How many companies in the “Telephone system installation” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 70 companies in the “Telephone system installation” industry in Germany (October 2026). Most are located in Bavaria (13), North Rhine-Westphalia (13), Schleswig-Holstein (6).
Key figures
Companies by federal state
| State | Number | Share | per 100,000 inh. |
|---|---|---|---|
| Bavaria | 13 | 18% | 0.1 |
| North Rhine-Westphalia | 13 | 18% | 0.1 |
| Schleswig-Holstein | 6 | 8% | 0.2 |
| Baden-Württemberg | 6 | 8% | 0.1 |
| Hesse | 6 | 8% | 0.1 |
| Saxony | 5 | 7% | 0.1 |
| Lower Saxony | 4 | 6% | 0.0 |
| Berlin | 3 | 4% | 0.1 |
| Saxony-Anhalt | 2 | 3% | 0.1 |
| Saarland | 1 | 1% | 0.1 |
| Thuringia | 1 | 1% | 0.0 |
| Brandenburg | 0 | 0% | 0.0 |
| Hamburg | 0 | 0% | 0.0 |
| Rhineland-Palatinate | 0 | 0% | 0.0 |
| Germany | 71 | 100% | 0.1 |
Cities with the most companies in the “Telephone system installation” industry
Digitalization
25% of companies in the “Telephone system installation” industry have no website of their own.
Related industries
- Management and IT consulting147,562
- Electrical engineering and IT services161,579
- Electronics and computers – retail61,219
- Landscaping and gardening41,940
- Software development and IT consulting74,399
- Building and civil engineering69,028
- Software development74,982
- Computers and accessories – retail25,710
- Electrical installation47,519
- Web design24,025
- Metal construction22,799
- Web agency39,520
- Heating, air conditioning and ventilation – installation30,677
- Plumbing and sheet metal work29,102
- Painting and decorating business28,253
- Building construction69,071
Frequently asked questions
How many companies in the “Telephone system installation” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 70 companies in the “Telephone system installation” industry in Germany (October 2026). Most are located in Bavaria (13), North Rhine-Westphalia (13), Schleswig-Holstein (6).
Which German cities have the most companies in the “Telephone system installation” industry?
Berlin (3), Chemnitz (1), Erkelenz (1), Frankfurt a. Main (1), Hanover (1).
How many companies in the “Telephone system installation” industry in Germany have a website?
75% have their own website, 44% an email address.
How current is this number?
It is recalculated daily from the current database. Last update: October 10, 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 70 companies in the “Telephone system installation” industry in Germany (source: dieanalysten B2B database, October 2026, https://adressen.dieanalysten.com/en/statistics/telephone-system-installation).
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 10, 2026.