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Japan × Technology, Data & Cyber

Technology, Data & Cyber in Japan

Data, cyber and technology rules for running a digital business internationally. In Japan, that means local law, local regulators and local practice, handled by a qualified professional who practises there.

Who handles this work

On request

WONE Global can find the right Technology, Data & Cyber professional in Japan for you.

No WONE Global Partner holds this yet. Send us your requirement: WONE Global confirms whether a vetted Associate firm can act, tells you who it is and checks for conflicts before any work begins.

Bring a requirement →
Japan at a glanceEast Asia

Tokyo · Wednesday 4 November

05:00

Local time

Currency
JPY
Working week
Monday – Friday
Dialling code
+81
Region
East Asia
Doing business in Japan →

What the rules say in Japan

Technology, Data & Cyber, the essentials

From the Japan market guide: the points that matter most for technology, data & cyber, each with the source it was checked against.

Essentials guide · Source-checked research100% of statements checked against a source9 checked against an official source30 checked against a secondary sourceChecked 2026-10-19Not yet professionally reviewed

  • Under the Qualified Invoice System, effective from 1 October 2023, buyers generally need invoices showing the seller's qualified issuer number to claim input consumption tax credits.

    Consumption tax.PwC Worldwide Tax Summaries · checked 2026-10-19
  • Since 1 January 2024, documents exchanged in electronic transactions must be stored electronically.

    Documents exchanged in electronic transactions.PwC Worldwide Tax Summaries · checked 2026-10-19
  • Platform taxation for digital services, under which certain platform operators account for consumption tax on cross-border digital services, has applied since 1 April 2025.

    Introduced by the 2024 Tax Reform Act; the 2026 Act extends platform taxation to certain physical goods marketplaces.PwC Worldwide Tax Summaries · checked 2026-10-19

Read the full guide: Data protection, cyber and digital

Scope

What the service covers here

  1. 01Map technology and data flows
  2. 02Identify privacy, cybersecurity and localisation requirements
  3. 03Review technology contracts and vendor dependencies
  4. 04Coordinate practical compliance across relevant markets

Key questions

What we will work through with you

  • What needs to be decided before technology, data & cyber work starts?
  • Who is professionally responsible in each country?
  • Which other work, such as tax or employment, must happen at the same time?
  • What information and decisions are needed from the business?

If your work involves another country or another area of expertise, WONE Global brings in the right professional and keeps all advisers informed.

WONE Global Intelligence

Ask about technology, data & cyber in Japan

Ask in your own words. Answers come from WONE Global's checked records, with every source shown, and end with the named Partner who can act. Go deeper on any point, or build a decision file.

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Discuss Technology, Data & Cyber in Japan.