About us

TRESIOS is a project management and construction company specializing in subsea construction and marine services. With a comprehensive suite of services and a team of seasoned professionals, we manage projects from conception to completion, providing the ultimate one-stop solution.

Group Picture Nord Stream 2 last pipe

We Make it Happen

At Tresios, our strength lies in our ability to swiftly adapt and act, leveraging our multidisciplined expertise, efficient way of working, and extensive network. This unique positioning ensures efficiency and reliability for our clients, partners, and colleagues. Operating globally, we tackle challenges head-on, offering tailored solutions with a dedicated team committed to making things happen together. We believe in working hard and having fun, creating success stories side by side with our clients, partners, and colleagues. Join us on this exciting journey. #WEMAKEITHAPPEN.

Unmatched Expertise and reliable

At Tresios, we excel in delivering successful Energy and Maritime Construction projects, backed by unmatched experience, proven knowledge, and unwavering reliability. Our vision is to be your trusted contractor, offering comprehensive one-stop-shop services within the Energy and Maritime Construction Industry.

With a commitment to excellence and innovation, we bring together expertise across diverse disciplines to ensure the seamless execution of every project. From offshore subsea constructions, renewable energy projects, and heavy marine transports, our team handles complexities with precision and efficiency.

Our values

Our Values - Decisive

One-stop-shop

At Tresios, we embrace challenges head-on, delivering effective solutions globally. Our extensive knowledge, turnkey services, and end-to-end approach give our clients a significant advantage. We swiftly respond to their needs, scaling our expertise effortlessly to deliver high-quality results. We don’t wait for opportunities; we create them, ensuring everything is done right to maximize value for our clients. As your comprehensive one-stop shop in the energy and maritime construction industries, we support all your needs and continuously seek fresh ideas to stay ahead.  We are your full-service partner in every aspect. #WEMAKEITHAPPEN.

Our Values - Together

Together

At Tresios, we consider our clients, partners, and colleagues part of the Tresios family. We cultivate a collaborative environment where everyone feels valued, respected, and supported. Building a successful company is a team effort, and we thrive on working hard, having fun, and achieving our goals together. Mutual respect and shared success drive us forward. Your success is our success. #WEMAKEITHAPPEN.

Our Values - Knowledgeable

Knowledgeable

Our greatest asset at Tresios is our people. Our team of highly-skilled professionals possesses extensive experience and profound knowledge in their fields. We are committed to investing in our people, providing them with the tools and resources needed for continuous learning and knowledge sharing. This dedication ensures we deliver a world-class workforce of multidisciplinary specialists. Expertise is the cornerstone of our success. #WEMAKEITHAPPEN.

Our Values - Authentic

Authentic

At Tresios, our ‘offshore attitude’ means operating with honesty and integrity – what you see is what you get. We pride ourselves on being open and transparent in all our business dealings, valuing genuine relationships with everyone we work with. We strive to be a reliable and trustworthy partner, always delivering on our promises. Authenticity is at our core. #WEMAKEITHAPPEN.

Certifications

Certification - ISO 14001
Certification - ISO 9001-2015
Certification - ISO 45001

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