Capture reality.


SEP Hydrographic offer advanced, integrated survey solutions to image assets with exceptional detail.

Survey Services

From our headquarters north of Liverpool, we provide high-quality asset inspection, hydrographic, geophysical, UAV and land surveys, BIM, CAD, and online data services.

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Survey Platforms

Our dedicated survey vessel 'Pulsar' is permanently mobilised with a suite of high-specification survey and positioning equipment. We also have access to other survey platforms as part of the SEP group.

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About us

Established in 2020, our senior leadership team benefit from more than 45 years of experience in hydrographic and geophysical survey.

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SEP Hydrographic Limited was established in 2020 to meet the growing demand for a complete land and marine survey solution. Our leadership team benefits from more than 45 years of experience providing various marine survey services to international oil, gas, renewable energy and utility companies.

Industry leading techniques

The SEP Hydrographic team provides a range of high-quality marine surveys to supplement our existing offering and offer a complete end to end service. Multibeam bathymetry, 3D Scanning Sonar, Laser scanning and photogrammetry techniques are combined to provide detailed visualisations of subsurface assets, both above and below the waterline.

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45 years experience
45 years experience
Based in the UK
Based in the UK
Land and marine surveys
Land and marine surveys
Client data portal
Client data portal

Integrated survey services

We work with clients from a range of sectors to provide general asset integrity inspection and monitoring, post-storm or damage event surveys and pre-construction engineering surveys.

Our combined land and marine service offering allows us to provide an efficient, integrated solution to our clients.

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Download our brochure

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Latest News

Benefits of a 3D Mesh

Posted 20 July 2020

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How to Become a Hydrographic Surveyor

Posted 24 June 2020

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Multibeam Echosounder vs Mechanical Scanning Sonar: What is the difference?

Posted 24 June 2020

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