Verified Nov 2026
Metal Fabrication
·
Saint-Nazaire, Pays de la Loire
·
Since 1861
Chantiers de l'Atlantique is a shipbuilder headquartered in Saint-Nazaire, France, with roots dating to 1861. The company designs, integrates, tests, and delivers maritime projects, including cruise ships, naval vessels, and offshore electrical substations for renewable energy. It employs an estimated 1,000 to 5,000 people and reports revenue in the $1 billion to $5 billion range, based on an estimated band. Its work serves the military-defense, renewable-energy, and electric-vehicle sectors, among others. In October 2026, its chief executive commented on a strong order outlook.
Chantiers de l'Atlantique at a glance
Revenue
$1-5B
Est. band
Employees
1,000-5,000
Founded
1861
Headquarters
Saint-Nazaire, Pays de la Loire
Certifications
ISO 14001 · ISO 45001 · ISO 9001
Import activity
24
Industries
Automotive
Electric Vehicles
Construction
Military & Defense
Renewable Energy
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
24
Named foreign suppliers
5
Top origins
The Bahamas · French Polynesia · Germany · Belgium
Shared foreign counterparties do not establish that these companies buy from Chantiers de l'Atlantique.
What this tells a buyer
No customs shipment data is available, so the company's trade footprint cannot be described; in February 2026, it reported doubling its capacity in marine renewable energy.
The company offers turnkey engineering, procurement, construction, installation, and commissioning (EPCIM) projects for offshore electrical substations and provides lifecycle maintenance and upgrades, and it is certified to ISO 9001, ISO 14001, and ISO 45001.
The company is privately held, and its work spans cruise ships, naval vessels, and offshore energy installations, with a November 2026 report stating that French minesweeper vessels will be converted by the company.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
165 years in operation (founded 1861).
Holds ISO 14001, ISO 45001, ISO 9001 certification(s) per public sources.
Overview
Chantiers de l'Atlantique is a shipbuilder headquartered in Saint-Nazaire, France, with roots dating to 1861. The company designs, integrates, tests, and delivers maritime projects, including cruise ships, naval vessels, and offshore electrical substations for renewable energy. It employs an estimated 1,000 to 5,000 people and reports revenue in the $1 billion to $5 billion range, based on an estimated band. Its work serves the military-defense, renewable-energy, and electric-vehicle sectors, among others. In October 2026, its chief executive commented on a strong order outlook.
At a glance
Attribute | Detail |
|---|---|
Founded | 1861 |
Headquarters | Saint-Nazaire, Pays de la Loire |
Employees | 1,000-5,000 |
Revenue | $1-5B (estimated) |
Primary capability | Metal Fabrication |
Certifications | ISO 14001 · ISO 45001 · ISO 9001 |
What Chantiers de l'Atlantique makes
The company offers turnkey engineering, procurement, construction, installation, and commissioning (EPCIM) projects for offshore electrical substations and provides lifecycle maintenance and upgrades, and it is certified to ISO 9001, ISO 14001, and ISO 45001.
Certifications
Chantiers de l'Atlantique is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 14001 — usinedefrance.fr
ISO 45001 — usinedefrance.fr
ISO 9001 — usinedefrance.fr
Trade and customs footprint
No customs shipment data is available, so the company's trade footprint cannot be described; in February 2026, it reported doubling its capacity in marine renewable energy. US customs bill-of-lading records list 24 inbound shipments across 5 foreign suppliers, with top origins including The Bahamas · French Polynesia · Germany · Belgium.
Latest developments
2026-11-03 — Les futurs navires de guerre des mines français seront transformés par les Chantiers de l’Atlantique (ouest-france.fr)
2026-10-07 — Laurent Castaing (Chantiers de l’Atlantique) : « Nous avons rarement connu un horizon de commandes aussi favorable » (ouest-france.fr)
2026-02-11 — Energies renouvelables. Les Chantiers de l’Atlantique doublent leurs capacités dans les énergies marines renouvelables (ouest-france.fr)
2026-02-10 — EN IMAGES. Pour les énergies renouvelables, les Chantiers de l’Atlantique se dotent d’un nouvel atelier XXL (actu.fr)
2025-12-30 — Paquebots, sous-stations électriques, porte-avions… une pluie de milliards sur les Chantiers de l’Atlantique (ouest-france.fr)
2025-12-16 — Stephenson Harwood advises Chantiers de l'Atlantique on its first €150 million revolving credit facility | Stephenson Harwood (stephensonharwood.com)
Company details
The company is privately held, and its work spans cruise ships, naval vessels, and offshore energy installations, with a November 2026 report stating that French minesweeper vessels will be converted by the company. Chantiers de l'Atlantique was founded in 1861, has an estimated 1,000-5,000 employees, and is headquartered in Saint-Nazaire, Pays de la Loire. On the LightSource stability read it is rated "Established & active": 165 years in operation (founded 1861). Holds ISO 14001, ISO 45001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Chantiers de l'Atlantique make?
Chantiers de l'Atlantique is a shipbuilder headquartered in Saint-Nazaire, France, with roots dating to 1861. The company designs, integrates, tests, and delivers maritime projects, including cruise ships, naval vessels, and offshore electrical substations for renewable energy. It employs an estimated 1,000 to 5,000 people and reports revenue in the $1 billion to $5 billion range, based on an estimated band. Its work serves the military-defense, renewable-energy, and electric-vehicle sectors, among others. In October 2026, its chief executive commented on a strong order outlook.
Where is Chantiers de l'Atlantique headquartered?
Chantiers de l'Atlantique is headquartered in Saint-Nazaire, Pays de la Loire (Avenue Antoine Bourdelle, Saint-Nazaire, Pays de la Loire, 44600).
When was Chantiers de l'Atlantique founded?
Chantiers de l'Atlantique was founded in 1861.
How big is Chantiers de l'Atlantique?
Chantiers de l'Atlantique has an estimated 1,000-5,000 employees, with revenue in the $1-5B range (estimated).
What certifications does Chantiers de l'Atlantique hold?
Chantiers de l'Atlantique lists ISO 14001 · ISO 45001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Chantiers de l'Atlantique import from overseas suppliers?
US customs bill-of-lading records show 24 inbound shipments for Chantiers de l'Atlantique, with top origins including The Bahamas · French Polynesia · Germany · Belgium.
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Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Phone
+33 2 51 10 91 00
Certification
ISO 14001 · ISO 45001 · ISO 9001
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