The Subsea industry

The subsea industry is involved in extracting oil and gas reserves which lie beneath the seabed, but also covers other sectors such as oceanology, marine renewables and defence.

People often think about oil rigs and platforms when they think of the subsea industry, and these have become a common site in UK waters since reserves were discovered in the north sea more than 40 years ago.

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Subsea companies

  • Expro

    Expro’s business is well flow management, providing products and services that measure, improve, control and process flow from high-value oil and gas wells. Market leaders in the offshore and…

  • Aquaterra Energy

    Aquaterra Energy Ltd is a dynamic Offshore Engineering company based in Norwich, Norfolk. Aquaterra has expanded rapidly over the last five years to a current team of almost 100…

  • Tritech International Ltd

    Tritech International Limited began with the aim of producing underwater (subsea) products for the offshore oil & gas industry, military and other worldwidesubsea markets. Markets Tritech work in: Defence…


800 + Companies£6bn industry
5000employees


Subsea career videos

Katrina Denholm

CAD Operator
Find out how Katrina is a key part of every subsea project.

Graeme Leishman

ROV Personnel Manager
Think an ROV pilot career is for you? Find out about Graeme’s journey to the top.

Lewis Moir

Subsea Technician
Find out about how an apprenticeship has given Lewis the qualifications and skills needed to work in the subsea sector.


More about Subsea

Routes to entry

Find out how to get into the Subsea sector! Join after secondary school, enter through an industry apprenticeship scheme, college study or on a university graduate programme.

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Subsea technology

Subsea engineering and construction involves the building and maintenance of underwater equipment and pipelines. Learn about Subsea activities and the equipment that powers them.

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Technology in focus

Each month we feature a piece of technology central to Subsea activity. We take a look at the technology it’s self and the various operational, design, construction and support roles surrounding the technology.

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