Overview

Bontaz Groupe is a French industrial group headquartered in Marnaz, Auvergne-Rhône-Alpes, founded in 1965. It employs between 1,000 and 5,000 people and is family-owned. The company makes automotive hydraulic functions, electromechanical actuators, and hydraulic components such as check valves and cooling nozzles, and serves the automotive, electric-vehicle, renewable-energy, industrial-equipment, and aerospace sectors. Its product range includes battery and pump-related products, and in June 2026 it was reported to be piloting the DNSBOX system to replace Windows DHCP across its plants.

At a glance

What Bontaz Groupe makes

The company holds IATF 16949, ISO 9001, ISO 14001, and ISO 45001 certifications and lists machining, assembly, plastic, battery, and brake products among its offerings.

Products and capabilities described on the company's own site include Machining, Assembly, Plastic, Battery, Emissions, Brake, Pump (source: bontaz.com).

Certifications

Bontaz Groupe is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• IATF 16949 — bsigroup.com

• ISO 14001 — linkedin.com

• ISO 45001 — linkedin.com

• ISO 9001 — linkedin.com

Latest developments

• 2026-09-15 — Nous sommes fiers d’annoncer que notre Lean Academy est désormais accréditée par The Council for Six Sigma Certification (CSSC) pour ses programmes Lean Six Sigma Yellow Belt et Green Belt. | Bontaz Centre Maroc (linkedin.com)

• 2026-09-10 — Bontaz "Top Partner" du groupe Volkswagen | Bontaz (linkedin.com)

• 2026-07-16 — Bontaz reshared Marilyne Parcevaux Traglia: 𝗔𝘁 Bontaz, 𝗼𝘂𝗿 𝗱𝗶𝘃𝗲𝗿𝘀𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗶𝘀 𝘁𝗮𝗸𝗶𝗻𝗴 𝘀𝗵𝗮𝗽𝗲. (linkedin.com)

• 2026-06-02 — Bontaz Groupe pilots DNSBOX to replace Windows DHCP across its plants | ApplianSys (appliansys.com)

• 2026-02-27 — L’index d’égalité 2025 Bontaz - Bontaz Groupe (bontaz.com)

• 2026-02-24 — Bontaz lance le Bontaz Outdoor Crew : une équipe de jeunes athlètes locaux de haut niveau. - Bontaz Groupe (bontaz.com)

Company details

Bontaz was named a "Top Partner" of the Volkswagen Group in September 2026, and its Lean Academy in Morocco was accredited by The Council for Six Sigma Certification for Yellow Belt and Green Belt programs. Bontaz Groupe was founded in 1965, has an estimated 1,000-5,000 employees, and is headquartered in Marnaz, Auvergne-Rhone-Alpes. On the LightSource stability read it is rated "Established & active": 61 years in operation (founded 1965). Holds IATF 16949, ISO 14001, ISO 45001, ISO 9001 certification(s) per public sources.

Frequently asked questions

What does Bontaz Groupe make?

Bontaz Groupe is a French industrial group headquartered in Marnaz, Auvergne-Rhône-Alpes, founded in 1965. It employs between 1,000 and 5,000 people and is family-owned. The company makes automotive hydraulic functions, electromechanical actuators, and hydraulic components such as check valves and cooling nozzles, and serves the automotive, electric-vehicle, renewable-energy, industrial-equipment, and aerospace sectors. Its product range includes battery and pump-related products, and in June 2026 it was reported to be piloting the DNSBOX system to replace Windows DHCP across its plants.

Where is Bontaz Groupe headquartered?

Bontaz Groupe is headquartered in Marnaz, Auvergne-Rhone-Alpes.

When was Bontaz Groupe founded?

Bontaz Groupe was founded in 1965.

How big is Bontaz Groupe?

Bontaz Groupe has an estimated 1,000-5,000 employees.

What certifications does Bontaz Groupe hold?

Bontaz Groupe lists IATF 16949 · ISO 14001 · ISO 45001 · 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.