HV cable projects in deep and shallow water including integration with satellite and microwave systems for remote locations.

Leo Foulger TMIET

Feasibility and Implementation Manager with 22 years' experience

Leo Foulger TMIET

Feasibility and Implementation Manager with 22 years' experience


Leo has over 22 years’ experience in development, test, qualification and delivery of fibre optic jointing and telecoms wet plant technologies.

Eur Ing Ian Watson CEng FIMechE AUH

Engineering Specialist – Former Joint Venture Engineering Manager with 35 years’ experience

Eur Ing Ian Watson CEng FIMechE AUH

Engineering Specialist – Former Joint Venture Engineering Manager with 35 years’ experience


Ian has over 35 years’ experience in the development and delivery of novel wet plant solutions for the high reliability submarine telecommunication and defence synthetic aperture sonar sectors, spanning both domestic and international projects.  He is a specialist in deep water mechanics, high pressure sealing, optical/power glanding and cable interfacing.

Adrian Jarvis BEng (Hons) AMIMechE

Senior Mechanical Engineer with 25 years' experience

Adrian Jarvis BEng (Hons) AMIMechE

Senior Mechanical Engineer with 25 years' experience


Adrian has over 25 years’ experience in the mechanical design, development and test of subsea telecommunication products, including technical transfer to manufacture. He specialises in CAD, prototyping, 3D printing and hermetic sealing. Previously Adrian’s work have involved R&D activities in the following industries: materials, terrestrial telecommunications, food and defence.

Ion Maftei AMIMechE

Senior Mechanical Engineer with 8 years' experience

Ion Maftei AMIMechE

Senior Mechanical Engineer with 8 years' experience


Ion is a mechanical engineer with a background in mechatronics and structural fault diagnosis. He has almost a decade of significant experience in oil & gas and submarine telecoms delivering concept design and development, CAD, FEA, topology optimization, qualification and testing, documentation.

Tim Thornett Bsc (Hons) MA

Optical Engineering Specialist with 25 years' experience

Tim Thornett Bsc (Hons) MA

Optical Engineering Specialist with 25 years' experience


Tim is an optical engineer with over 25 years’ experience in the optical design and implementation of end-to-end submarine telecommunication systems. He has particular experience in the development of optical amplifiers for submarine repeaters and optical monitoring and testing systems for the submarine communication  environment.

Our Latest News:

Posted: 02/02/2024

Cable Innovator successfully completes a cable-lay for the Neptune Observatory.

We are delighted that our vessel, the Cable Innovator, has successfully completed a cable...

Posted: 02/02/2024

January rowing challenge conquered!

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Posted: 17/10/2023

Inspiring volunteers – raising awareness and vital funds for MNDA

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Posted: 13/10/2023

Inspiration and hope at the Ninos Pag Asa Centre Olongapo, Philippines.

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Posted: 15/09/2023

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Posted: 12/09/2023

Inspiring future generations into the exciting telecoms sector

Our Head of Asia, Sheryl Ong, is going to be presenting at the SubOptic Foundation Symposium to...

Posted: 08/03/2023

Global Marine mark delivery of 80th digital X-Ray camera

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Posted: 02/03/2022

Cable Retriever Awarded UK Met Office Certificate of Excellence for 2021

In recognition of the high standard of weather observations undertaken voluntarily at sea Cable...

Posted: 28/09/2021

Future Proofing the UK’s Critical Subsea Cable Infrastructure

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Posted: 06/09/2021

GLOBAL MARINE CONDUCTS CABLE ROUTE SURVEY FOR SCOTTISH GOVERNMENT’S REACHING 100% PROGRAMME

Global Marine has completed the initial subsea fibre-optic cable route survey scope for the...

Posted: 25/08/2021

Interview with Melissa Webster

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Posted: 20/07/2021

SEAIOCMA Extends Cable Maintenance Agreement with Global Marine

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Posted: 25/06/2021

Day of the Seafarer 2021

To mark the IMO Day of the Seafarer 2021 we spoke to two of...

Posted: 15/03/2021

Global Marine Awarded 16-Cable R100 Project by BT

Global Marine has been awarded the desktop study, survey and cable installation scope as...

Cable Retriever
Posted: 16/02/2021

Cable Retriever awarded UK Met Office Excellence Award

In recognition of the high standard of weather observations undertaken voluntarily at sea Global...

Posted: 01/02/2021

Global Marine Group signs the Neptune Declaration

Global Marine Group, along with over 450 other organiations have joined forces to help...

