NERIO is the turnkey solution for Cable Termination & Testing (T&T).
As an independent player, NERIO focuses on providing reliable and high-quality services for the successful execution of your projects.
Based in Paris, Nantes and Genoa but operating worldwide, NERIO builds upon AVENTA’s more than a decade experience in providing the best skills for the marine renewable energy sector. NERIO’s team includes senior cable experts and engineers, with a proven track record and outstanding reputation.
As part of such a rapidly developing group of companies, NERIO utilises various valuable resources, such as Engineering & Consultancy services offered by these sister companies to strengthen its capabilities.
At NERIO, we consider ourselves to be the “Full Package deal”, which means that when you entrust us as your T&T Service partner, you get much more than just that service. We have a vast wealth of experienced specialists at our disposal, 24/7! As an example, we have a whole Engineering Department to support our engineering needs and a Consulting Department to assist us with identifying key talent for specialist roles.
Through our specialized services, we strive to enhance renewable energy projects’ efficiency, safety, and performance, making a significant impact on the global energy landscape.
Our Values

Provide a FRESH CONCEPT

Be INNOVATIVE

Show INTEGRITY at all times

RESPONSIVENESS is key

POSITIVITY in the face of adversity
Our Standards

PROFESSIONALISM towards every situation

DEDICATION
to the mission & our team

Ensure a CLOSE CUSTOMER RELATIONSHIP
Why Choose Nerio?

Expertise and Experience
With a team of skilled professionals, NERIO brings unparalleled expertise and years of experience from the energy sector, with over 30 years’ expertise in offshore T&T projects. We understand the risks and challenges of Offshore projects in particular for Cable Termination & Testing (T&T), allowing us to deliver solutions tailored to your specific needs.
Comprehensive Services
We offer a full suite of services to support your projects, from project management to HV & FO terminations and testing. Our team includes highly skilled personnel with ongoing training and development, and a strong support network with in-house engineering and planning experts. NERIO has you covered.


Innovation, Technology and Equipment
Embracing the latest advancements in technology and innovation, NERIO incorporates state-of-the-art tools and methodologies in all its undertakings. Moreover, we only work with cutting-edge equipment for maximum efficiency.
Documents & Certifications
Nerio’s policy
ISO 9001:2015 – Quality Management Systems
ISO 14001:2015 – Environmental Management Systems
ISO 45001:2018 – Occupational Health and Safety Management System
Our services

Project Management
We strongly hold that every Client’s project is unique and deserves rigorous scrutiny. Through management and commitment from skilled and dedicated professionals, we ensure the success of your project.

Power Cable Services
We excel in providing comprehensive Power Cable solutions, including Installation, Maintenance & Repair Services. Our team of experts ensures the optimal performance of your offshore energy infrastructure.

Marine Operations
Navigating marine construction projects can be complex. We offer reliable Marine Consultancy and Supervision services to ensure smooth project execution, from initial planning to project completion.

Onshore & Offshore Personnel
We have a team of highly skilled professionals who are ready to support your operations. Whether you need technicians, engineers, safety personnel, or project managers, we have the right expert for your project.