ACTI

Through its specialized subsidiaries, the company designs, manufactures and maintains complex systems for both public and private clients, in France and internationally.

Positioned at the intersection of shipbuilding, engineering and industrial services, ACTI delivers an integrated approach covering the entire lifecycle of assets — from design and construction to transformation and operational maintenance.

Rooted in strong industrial know-how and a culture of agility, ACTI develops tailor-made solutions that meet the technical, operational and regulatory constraints of civil, institutional and defense sectors.
Its ability to operate on complex, high-stakes projects makes ACTI a trusted partner for critical operations.

ACTI’s strength lies in its organization through specialized subsidiaries, each bringing recognized expertise and enabling the group to address complex challenges with precision, responsiveness and efficiency.

Within this ecosystem, ETELIUM perfectly illustrates the group’s capacity for innovation, with a dedicated range of professional HDPE vessels designed and manufactured in France.
These boats represent a new generation of maritime work tools — robust, durable and engineered to perform in the most demanding operational environments.

Through its subsidiaries, ACTI embodies a true “French industrial gem”, combining technical excellence, field-driven culture and the ability to adapt quickly to evolving market needs.

• shipbuilding and fabrication of complex metal structures
• vessel refit, conversion and modernization
• engineering, design and system integration
• naval and industrial maintenance (MCO) across multiple sites

In addition, the ETELIUM subsidiary focuses on the design and manufacturing of professional HDPE boats.
These vessels are developed as robust, low-maintenance operational assets, designed to perform in demanding marine environments.

ETELIUM boats are deployed across a wide range of operational activities:

• port services and maritime infrastructure operations
• surveillance, security and law enforcement missions at sea
• crew and passenger transport (shuttles and coastal services)
• maritime civil works and coastal construction
• technical operations including inspection, diving and maintenance
• emergency response, rescue and assistance
• industrial and environmental operations

This broad range of applications ensures high operational versatility, with each vessel configurable to meet specific mission requirements while maintaining reliability, durability and cost efficiency.