Verified Nov 2026
Batteries & E-Mobility
·
Straubing, Bavaria
·
Since 1993
Sonplas GmbH is a German manufacturer of custom assembly and testing systems, founded in 1993 and headquartered in Straubing, Bavaria. It employs roughly 200 to 500 people, with an estimated revenue band of $10 to 50 million, and is privately held. The company serves automotive, electric-vehicle, electronics, medical, military-defense, and plumbing-hardware industries. In March 2026, it took over a sub-area of the insolvent Sturm company at its Salching site, a development reported by the regional newspaper PNP.
Sonplas GmbH at a glance
Revenue
$10-50M
Est. band
Employees
200-500
Founded
1993
Headquarters
Straubing, Bavaria
Certifications
ISO 50001
Industries
Automotive
Electric Vehicles
Electronics
Medical
Military & Defense
Plumbing & Hardware
STABILITY SIGNALS
Established & active
33 years in operation (founded 1993).
Holds ISO 50001 certification(s) per public sources.
Overview
Sonplas GmbH is a German manufacturer of custom assembly and testing systems, founded in 1993 and headquartered in Straubing, Bavaria. It employs roughly 200 to 500 people, with an estimated revenue band of $10 to 50 million, and is privately held. The company serves automotive, electric-vehicle, electronics, medical, military-defense, and plumbing-hardware industries. In March 2026, it took over a sub-area of the insolvent Sturm company at its Salching site, a development reported by the regional newspaper PNP.
At a glance
Attribute | Detail |
|---|---|
Founded | 1993 |
Headquarters | Straubing, Bavaria |
Employees | 200-500 |
Revenue | $10-50M (estimated) |
Primary capability | Batteries & E-Mobility |
Certifications | ISO 50001 |
What Sonplas GmbH makes
The company's primary capability is batteries and e-mobility, and it holds ISO 50001 certification for energy management.
Certifications
Sonplas GmbH is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 50001 — sonplas.de
Latest developments
2026-09-18 — Testen unter Realbedingungen - Sonplas GmbH (sonplas.de)
2026-04-02 — Sonplas sichert Perspektive für Sturm-Standort in Salching- Sonplas GmbH (sonplas.de)
2026-03-31 — Sturm-Insolvenz: Straubinger Sondermaschinenbauer Sonplas übernimmt Teilbereich (pnp.de)
2026-01-26 — Proud to share this next step for Sonplas in Japan 🤝 | Christian Wachtmeister (linkedin.com)
2025-11-20 — Eine starke Kooperation „made in Straubing“ - Sonplas GmbH (sonplas.de)
2025-09-17 — News - Sonplas GmbH (sonplas.com)
Company details
Sonplas is privately held, with an estimated revenue band of $10 to 50 million, and it lists electric vehicles and military-defense among its served industries. Sonplas GmbH was founded in 1993, has an estimated 200-500 employees, and is headquartered in Straubing, Bavaria. On the LightSource stability read it is rated "Established & active": 33 years in operation (founded 1993). Holds ISO 50001 certification(s) per public sources.
Frequently asked questions
What does Sonplas GmbH make?
Sonplas GmbH is a German manufacturer of custom assembly and testing systems, founded in 1993 and headquartered in Straubing, Bavaria. It employs roughly 200 to 500 people, with an estimated revenue band of $10 to 50 million, and is privately held. The company serves automotive, electric-vehicle, electronics, medical, military-defense, and plumbing-hardware industries. In March 2026, it took over a sub-area of the insolvent Sturm company at its Salching site, a development reported by the regional newspaper PNP.
Where is Sonplas GmbH headquartered?
Sonplas GmbH is headquartered in Straubing, Bavaria (57 Sachsenring, Straubing, Bavaria, 94315).
When was Sonplas GmbH founded?
Sonplas GmbH was founded in 1993.
How big is Sonplas GmbH?
Sonplas GmbH has an estimated 200-500 employees, with revenue in the $10-50M range (estimated).
What certifications does Sonplas GmbH hold?
Sonplas GmbH lists ISO 50001 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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