ATTO-TEC GmbH develops and sells high-technology components for science, medicine, biology and ultraanalytics. The company is headquartered in Siegen and is registered in the commercial register of the Siegen local court under HR B 5196. Revenue for the 2024 financial year amounted to EUR 4,486,622.03 (prior year: EUR 4,698,017.00). On average 23 employees were employed during the year and the management team consists of Dr. Joerg Reichwein, Gianmarco Cicuzza and James O'Brien. The company is a small company under § 267 (1) HGB and is therefore not required to publish a profit-and-loss statement.
Entwicklung und der Vertrieb von Hochtechnologie- Komponenten für die Wissenschaft, Medizin, Biologie und Ultraanalytik.
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) Siegen Local Court, HRB 5196 (as of 1 November 2026)
| Name | Type | City |
|---|---|---|
| Timo Karafiat | Geschäftsführer(in) | Bensheim |
| David Neubeck | Geschäftsführer(in) | Stahnsdorf |
| James O'Brien | Geschäftsführer(in) | Uetikon am Seewird |
Source: German Commercial Register (Handelsregister) Siegen Local Court, HRB 5196 (as of 1 November 2026)
| Date | Event Type | Event |
|---|---|---|
| 04.02.2025 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 24.02.2021 | Business Address Change | Martinshardt 7, 57074 Siegen |
| 26.03.2010 | Business Address Registered | Am Eichenhang 50, 57076 Siegen |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 02.03.2005 | Capital Increase | +130.000 € | 260.000 € |
| 08.03.2004 | Capital Increase | +58.000 € | 130.000 € |
| 06.11.2003 | Share Capital Set | — | 72.000 € |
Source: German Commercial Register (Handelsregister) Siegen Local Court, HRB 5196 (as of 1 November 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2025 | ≤ €15M1 | €0 | €18,774,398 | 26 |
| 2024 | €4,486,622 | €722,097 | €18,732,404 | 23 |
| 2023 | €4,698,017 | €835,753 | €18,749,985 | 24 |
| 2022 | ≤ €12M1 | €2,283,713 | €18,394,319 | 20 |
| 2021 | ≤ €12M1 | €3,045,533 | €18,497,602 | 17 |
| 2020 | ≤ €12M1 | €2,374,459 | €16,173,650 | 15 |
| 2019 | ≤ €12M1 | €1,565,800 | €12,803,604 | 13 |
| 2018 | ≤ €12M1 | €2,083,698 | €11,391,829 | 14 |
| 2017 | ≤ €12M1 | — | €10,418,732 | 13 |
| 2016 | ≤ €12M1 | — | €9,075,608 | 12 |
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.
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Source: German Commercial Register (Handelsregister) Siegen Local Court, HRB 5196 (as of 1 November 2026)
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| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €2,146,316 | 72.7% |
| Material Costs | €226,443 | 7.7% |
| Depreciation | €574,875 | 19.5% |
| Interest & Similar | €5,268 | 0.2% |
