BDO Sanyu & Co.
HQ: Japan · 1 framework · 1 office · Verified
Last checked · 2 sources · How we verify
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Tokyo-based audit firm (BDO member firm in Japan) registered as an ISMAP audit institution for Japanese government cloud security assessments.
This listing is a set of checked facts. It is not an endorsement, ranking or score, and it is not legal or audit advice.
Offices
- Tokyo, Tokyo, Japan (HQ country)
Frameworks
A framework appears only when an official registry listed this firm at last check. Tags are not a certification of your organisation.
Accreditations and registry listings
| Registry | Record | Checked |
|---|---|---|
| ISMAP (Information system Security Management and Assessment Program, Japan) - audit institution list | Registered ISMAP audit institution 三優監査法人, registration no. A21-0005, registered 2021-12-20, registration valid until 2027-12-19; registry remarks: registration validity renewed 2024-02-19 and 2026-04-24 |
FAQ (from this dataset)
Is BDO Sanyu & Co. accredited for ISMAP?
Registered ISMAP audit institution 三優監査法人, registration no. A21-0005, registered 2021-12-20, registration valid until 2027-12-19; registry remarks: registration validity renewed 2024-02-19 and 2026-04-24 (ISMAP (Information system Security Management and Assessment Program, Japan) - audit institution list: https://www.ismap.go.jp/csm?id=audit_institution_list). Confirm on the registry.
Where is BDO Sanyu & Co. located?
BDO Sanyu & Co. publishes headquarters in Japan and lists an office in Tokyo, Japan.
Sources
Last checked 27 Oct 2026. Spotted an error? Submit a correction or email [email protected].
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