Business Statistics
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Business statistics · October 18, 2026

How many companies in the “Auditing” industry are there in North Rhine-Westphalia?

more than 3,400

The B2B database of dieanalysten GmbH alone lists more than 3,400 companies in the “Auditing” industry in North Rhine-Westphalia, Germany (October 2026). The number of companies in the “Auditing” industry in North Rhine-Westphalia is therefore at least 3,400. North Rhine-Westphalia ranks #1 of 16 German states with 18.7 per 100,000 inhabitants (national average: 18.3).

Key figures North Rhine-Westphalia

3,401businesses in the database
#1 of 16rank among German states
18.7per 100,000 inhabitants (Germany: 18.3)

Cities in North Rhine-Westphalia

Düsseldorf400
Cologne383
Essen152
Dortmund113
Bonn107
Münster106
Bielefeld86
Wuppertal76
Duisburg57
Aachen54

→ Auditing in all of Germany

Frequently asked questions

How many companies in the “Auditing” industry are there in North Rhine-Westphalia?

The B2B database of dieanalysten GmbH alone lists more than 3,400 companies in the “Auditing” industry in North Rhine-Westphalia, Germany (October 2026). The number of companies in the “Auditing” industry in North Rhine-Westphalia is therefore at least 3,400. North Rhine-Westphalia ranks #1 of 16 German states with 18.7 per 100,000 inhabitants (national average: 18.3).

Where in North Rhine-Westphalia are most companies in the “Auditing” industry?

Most are located in Düsseldorf (400), Cologne (383), Essen (152).

Cite this number

Suggested citation
The B2B database of dieanalysten GmbH alone lists more than 3,400 companies in the “Auditing” industry in North Rhine-Westphalia (source: dieanalysten B2B database, October 2026, https://www.dieanalysten.com/en/statistics/auditing/north-rhine-westphalia).

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.