Overview

Chantier Naval Couach (CNC) is a French shipbuilder headquartered in Gujan-Mestras, Aquitaine, on the Arcachon Basin. Founded in 1897, it has an estimated 200-500 employees and an estimated revenue band of $10-50M, and it is privately held. CNC builds composite vessels for military and government authorities, including patrol boats, interceptors and rescue craft, as well as motor yachts from 11 to 50 meters. Its industries include military and defense, luxury yachts and industrial equipment. In July 2026 the company was reported to have won a contract to supply surveillance patrol boats for the French maritime gendarmerie.

At a glance

What Chantier Naval Couach - CNC makes

The company works mainly in composite construction and states that it uses bio-sourced green resin composites, and it holds ISO 9001 and ISO 14001 certifications.

Products and capabilities described on the company's own site include Composite (source: couach.com).

Certifications

Chantier Naval Couach - CNC 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 9001 — usinedefrance.fr

Latest developments

• 2026-10-27 — Le chantier Couach se refait une place sur le marché français du naval de défense (ouest-france.fr)

• 2026-09-14 — fourniture en métropole et en outre-mer de Vedettes côtières de surveillance maritime et réalisation de prestations associées. — CHANTIER NAVAL COUACH (CNC) · Adjudera (adjudera.com)

• 2026-08-07 — Arcachon : le chantier naval Couach fait son retour sur les marchés de l'Etat - Les Echos (lesechos.fr)

• 2026-08-05 — Entre yachts de luxe et vedettes pour l'armée : comment ce chantier de Gironde a décroché un contrat à 100 millions d'euros ? (franceinfo.fr)

• 2026-07-09 — Le chantier naval Couach remporte le gros contrat des vedettes de surveillance pour la gendarmerie maritime (ouest-france.fr)

• 2026-06-16 — French shipbuilder Couach partners with Nigeria’s SPO-DICON - Military Africa (military.africa)

Company details

CNC is privately held and operates in a niche that spans defense vessels and luxury yachts, with an estimated workforce of 200-500 people. Chantier Naval Couach - CNC was founded in 1897, has an estimated 200-500 employees, and is headquartered in Gujan-Mestras, Aquitaine. On the LightSource stability read it is rated "Established & active": 129 years in operation (founded 1897). Holds ISO 14001, ISO 9001 certification(s) per public sources.

Frequently asked questions

What does Chantier Naval Couach - CNC make?

Chantier Naval Couach (CNC) is a French shipbuilder headquartered in Gujan-Mestras, Aquitaine, on the Arcachon Basin. Founded in 1897, it has an estimated 200-500 employees and an estimated revenue band of $10-50M, and it is privately held. CNC builds composite vessels for military and government authorities, including patrol boats, interceptors and rescue craft, as well as motor yachts from 11 to 50 meters. Its industries include military and defense, luxury yachts and industrial equipment. In July 2026 the company was reported to have won a contract to supply surveillance patrol boats for the French maritime gendarmerie.

Where is Chantier Naval Couach - CNC headquartered?

Chantier Naval Couach - CNC is headquartered in Gujan-Mestras, Aquitaine (Rue de l'Yser, Gujan-Mestras, Aquitaine, 33470).

When was Chantier Naval Couach - CNC founded?

Chantier Naval Couach - CNC was founded in 1897.

How big is Chantier Naval Couach - CNC?

Chantier Naval Couach - CNC has an estimated 200-500 employees, with revenue in the $10-50M range (estimated).

What certifications does Chantier Naval Couach - CNC hold?

Chantier Naval Couach - CNC lists ISO 14001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.

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Last verified Nov 2026. Is this your company? Request a correction.