Hong Kong Business Registration Number check digit generator

Enter the first 7 digits of the Business Registration number (without the last digit) and we will tell you the last (8th) digit, also known as a checkdigit.

Enter the first 7 digits.

Note: we do not store the number submitted. To try the same trick with your HKID number, click here.

Webb-site.com was originally created by David M Webb MBE

We are committed to maintaining high quality and expanding the database with additional data and insight.