Business Statistics
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Business statistics · October 10, 2026

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

more than 200

The B2B database of dieanalysten GmbH alone lists more than 200 companies in the “Detective agency” industry in North Rhine-Westphalia, Germany (October 2026). North Rhine-Westphalia ranks #1 of 16 German states with 1.3 per 100,000 inhabitants (national average: 1.2).

Key figures North Rhine-Westphalia

239businesses in the database
#1 of 16rank among German states
1.3per 100,000 inhabitants (Germany: 1.2)

Cities in North Rhine-Westphalia

Düsseldorf18
Cologne14
Essen13
Dortmund12
Wuppertal10
Duisburg5
Hagen5
Solingen5
Bielefeld4
Bochum4

→ Detective agency in all of Germany

Frequently asked questions

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

The B2B database of dieanalysten GmbH alone lists more than 200 companies in the “Detective agency” industry in North Rhine-Westphalia, Germany (October 2026). North Rhine-Westphalia ranks #1 of 16 German states with 1.3 per 100,000 inhabitants (national average: 1.2).

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

Most are located in Düsseldorf (18), Cologne (14), Essen (13).

Cite this number

Suggested citation
The B2B database of dieanalysten GmbH alone lists more than 200 companies in the “Detective agency” industry in North Rhine-Westphalia (source: dieanalysten B2B database, October 2026, https://adressen.dieanalysten.com/en/statistics/detective-agency/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 10, 2026.