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How KVK and BTW Numbers Are Generated
KVK Number (Kamer van Koophandel)
The KVK number is an 8-digit company registration number used in the Netherlands. It is validated using a weighted checksum. All generated KVK numbers pass this validation.
BTW Number (Belasting Toegevoegde Waarde)
The Dutch VAT number (BTW-identificatienummer) has the format NLxxxxxxxxx Bxx, where xxxxxxxxx is a 9-digit number (often the BSN) and Bxx is a 2-digit suffix. Generated BTW numbers follow this exact format.
Frequently Asked Questions
Yes. Generated KVK numbers pass the standard weighted checksum validation used in Dutch business systems.
No. The numbers are structurally valid but are not registered with any real company. They are for testing only.
The Dutch BTW format is: NL + 9 digits + B + 2 digits. Example: NL123456789B01. This matches the format used by the Dutch Tax Authority (Belastingdienst).
Yes. These numbers are suitable for testing invoice generation, VAT calculation software, and accounting system integrations.
Yes. Export to CSV or JSON. Both fields are included as separate columns.
Related Tools
All generated data is entirely fictional and not suitable for use as real personal information.