Simple and effective surveying solutions.

Established in 2020, SEP Hydrographic Limited was founded to meet the needs of a growing client base. Based in Skelmersdale, near Liverpool, our senior leadership team benefit from more than 45 years of experience in hydrographic and geophysical survey.

About SEP Hydrographic Limited

Established in 2020, SEP Hydrographic Limited stands at the forefront of hydrographic and geophysical survey solutions. Based in Skelmersdale, close to the historic maritime city of Liverpool, our inception was driven by a clear vision to cater to the expanding needs of our client base.

At SEP Hydrographic, we are on a mission to deliver survey solutions that are comprehensive, efficient, and tailored to meet the dynamic needs of our clients. Our services span a versatile range of applications, from high-resolution asset inspection surveys to full geophysical and Unexploded Ordnance (UXO) surveys.

An Experienced Team
An Experienced Team
45 Years of Experience
45 Years of Experience
Pre-mobilised Vessels
Pre-mobilised Vessels
Land & Marine Capabilities
Land & Marine Capabilities

Our Commitment to Excellence

SEP Hydrographic combines traditional values with modern innovation. With our capacity to provide a wide range of survey services using the latest technology and equipment, we support clients across the UK with unmatched reliability and expertise.

Safety, quality, and efficiency are our core values.

From the first interaction to project completion and beyond, we work closely with our clients to not only meet but surpass their expectations. We're committed to building partnerships and providing innovative solutions within clients' budgets and timelines.

About Survey & Engineering Projects

Since its establishment in 1986, SEP’s core principle has always been to provide simple and effective surveying solutions. While our principles remain the same, our ability to adapt and evolve has been our greatest strength.

Today, SEP Hydrographic, as a key part of the SEP group, brings decades of experience while continuing to push boundaries and redefine industry standards.

The group has undertaken successful projects across a myriad of sectors throughout the UK – from major oil and gas clients to local authorities and individual contractors, marking us as one of the largest independent entities in our industry.

Our team is highly skilled and committed to continuous professional development, ensuring that we maintain our reputation for excellence. With extensive industry knowledge and experience, they deliver innovative solutions tailored to each client’s specific needs.

Core Services

Our core services, including hydrographic surveys, geophysical surveys, UXO surveys, cable route surveys, and seabed mapping, are meticulously designed to meet the broad spectrum of our clients’ needs.

Leveraging a suite of advanced survey technology, we specialise in providing accurate data, mapping, and analysis to support a wide range of marine projects, from renewable energy developments to port and harbour construction.

Our Services

Commitment to Quality & Safety

Working with SEP Hydrographic, our clients gain more than a service provider; they gain a partner equipped with the knowledge, technology, and experience to make their project a success.

A relentless commitment to safety, training, and project management excellence underpins everything we do, ensuring that our clients can rely on us to deliver quality results, safely and efficiently.

We invite you to learn more about how our survey services can support your projects and aspirations. Please contact us to discuss how we can be part of your next project.