How many companies in the “Wastewater treatment” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 1,200 companies in the “Wastewater treatment” industry in Germany (October 2026). The total number of companies in the “Wastewater treatment” industry in Germany is therefore at least 1,200. Most are located in North Rhine-Westphalia (244), Bavaria (182), Baden-Württemberg (127).
Key figures
Companies by federal state
| State | Number | Share | per 100,000 inh. |
|---|---|---|---|
| North Rhine-Westphalia | 244 | 20% | 1.3 |
| Bavaria | 182 | 15% | 1.4 |
| Baden-Württemberg | 127 | 10% | 1.1 |
| Lower Saxony | 98 | 8% | 1.2 |
| Hesse | 96 | 8% | 1.5 |
| Saxony | 82 | 7% | 2.0 |
| Rhineland-Palatinate | 63 | 5% | 1.5 |
| Schleswig-Holstein | 60 | 5% | 2.0 |
| Saxony-Anhalt | 57 | 5% | 2.6 |
| Thuringia | 52 | 4% | 2.4 |
| Brandenburg | 52 | 4% | 2.0 |
| Berlin | 34 | 3% | 0.9 |
| Mecklenburg-Western Pomerania | 30 | 2% | 1.8 |
| Saarland | 19 | 2% | 1.9 |
| Hamburg | 13 | 1% | 0.7 |
| Bremen | 10 | 1% | 1.4 |
| Germany | 1,226 | 100% | 1.5 |
Cities with the most companies in the “Wastewater treatment” industry
Digitalization
42% of companies in the “Wastewater treatment” industry have no website of their own.
Related industries
- Fuels – retail11,219
- Electricity supply11,948
- Recycling9,132
- Solar technology and photovoltaics8,286
- Energy consulting4,544
- Fuels – wholesale3,051
- Waste disposal9,203
- Waste collection and container service5,241
- Mineral oil – wholesale2,370
- Energy and environmental consulting2,147
- Container service2,183
- Solar systems – installation1,843
- Energy and environmental technology – planning1,780
- Scrap and secondary raw materials – wholesale1,607
- Wind farm2,517
- Environmental services provider2,272
Frequently asked questions
How many companies in the “Wastewater treatment” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 1,200 companies in the “Wastewater treatment” industry in Germany (October 2026). The total number of companies in the “Wastewater treatment” industry in Germany is therefore at least 1,200. Most are located in North Rhine-Westphalia (244), Bavaria (182), Baden-Württemberg (127).
Which German cities have the most companies in the “Wastewater treatment” industry?
Berlin (34), Cologne (17), Hamburg (15), Munich (15), Dresden (11).
How many companies in the “Wastewater treatment” industry in Germany have a website?
58% have their own website, 54% an email address.
How current is this number?
It is recalculated daily from the current database. Last update: October 18, 2026. Businesses in liquidation or with a recognizable closure are not counted.
Cite this number
The B2B database of dieanalysten GmbH alone lists more than 1,200 companies in the “Wastewater treatment” industry in Germany (source: dieanalysten B2B database, October 2026, https://www.dieanalysten.com/en/statistics/wastewater-treatment).
The statistics are licensed under CC BY 4.0: free to use, including commercially, with attribution “dieanalysten” and a link.
Method: businesses in the database of dieanalysten GmbH minus a 5% safety margin; businesses in liquidation or with a recognizable closure are excluded. See methodology. As of October 18, 2026.