Business Statistics
B2B data shop
Business statistics · October 18, 2026

How many companies in the “Windows – sales and installation” industry are there in Germany?

more than 1,000

The B2B database of dieanalysten GmbH alone lists more than 1,000 companies in the “Windows – sales and installation” industry in Germany (October 2026). The total number of companies in the “Windows – sales and installation” industry in Germany is therefore at least 1,000. Most are located in North Rhine-Westphalia (198), Bavaria (194), Baden-Württemberg (117).

Key figures

1,072businesses in the database
1.3per 100,000 inhabitants
51%with own website

Companies by federal state

StateNumberShareper 100,000 inh.
North Rhine-Westphalia19818%1.1
Bavaria19418%1.5
Baden-Württemberg11711%1.0
Lower Saxony949%1.2
Saxony767%1.9
Rhineland-Palatinate676%1.6
Hesse575%0.9
Thuringia545%2.5
Brandenburg545%2.1
Schleswig-Holstein454%1.5
Saxony-Anhalt384%1.7
Mecklenburg-Western Pomerania273%1.7
Berlin252%0.6
Saarland101%1.0
Hamburg81%0.4
Bremen20%0.3
Germany1,072100%1.3

Cities with the most companies in the “Windows – sales and installation” industry

Berlin23
Dresden7
Hamburg7
Nuremberg6
Bonn5
Mönchengladbach5
Delmenhorst4
Görlitz4
Montabaur4
Munich4
Stuttgart4
Zwickau4
Amberg3
Bielefeld3
Brunswick3

Digitalization

49% of companies in the “Windows – sales and installation” industry have no website of their own.

Related industries

Frequently asked questions

How many companies in the “Windows – sales and installation” industry are there in Germany?

The B2B database of dieanalysten GmbH alone lists more than 1,000 companies in the “Windows – sales and installation” industry in Germany (October 2026). The total number of companies in the “Windows – sales and installation” industry in Germany is therefore at least 1,000. Most are located in North Rhine-Westphalia (198), Bavaria (194), Baden-Württemberg (117).

Which German cities have the most companies in the “Windows – sales and installation” industry?

Berlin (23), Dresden (7), Hamburg (7), Nuremberg (6), Bonn (5).

How many companies in the “Windows – sales and installation” industry in Germany have a website?

51% have their own website, 47% 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

Suggested citation
The B2B database of dieanalysten GmbH alone lists more than 1,000 companies in the “Windows – sales and installation” industry in Germany (source: dieanalysten B2B database, October 2026, https://www.dieanalysten.com/en/statistics/windows-sales-and-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 18, 2026.