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  • Any persons/companies (including Hong Kong residents, Hong Kong registered companies, Mainland residents and Mainland registered companies)
  • Business Registration Number of a registered business can be enquired instantly through eTAX at GovHK

Please click on the button under “Quick Links” to enquire.

  • Free of charge
  • Please click here for details of the Business Registration Number Enquiry service on the Inland Revenue Department’s website
  • Methods of enquiry
Quick Links: