Union Tool Co., Ltd.
Union Tool Co., Ltd. is a Private limited company (Ltd.) registered in Japan under 5010701010077, and its current status with National Tax Agency — Corporate Number Publication Site is active. The company was incorporated on 5 October 2015 and lists its registered address as Shinagawa Ward, Japan. 5 shareholders are on record for Union Tool Co., Ltd., and since every one of them is a company rather than an individual, this particular filing does not on its own establish an ultimate beneficial owner (UBO) — identifying one would mean tracing the ownership of each shareholding company in turn. This profile is sourced directly from National Tax Agency — Corporate Number Publication Site and was last updated on 1 October 2026.
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Shareholders
5
Five shareholders are currently on record for Union Tool Co., Ltd., reflecting the kabunushi meibo (shareholder register) maintained under Articles 121-122 of the Companies Act rather than a public filing.
The largest of these is Vanguard International Stock Index-Total Intl Stock Indx, holding 29.1% — the largest recorded stake — followed by Vanguard Tax Managed Fund-Vanguard Developed Markets Index Fund at 20.9%; the remaining 3 shareholders shown hold smaller stakes.
The register reports 10 shareholders in total, though only the top 5 by holding are shown in this view.
Because every shareholder shown is a company rather than an individual, the ownership chain continues above this level, and no beneficial owner can be established from this filing alone.
| Shareholder | Type | Holding | Source Document |
|---|---|---|---|
| Vanguard International Stock Index-Total Intl Stock Indx | 29.1% | National Tax Agency — Corporate Number Publication Site | |
| Vanguard Tax Managed Fund-Vanguard Developed Markets Index Fund | 20.9% | National Tax Agency — Corporate Number Publication Site | |
| DFA Japanese Small Company Series | 13.1% | National Tax Agency — Corporate Number Publication Site | |
| Vanguard Intl Equity Index Fds-FTSE All World ex U.S.Small Cap Index | 9.7% | National Tax Agency — Corporate Number Publication Site | |
| iShares MSCI EAFE Small Cap ETF | 8.6% | National Tax Agency — Corporate Number Publication Site |
Officers
5
The Chairman & Ceo of Union Tool Co., Ltd. currently on record is TAKAO KATAYAMA; five officers are currently on record for Union Tool Co., Ltd., filed with National Tax Agency — Corporate Number Publication Site.
The register reports 10 officers in total, including past appointments, though only the 5 most relevant records are shown here.
Management authority at Union Tool Co., Ltd. sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
The source filing doesn't specify representation authority — whether officers can act individually or must sign jointly to bind the company — so that detail isn't available here.
Group Structure
Union Tool Co., Ltd. has no recorded parent company — it sits at the top of its own group structure, with 8 subsidiaries recorded beneath it across 7 jurisdictions. Each of these downward relationships is derived rather than filed: resolved by matching entities across the registry network, not stated directly in a single document.
Those 8 subsidiaries span Japan, Hong Kong, Switzerland, China, Singapore, Taiwan, and 1 more jurisdictions, though this list should not be read as complete — subsidiaries only become visible here where shareholder data has actually been filed with a register, so holdings in jurisdictions without that filing simply won't appear.
Union Tool Co., Ltd.
Japan
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Frequently Asked Questions
Who owns Union Tool Co., Ltd.?
Five shareholders are currently on record for Union Tool Co., Ltd., reflecting the kabunushi meibo (shareholder register) maintained under Articles 121-122 of the Companies Act rather than a public filing. The largest of these is Vanguard International Stock Index-Total Intl Stock Indx, holding 29.1% — the largest recorded stake — followed by Vanguard Tax Managed Fund-Vanguard Developed Markets Index Fund at 20.9%; the remaining 3 shareholders shown hold smaller stakes. Because every shareholder shown is a company rather than an individual, the ownership chain continues above this level, and no beneficial owner can be established from this filing alone.
Who is Union Tool Co., Ltd.'s UBO (Ultimate Beneficial Owner)?
Every shareholder recorded for Union Tool Co., Ltd. is itself a company rather than a natural person, so no Ultimate Beneficial Owner (UBO) is identified at this level; establishing one would require tracing the ownership of each shareholding company in turn.
How many shareholders does Union Tool Co., Ltd. have on record?
5 shareholders are shown on record for Union Tool Co., Ltd.. The register reports 10 in total; only the top 5 by holding are shown here.
What is Union Tool Co., Ltd.'s company registration number?
Union Tool Co., Ltd.'s registration number is 5010701010077, filed with National Tax Agency — Corporate Number Publication Site in Japan. Its current status on the register is active.
Is Union Tool Co., Ltd. still an active company?
Union Tool Co., Ltd.'s status on National Tax Agency — Corporate Number Publication Site is listed as active.
When was Union Tool Co., Ltd. incorporated?
Union Tool Co., Ltd. was incorporated on 5 October 2015, according to National Tax Agency — Corporate Number Publication Site.
What is Union Tool Co., Ltd.'s registered address?
The registered address on file for Union Tool Co., Ltd. is Shinagawa Ward, Japan.
What legal structure is Union Tool Co., Ltd. registered as?
Union Tool Co., Ltd. is registered as a Private limited company (Ltd.) in Japan.
Who are the officers/directors of Union Tool Co., Ltd.?
The Chairman & Ceo of Union Tool Co., Ltd. currently on record is TAKAO KATAYAMA; five officers are currently on record for Union Tool Co., Ltd., filed with National Tax Agency — Corporate Number Publication Site. Management authority at Union Tool Co., Ltd. sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Does Union Tool Co., Ltd. have a parent company or subsidiaries?
Union Tool Co., Ltd. has no recorded parent company — it sits at the top of its own group structure, with 8 subsidiaries recorded beneath it across 7 jurisdictions. Those 8 subsidiaries span Japan, Hong Kong, Switzerland, China, Singapore, Taiwan, and 1 more jurisdictions, though this list should not be read as complete — subsidiaries only become visible here where shareholder data has actually been filed with a register, so holdings in jurisdictions without that filing simply won't appear.
Can Zavia monitor changes to Union Tool Co., Ltd.'s ownership over time?
This profile reflects a point-in-time snapshot from National Tax Agency — Corporate Number Publication Site. Zavia's monitoring API can track changes to Union Tool Co., Ltd.'s registered shareholders, officers, and group structure going forward, flagging updates as they're filed rather than requiring a manual recheck.
Can I access Union Tool Co., Ltd.'s data through an API?
Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including Japan, so records like Union Tool Co., Ltd.'s registration, shareholder, UBO, and group-structure data can be queried programmatically instead of viewed one page at a time.
Where does this company information come from, and how current is it?
This record is sourced directly from National Tax Agency — Corporate Number Publication Site and was last synced on 1 October 2026.