The # 3 Gatter 3 Technik GmbH is a medium-sized, Germany-wide company headquartered in Holzwickede that acts as a full-service provider of technical services in supply and infrastructure sectors. Its business is explicitly divided into market-area conversion, fiber expansion (FTTx), electromobility, photovoltaic and energy solutions, meter services, and overhead-line construction; additionally it runs cooperation projects for hybrid heating solutions with Progas. Customers include public authorities, grid and metering point operators, energy suppliers, industry, trade and housing companies, with market-area conversion being the company’s most revenue-generating field. Since 2016 the company uses the IT system LH one to digitally manage market-area projects and operates its own PV systems that cover 70% of the site’s electricity demand.
die Planung, Überwachung und Ausführung energietechnischer Anlagen, die ressourcenschonende Planung, Erstellung und Optimierung energieerzeugender und -verbrauchender Geräte und Anlagen, technische Dienstleistungen für die Energiewirtschaft.
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) Dortmund Local Court, HRB 27157 (as of 1 November 2026)
| Name | Type | City |
|---|---|---|
| Metin Duman | Geschäftsführer(in) | Dortmund |
| Tim Holtmann | Geschäftsführer(in) | Kamen |
| Ralf Jorzik | Geschäftsführer(in) | Datteln |
| Nina Kittelmann | Geschäftsführer(in) | Dortmund |
Source: German Commercial Register (Handelsregister) Dortmund Local Court, HRB 27157 (as of 1 November 2026)
| Date | Event Type | Event |
|---|---|---|
| 07.08.2023 | Registered Seat Change | # 3 Gatter 3 Technik GmbH Düsseldorf, |
| 07.08.2023 | Registered Seat Change | # 3 Gatter 3 Technik GmbH Ostfriesland, |
| 01.06.2021 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 01.06.2021 | Capital Increase | +1.000 € | 26.000 € |
| 03.02.2015 | Share Capital Set | — | 25.000 € |
| Date | Contract | Value |
|---|---|---|
| 23.2.2026 | Supplier · EWR Netz-GmbH | — |
Source: German Commercial Register (Handelsregister) Dortmund Local Court, HRB 27157 (as of 1 November 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | €49,015,667 | €2,435,806 | €52,239,055 | — |
| 2023 | €56,300,437 | €1,884,658 | €35,140,956 | — |
| 2022 | €48,913,494 | €4,457,948 | €26,899,897 | — |
| 2021 | Rohergebnis€31.1M2 | €6,428,737 | €17,699,788 | — |
| 2020 | Rohergebnis€26.5M2 | €5,772,971 | €17,340,191 | — |
| 2019 | Rohergebnis€19M2 | €3,195,852 | €8,811,179 | — |
| 2018 | Rohergebnis€13.9M2 | €1,266,224 | €5,141,007 | — |
| 2017 | Rohergebnis€7.3M2 | €552,217 | €4,154,560 | — |
| 2016 | — | €433,472 | €1,885,106 | — |
| 2015 | — | -€427 | €67,988 | — |
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) Dortmund Local Court, HRB 27157 (as of 1 November 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €17,525,354 | 43.8% |
| Material Costs | €20,949,939 | 52.4% |
| Depreciation | €1,179,721 | 2.9% |
| Interest & Similar | €348,300 | 0.9% |
