SUMA Rührtechnik GmbH, headquartered in Sulzberg, was founded in 1989 and develops, manufactures and sells agitators and pumps, primarily for biogas, agricultural and industrial applications (e.g. sugar industry, wastewater treatment, paper and galvanic sludges). The company is certified to ISO 9001:2015, holds ATEX certification for Group II category and received a QPS certificate in 2024, whereby the listed models meet the applicable UL and CSA standards for North America. Since 2021 the product range has been expanded to include slurry pumps, and in 2024 subsidiaries were established in Poland and India; products are supplied to more than 64 countries. SUMA emphasizes a high manufacturing depth, extensive technical know-how and its own R&D/engineering department (eight employees and two apprentices) to minimize supplier dependencies and to develop customer-specific solutions.
Die Entwicklung, die Herstellung und der Vertrieb von Maschinen und Geräten, insbesondere von Rührwerken und Pumpen.
Converted using the official Destatis and Eurostat correspondence tables; ISIC Rev. 4 is the United Nations' international industry classification.
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Source: German Commercial Register (Handelsregister) Kempten (Allgäu) Local Court, HRB 3815 (as of 27 October 2026)
| Name | Type | City |
|---|---|---|
| Peter Lottner | Geschäftsführer(in) | Kempten (Allgäu) |
| Paul Thürwächter | Geschäftsführer(in) | Kempten (Allgäu) |
| Lena Undeutsch | Geschäftsführer(in) | Kempten (Allgäu) |
Source: German Commercial Register (Handelsregister) Kempten (Allgäu) Local Court, HRB 3815 (as of 27 October 2026)
| Date | Event Type | Event |
|---|---|---|
| 16.06.2025 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 04.04.2023 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 30.04.2010 | Business Address Registered | Martinszeller Str. 21, 87477 Sulzberg |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 16.06.2025 | Capital Increase | +1.000 € | 101.000 € |
| 04.04.2023 | Capital Increase | +15.000 € | 100.000 € |
| 16.08.2005 | Capital Decrease | -81.000 € | 85.000 € |
Source: German Commercial Register (Handelsregister) Kempten (Allgäu) Local Court, HRB 3815 (as of 27 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2025 | Rohergebnis€23M2 | €1,465,612 | €19,250,076 | — |
| 2024 | Rohergebnis€24.8M2 | €3,960,032 | €19,423,654 | — |
| 2023 | Rohergebnis€19M2 | €512,839 | €14,686,052 | — |
| 2022 | Rohergebnis€16.6M2 | €1,183,841 | €12,604,865 | — |
| 2021 | Rohergebnis€15.1M2 | €1,460,411 | €12,411,240 | — |
| 2020 | Rohergebnis€13.4M2 | €1,526,501 | €10,447,984 | — |
| 2019 | Rohergebnis€11.5M2 | €663,164 | €8,882,158 | — |
| 2018 | Rohergebnis€11.4M2 | €1,404,751 | €8,604,158 | — |
| 2017 | Rohergebnis€10.1M2 | €1,401,392 | €7,868,146 | — |
| 2016 | Rohergebnis€8.6M2 | €899,200 | €6,720,664 | — |
1 Small companies are not required to publish a profit-and-loss statement (§ 326 (1) HGB). The figure shown is the statutory ceiling under § 267 HGB where the balance-sheet total makes it binding — a company may exceed at most one of the three size criteria.
2 Rohergebnis nach § 276 HGB: Umsatzerlöse abzüglich Materialaufwand bzw. Herstellungskosten. Kleine und mittelgroße Kapitalgesellschaften dürfen diese Posten zusammenfassen; die Umsatzerlöse selbst sind dann nicht veröffentlicht und liegen über dem Rohergebnis.
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Source: German Commercial Register (Handelsregister) Kempten (Allgäu) Local Court, HRB 3815 (as of 27 October 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €12,731,805 | 93.0% |
| Depreciation | €892,754 | 6.5% |
| Interest & Similar | €71,038 | 0.5% |