C.S. Sovereign telecoms cable ship
Posted: 25/11/2020

ACMA 2017 AGREEMENT EXTENDED TO THE END OF 2025 WITH SUPPLIERS GLOBAL MARINE AND ORANGE MARINE

The Atlantic Cable Maintenance Agreement (ACMA) members and their suppliers Global Marine and Orange...

Posted: 13/10/2020

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OceanIQ Brand Logo
Posted: 21/09/2020

Global Marine Group Launches OceanIQ® Consultancy Business – utilising rich subsea data

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Posted: 08/09/2020

Global Marine Awarded Desk Top Study for Singapore India Gateway Cable System

Global Marine, a leading provider of subsea fibre optic cable installation and maintenance solutions...

Posted: 18/08/2020

SEA-KIT USV successfully completes 22 days of offshore operations in the Atlantic Ocean

We’re pleased to share this exciting press release from SEA-KIT celebrating the return of...

Posted: 14/07/2020

Group Annual Awards 2020

We recently celebrated our annual awards to recognise some of the shining stars within...

Posted: 18/06/2020

Global Marine Cadet Awarded Engineering Cadet of the Year

Today marks what should have been the graduation ceremony for students from the City...

Posted: 10/06/2020

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As part of the wider Global Marine business, our UJ team are quite unique...

Posted: 02/06/2020

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Posted: 20/05/2020

Adapting to ensure a continuation of service during COVID-19

As the COVID-19 pandemic continues to affect businesses and individuals globally, like everyone, we’ve been adapting...

Posted: 24/03/2020

Adapting to ensure a continuation of service: Our response to COVID-19

In light of recent developments and UK Government guidelines, we wanted to update our...

Posted: 02/03/2020

J.F. Lehman & Company acquires Global Marine Group

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Posted: 31/01/2020

HC2 Holdings Announces Definitive Agreement to Sell Global Marine Group, Excluding the HMN Joint Venture, for $250 Million

The Global Marine Group is extremely pleased to announce that an agreement has been...

Posted: 25/06/2019

Global Marine Group to Safeguard Ørsted’s UK Power Cables Under the Atlantic Cable Maintenance Agreement

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Posted: 08/03/2019

Meet some of our inspirational ladies on International Women’s Day

In 2019, the focus of International Women’s Day is about balance. Balance drives a...

Posted: 28/02/2019

Osbit to deliver next generation Subsea Plough to Global Marine Group

Osbit Limited, the offshore technology and engineering company, has secured a contract with Global...

Posted: 22/08/2018

Global Marine completes two offshore oil field communications contracts for Tampnet

Global Marine, a market leader in subsea fibre optic cable installation and maintenance solutions...

Posted: 01/08/2018

Global Marine Group handed RoSPA Order of Distinction (19 consecutive Golds) Award for health and safety practices

Global Marine Group has been issued a prestigious award in recognition of its practices...

Posted: 24/07/2018

Nurturing the next generation of engineers

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Posted: 05/07/2018

Global Marine Group to Ride 350km for corporate charity, the Jubilee Sailing Trust

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Posted: 04/07/2018

Celebrating the successes of our people

At the end of June we held our Annual Awards Evening recognising employees and...

Posted: 03/05/2018

CEO Today Magazine Announce Ian Douglas as a European Award Winner 2018

Ian Douglas Wins CEO Today Magazine European Awards We are pleased to officially announce...

Posted: 12/04/2018

Contract Awarded for Sub Sea Cable Replacement in Orkney Isles

Global Offshore is pleased to share Scottish & Southern Electricity Networks’ latest press release regarding a...

Posted: 14/02/2018

Global Marine Group presented prestigious Shipowner of the Year Award by Offshore Support Journal

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Posted: 20/12/2017

Global Marine Group announces new business unit ‘Global Offshore’ to serve the oil & gas sector

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Posted: 01/12/2017

Global Marine Group completes acquisition of Fugro’s trenching and cable lay business

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Posted: 07/11/2017

Global Marine Group launches new Safety Management System

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Posted: 12/10/2017

Global Marine Group to acquire Fugro’s trenching and cable laying business

Acquisition further positions company for significant offshore power market opportunities Chelmsford, Thursday 12 October...

Posted: 05/09/2017

Global Marine Group Awarded Order of Distinction from Royal Society for the Prevention of Accidents

Chelmsford, Tuesday 5 September 2017. The Global Marine Group (GMG), a market leader in offshore...

Posted: 31/08/2017

Global Marine Group Chooses Port of Blyth to Extend UK Footprint

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