Verified Nov 2026
Batteries & E-Mobility
·
Haiger, Hesse
·
Since 1919
Cloos Group is a German manufacturer of welding and robot technology, including manual welding machines, cobots, ready-to-weld systems, and fully automated lines. Founded in 1919 and headquartered in Haiger, Hesse, Germany, it employs roughly 1,000 to 5,000 people and reports estimated revenue of $250 to $500 million. The company serves automotive, electronics, construction, and industrial equipment sectors, and in September 2025 REHM became part of the ESTUN and CLOOS group.
Cloos Group at a glance
Revenue
$250-500M
Est. band
Employees
1,000-5,000
Founded
1919
Headquarters
Haiger, Hesse
Certifications
ISO 14001 · ISO 9001
Industries
Automotive
Electronics
Construction
Industrial Equipment
STABILITY SIGNALS
Established & active
107 years in operation (founded 1919).
Holds ISO 14001, ISO 9001 certification(s) per public sources.
Overview
Cloos Group is a German manufacturer of welding and robot technology, including manual welding machines, cobots, ready-to-weld systems, and fully automated lines. Founded in 1919 and headquartered in Haiger, Hesse, Germany, it employs roughly 1,000 to 5,000 people and reports estimated revenue of $250 to $500 million. The company serves automotive, electronics, construction, and industrial equipment sectors, and in September 2025 REHM became part of the ESTUN and CLOOS group.
At a glance
Attribute | Detail |
|---|---|
Founded | 1919 |
Headquarters | Haiger, Hesse |
Employees | 1,000-5,000 |
Revenue | $250-500M (estimated) |
Primary capability | Batteries & E-Mobility |
Certifications | ISO 14001 · ISO 9001 |
What Cloos Group makes
The company's products include the QINEO series for manual and automated arc welding, the QIROX system for automated welding and cutting, and robotic welding cells, with all operations certified to ISO 9001 and ISO 14001.
Products and capabilities described on the company's own site include Assembly, Steel, Welding, Machining, Sheet Metal (source: cloos-group.com).
Certifications
Cloos Group is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 14001 — cloos-group.com
ISO 9001 — cloos-group.com
Latest developments
2026-09-06 — CLOOS Welding Technology BV – Better Service, Greater Focus • Cloos Group (cloos-group.com)
2026-06-02 — CLOOS Group marks leadership transition • Cloos Group (cloos-group.com)
2026-05-05 — Securing the future of the Haiger site • Cloos Group (cloos-group.com)
2026-02-23 — CLOOS Partners with OnPoint for Welding Automation | CLOOSNA (cloosamericas.com)
2025-09-19 — REHM becomes part of the ESTUN and CLOOS family • Cloos Group (cloos-group.com)
2025-05-27 — New location opened in Istanbul • Cloos Group (cloos-group.com)
Company details
Cloos Group is privately held, reports an estimated revenue band of $250 to $500 million, and in February 2026 announced a welding automation partnership with OnPoint for its North American operations. Cloos Group was founded in 1919, has an estimated 1,000-5,000 employees, and is headquartered in Haiger, Hesse. On the LightSource stability read it is rated "Established & active": 107 years in operation (founded 1919). Holds ISO 14001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Cloos Group make?
Cloos Group is a German manufacturer of welding and robot technology, including manual welding machines, cobots, ready-to-weld systems, and fully automated lines. Founded in 1919 and headquartered in Haiger, Hesse, Germany, it employs roughly 1,000 to 5,000 people and reports estimated revenue of $250 to $500 million. The company serves automotive, electronics, construction, and industrial equipment sectors, and in September 2025 REHM became part of the ESTUN and CLOOS group.
Where is Cloos Group headquartered?
Cloos Group is headquartered in Haiger, Hesse (1 Carl-Cloos-Strasse, Haiger, Hesse, 35708).
When was Cloos Group founded?
Cloos Group was founded in 1919.
How big is Cloos Group?
Cloos Group has an estimated 1,000-5,000 employees, with revenue in the $250-500M range (estimated).
What certifications does Cloos Group hold?
Cloos Group 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.
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