Hong Kong Tax ID Numbers

Identity Number (IN)

For Individuals

The Identity Number is 8 or 9 digits.

Business Registration Number (BRN)

For Entities

The Business Registration Number is 8 digits.

Format Guide: N = Number; A = Letter; X = Number or Letter
Learn how to integrate Tax ID Pro into your software or web app

Check Tax IDs for Over 100 Countries

See all supported countries or search for a country here: