Top 10 prefectures by number of tax accounting offices
- 1Tokyo6,340
- 2Osaka3,390
- 3Aichi2,321
- 4Kanagawa1,736
- 5Saitama1,233
- 6Hyogo1,177
- 7Fukuoka1,099
- 8Shizuoka936
- 9Hokkaido839
- 10Chiba822
Source: 2021 Economic Census for Business Activity, category βCertified tax accountants' officesβ (as of June 1, 2021). Numbers in brackets below use the same source.
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Doing business with tax accounting offices in Japan
Tax accountancy in Japan is a regulated profession under the Certified Public Tax Accountant Act, so offices are careful about tools that touch client data. Expect questions about data storage location and Japanese-language support. A Japanese-speaking first call works far better than an English email.
Avoid mid-February to mid-March, when individual income tax returns are filed, and May, when many companies with March year-ends file corporate returns. June to November is usually the best window.