Verified Nov 2026
Batteries & E-Mobility
·
Les Clayes-sous-Bois, Ile-de-France
·
Since 1975
ATEQ Group is a French manufacturer of leak and flow testing equipment, headquartered in Les Clayes-sous-Bois, Ile-de-France. Founded in 1975, it employs an estimated 1,000 to 5,000 people and reports an estimated revenue band of $100 to 250 million. The company is privately held and serves the automotive, electric vehicle, electronics, medical, industrial equipment, and aerospace industries. Among its reported customers is Toyota. In March 2026, the company announced that its ATEQ Sustainable Research Center received LEED Platinum certification.
Ateq Group at a glance
Revenue
$100-250M
Est. band
Employees
1,000-5,000
Founded
1975
Headquarters
Les Clayes-sous-Bois, Ile-de-France
Certifications
ISO 14001 · ISO 9001
Industries
Automotive
Electric Vehicles
Electronics
Medical
Industrial Equipment
Aerospace
STABILITY SIGNALS
Established & active
51 years in operation (founded 1975).
Holds ISO 14001, ISO 9001 certification(s) per public sources.
Overview
ATEQ Group is a French manufacturer of leak and flow testing equipment, headquartered in Les Clayes-sous-Bois, Ile-de-France. Founded in 1975, it employs an estimated 1,000 to 5,000 people and reports an estimated revenue band of $100 to 250 million. The company is privately held and serves the automotive, electric vehicle, electronics, medical, industrial equipment, and aerospace industries. Among its reported customers is Toyota. In March 2026, the company announced that its ATEQ Sustainable Research Center received LEED Platinum certification.
At a glance
Attribute | Detail |
|---|---|
Founded | 1975 |
Headquarters | Les Clayes-sous-Bois, Ile-de-France |
Employees | 1,000-5,000 |
Revenue | $100-250M (estimated) |
Primary capability | Batteries & E-Mobility |
Certifications | ISO 14001 · ISO 9001 |
What Ateq Group makes
ATEQ holds ISO 9001 and ISO 14001 certifications and organizes its testing products across divisions covering leak and flow testing, tire pressure monitoring system tools, aviation instruments, and battery and electric-mobility testers.
Products and capabilities described on the company's own site include Lighting (source: ateq.com).
Certifications
Ateq Group is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
Known customers
The counterparties below come from public sources that state the relationship directly. A shared counterparty does not by itself establish a current buying relationship unless the source says so:
Toyota — reported by atequsa.com
Latest developments
2026-09-29 — News ATEQ Archives - ATEQ Aviation (ateq-aviation.com)
2026-05-19 — ATEQ expande sus soluciones de pruebas de fuga con tecnología de helio - ATEQ MEXICO (ateq.com.mx)
2026-03-26 — ATEQ Aviation Expands Air Data Testing Portfolio with T-RX Avionics Acquisition (ateq-aviation.com)
2026-03-12 — ATEQ Sustainable Research Center achieves LEED Platinum Certification – ATEQ (ateq.com)
2026-02-12 — ATEQ Shanghai Sets a New Standard with Sun Ice Smart Building Technology – ATEQ (ateq.com)
Company details
Its published figures cite operations in more than 40 countries, 9 production sites, and over 5,000 customers. Ateq Group was founded in 1975, has an estimated 1,000-5,000 employees, and is headquartered in Les Clayes-sous-Bois, Ile-de-France. On the LightSource stability read it is rated "Established & active": 51 years in operation (founded 1975). Holds ISO 14001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Ateq Group make?
ATEQ Group is a French manufacturer of leak and flow testing equipment, headquartered in Les Clayes-sous-Bois, Ile-de-France. Founded in 1975, it employs an estimated 1,000 to 5,000 people and reports an estimated revenue band of $100 to 250 million. The company is privately held and serves the automotive, electric vehicle, electronics, medical, industrial equipment, and aerospace industries. Among its reported customers is Toyota. In March 2026, the company announced that its ATEQ Sustainable Research Center received LEED Platinum certification.
Where is Ateq Group headquartered?
Ateq Group is headquartered in Les Clayes-sous-Bois, Ile-de-France (15 Rue des Dames, Les Clayes-sous-Bois, Ile-de-France, 78340).
When was Ateq Group founded?
Ateq Group was founded in 1975.
How big is Ateq Group?
Ateq Group has an estimated 1,000-5,000 employees, with revenue in the $100-250M range (estimated).
What certifications does Ateq Group hold?
Ateq Group lists ISO 14001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Who are Ateq Group's customers?
Public sources directly reference Toyota as a counterparty of Ateq Group. Confirm current programs with the company, as reported relationships may change.
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Last verified Nov 2026. Is this your company? Request a correction.
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