Fiercely independent,
unwavering integrity,
relentlessly innovative.
There’s a future where every home and business on the planet has resilient access to clean and affordable energy. Bringing that future closer to tomorrow begins with a deep understanding of marine geoscience. That’s why we are here.
About Ternan
We provide advanced marine geoscience expertise to companies on the frontline of the renewable energy transition.

We focus on quality and technical excellence
When you outsource to a marine geoscience expert, you have the right to expect certain results. So beyond our ambition to become the leading fully integrated marine geoscience consultancy for the offshore sector, there’s a certain way we insist on working with our clients. And it’s won us plenty of admirers.
Marine geoscience on a global scale
No two offshore sites are ever the same. We know. From the stiff clays of Canada to the carbonate sands of Australia, we have advised on offshore projects all over the world. Yours could be next.
Projects
Countries
Clients
A trusted Marine Geoscience Partner
Drawing on decades of marine geoscience experience, we’ve partnered with industry leaders across renewables, oil & gas, and marine infrastructure. Our independent expertise has earned the trust of global organizations committed to sustainable energy development and infrastructure excellence.















Unbridled honesty, unbiased advice. Just the way it should be.
When you choose Ternan Energy, you choose a partner that’s 100% independent. There’s no recommending needless additional work to please external shareholders. And no referring you to partner or parent companies. Our only focus is doing what’s right by you, your project and your commercial interests. That’s a promise.
Integrity
We promise unbiased honesty that is rooted in our clients’ best interests.
Independence
We are completely independent and 100% employee owned.
Innovation
We develop creative answers to complex engineering challenges – helping clients to maintain profitability in a sector where margins can be tight.

We have the people power to react fast
It’s true what they say. There’s strength in numbers. We have a large team of geophysical, geotechnical and geomorphological experts all under one roof. That means we have the agility to flex quickly to new projects and changes of project scope. Ready when you are.