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Sell online · Course 2 · Lesson 1 of 6

How long must an online seller keep business records in Hong Kong?

  • 1 min read
  • Checked 9 November 2026
In this course · 1 of 6
Otty, the OCTIS octopus

The short answer

Hong Kong online sellers must keep business records for at least seven years after the transaction is completed. This covers sales, purchases, platform statements and bank records. The seven-year rule applies for tax purposes under the Inland Revenue Ordinance and, for companies, under the Companies Ordinance.

Anyone carrying on a business in Hong Kong must keep sufficient records to show income and expenses so that assessable profits can be ascertained. The Inland Revenue Ordinance requires those records to be kept for at least seven years after the completion of the transactions they relate to. A company must also keep accounting records for seven years under the Companies Ordinance.

For an online seller, useful records include:

  • platform sales reports and payout statements (Shopify, Amazon, HKTVmall and similar);
  • payment gateway statements and bank statements;
  • supplier invoices, shipping and courier invoices;
  • advertising invoices and subscription bills;
  • stock records and stock-take sheets; and
  • refund and chargeback records.

Platforms can close accounts or limit how far back you can download reports, so export statements regularly. Records can be kept electronically if they can be produced when asked. The IRD can ask for records when it reviews a return, and the normal time limit for raising an assessment is six years after the year of assessment.

Legal basis and sources

The law

  • Inland Revenue Ordinance (Cap. 112), s.51C
  • Companies Ordinance (Cap. 622), s.373

General information for business owners, not legal, tax or professional advice. Rules change, so check the sources or ask a licensed professional before you act.

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    How long must an online seller keep business records in Hong Kong? | OCTIS