European leader in trenchless engineering
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A key partner in energy transition
Transforming and maintaining energy, water and telecom transport networks is more critical than ever.
An industry reference for trenchless engineering in Europe, OPTIMUM supports project owners, design offices, and works contractors from the conception to construction of infrastructure projects.


Adding value at every step
With a highly skilled and experienced team of engineers, OPTIMUM brings an innovative approach and valuable insight throughout a trenchless project.
Each assignment OPTIMUM undertakes adds value, thanks to the relevance, impartiality and technical sophistication of the solutions proposed, always delivered on time.
Perfect understanding of all trenchless techniques
Unparalleled experience trenchless jobsites
Insight into every client’s specific needs
Responsive team, deployable worldwide
Most innovative methodology on the market
Trenchless work cannot be improvised
Trenchless installation techniques preserve existing infrastructure and ensure networks are more secure and more durable, even in previously inaccessible areas.
Deciding which technique to use depends on customer needs, crossing dimensions, local regulations, as well as geological and geotechnical constraints.
Each trenchless technique has its own advantages; knowing which one to choose guarantees precision and performance for every project.
Auger boring
Horizontal Directional Drilling
Direct Pipe®
Microtunnelling
Tunnelling
In numbers …
OPTIMUM helps energy and network stakeholders around the world optimise trenchless operations and reduce geotechnical risks. The continued trust of its customers is testament to the value and impact of each assignment.