Just System Co., Ltd.
Just System Co., Ltd. is a Private limited company (Ltd.) registered in Japan under 7480001000861, 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 Tokushima City, Japan. 5 shareholders are on record for Just System Co., Ltd., including at least one natural person recorded as a direct holder; the filing carries no beneficial-ownership flag, so that holder is noted here as a recorded shareholder rather than a confirmed ultimate beneficial owner (UBO). This profile is sourced directly from National Tax Agency — Corporate Number Publication Site and was last updated on 2 October 2026.
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Shareholders
5
Five shareholders are currently on record for Just System 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 Smallcap World Fund, holding 25.4% — the largest recorded stake — followed by College Retirement Equities Fund-Stock Account at 14%; 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.
4 shareholders shown are companies, so the ownership chain continues above this level for those holdings; the other 1 is recorded as direct individual holder, though the record carries no UBO/PSC flag confirming beneficial-owner status.
| Shareholder | Type | Holding | Source Document |
|---|---|---|---|
| Smallcap World Fund | 25.4% | National Tax Agency — Corporate Number Publication Site | |
| College Retirement Equities Fund-Stock Account | 14% | National Tax Agency — Corporate Number Publication Site | |
| Vanguard International Stock Index-Total Intl Stock Indx | 12.6% | National Tax Agency — Corporate Number Publication Site | |
| Fidelity International Small Cap Fund | 11.7% | National Tax Agency — Corporate Number Publication Site | |
| Columbia Fds Var Ser Tr II-Columbia Var Port-Overseas Core Fd | 11.6% | National Tax Agency — Corporate Number Publication Site |
Officers
2
Two officers are currently on record for Just System Co., Ltd., filed with National Tax Agency — Corporate Number Publication Site. Kyotaro Sekinada serves as President, Ceo & Representative Director; Masayuki Tajiki serves as Gm Of Solution Strategy Division & Director.
Management authority at Just System 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.
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Frequently Asked Questions
Who owns Just System Co., Ltd.?
Five shareholders are currently on record for Just System 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 Smallcap World Fund, holding 25.4% — the largest recorded stake — followed by College Retirement Equities Fund-Stock Account at 14%; the remaining 3 shareholders shown hold smaller stakes. 4 shareholders shown are companies, so the ownership chain continues above this level for those holdings; the other 1 is recorded as direct individual holder, though the record carries no UBO/PSC flag confirming beneficial-owner status.
Who is Just System Co., Ltd.'s UBO (Ultimate Beneficial Owner)?
At least one shareholder recorded for Just System Co., Ltd. is a natural person. The record carries no dedicated UBO/PSC flag, so that holder is stated here as a recorded shareholder rather than a confirmed Ultimate Beneficial Owner (UBO).
How many shareholders does Just System Co., Ltd. have on record?
5 shareholders are shown on record for Just System Co., Ltd.. The register reports 10 in total; only the top 5 by holding are shown here.
What is Just System Co., Ltd.'s company registration number?
Just System Co., Ltd.'s registration number is 7480001000861, filed with National Tax Agency — Corporate Number Publication Site in Japan. Its current status on the register is active.
Is Just System Co., Ltd. still an active company?
Just System Co., Ltd.'s status on National Tax Agency — Corporate Number Publication Site is listed as active.
When was Just System Co., Ltd. incorporated?
Just System Co., Ltd. was incorporated on 5 October 2015, according to National Tax Agency — Corporate Number Publication Site.
What is Just System Co., Ltd.'s registered address?
The registered address on file for Just System Co., Ltd. is Tokushima City, Japan.
What legal structure is Just System Co., Ltd. registered as?
Just System Co., Ltd. is registered as a Private limited company (Ltd.) in Japan.
Who are the officers/directors of Just System Co., Ltd.?
Two officers are currently on record for Just System Co., Ltd., filed with National Tax Agency — Corporate Number Publication Site. Kyotaro Sekinada serves as President, Ceo & Representative Director; Masayuki Tajiki serves as Gm Of Solution Strategy Division & Director. Management authority at Just System Co., Ltd. sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Can Zavia monitor changes to Just System 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 Just System 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 Just System 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 Just System 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 2 October 2026.