TRIO-TECH INTERNATIONAL
TRIO-TECH INTERNATIONAL is a Public Limited Company registered in United States under 0357575, and its current status with California Secretary of State — bizfile Online is active. The company was incorporated on 17 July 1958 and lists its registered address as VAN NUYS, United States. 1 shareholder is on record for TRIO-TECH INTERNATIONAL, 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 California Secretary of State — bizfile Online and was last updated on 3 October 2026.
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Shareholders
1
One shareholder is currently on record for TRIO-TECH INTERNATIONAL, reflecting the stock ledger maintained under state corporate law (e.g. §219 of the Delaware General Corporation Law) rather than a public filing.
The largest of these is Fidelity Concord Street Trust-Fidelity Extended Market Index Fund, holding 1.1% — the largest recorded stake.
Because the 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 |
|---|---|---|---|
| Fidelity Concord Street Trust-Fidelity Extended Market Index Fund | 1.1% | California Secretary of State — bizfile Online |
Officers
5
The President, Ceo & Chairman of TRIO-TECH INTERNATIONAL currently on record is SIEW YONG; five officers are currently on record for TRIO-TECH INTERNATIONAL, filed with California Secretary of State — bizfile Online.
The register reports 15 officers in total, including past appointments, though only the 5 most relevant records are shown here.
Management authority at TRIO-TECH INTERNATIONAL 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
TRIO-TECH INTERNATIONAL has no recorded parent company — it sits at the top of its own group structure, with 2 subsidiaries recorded beneath it across 2 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 2 subsidiaries span United States, Singapore 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. One of the 2 go a level deeper still, with its own further subsidiaries recorded beneath it — additional ownership layers this view doesn't expand.
TRIO-TECH INTERNATIONAL
United States
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Frequently Asked Questions
Who owns TRIO-TECH INTERNATIONAL?
One shareholder is currently on record for TRIO-TECH INTERNATIONAL, reflecting the stock ledger maintained under state corporate law (e.g. §219 of the Delaware General Corporation Law) rather than a public filing. The largest of these is Fidelity Concord Street Trust-Fidelity Extended Market Index Fund, holding 1.1% — the largest recorded stake. Because the 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 TRIO-TECH INTERNATIONAL's UBO (Ultimate Beneficial Owner)?
Every shareholder recorded for TRIO-TECH INTERNATIONAL 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 TRIO-TECH INTERNATIONAL have on record?
1 shareholder is shown on record for TRIO-TECH INTERNATIONAL.
What is TRIO-TECH INTERNATIONAL's company registration number?
TRIO-TECH INTERNATIONAL's registration number is 0357575, filed with California Secretary of State — bizfile Online in United States. Its current status on the register is active.
Is TRIO-TECH INTERNATIONAL still an active company?
TRIO-TECH INTERNATIONAL's status on California Secretary of State — bizfile Online is listed as active.
When was TRIO-TECH INTERNATIONAL incorporated?
TRIO-TECH INTERNATIONAL was incorporated on 17 July 1958, according to California Secretary of State — bizfile Online.
What is TRIO-TECH INTERNATIONAL's registered address?
The registered address on file for TRIO-TECH INTERNATIONAL is VAN NUYS, United States.
What legal structure is TRIO-TECH INTERNATIONAL registered as?
TRIO-TECH INTERNATIONAL is registered as a Public Limited Company in United States.
Who are the officers/directors of TRIO-TECH INTERNATIONAL?
The President, Ceo & Chairman of TRIO-TECH INTERNATIONAL currently on record is SIEW YONG; five officers are currently on record for TRIO-TECH INTERNATIONAL, filed with California Secretary of State — bizfile Online. Management authority at TRIO-TECH INTERNATIONAL sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Does TRIO-TECH INTERNATIONAL have a parent company or subsidiaries?
TRIO-TECH INTERNATIONAL has no recorded parent company — it sits at the top of its own group structure, with 2 subsidiaries recorded beneath it across 2 jurisdictions. Those 2 subsidiaries span United States, Singapore 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. One of the 2 go a level deeper still, with its own further subsidiaries recorded beneath it — additional ownership layers this view doesn't expand.
Can Zavia monitor changes to TRIO-TECH INTERNATIONAL's ownership over time?
This profile reflects a point-in-time snapshot from California Secretary of State — bizfile Online. Zavia's monitoring API can track changes to TRIO-TECH INTERNATIONAL's registered shareholders, officers, and group structure going forward, flagging updates as they're filed rather than requiring a manual recheck.
Can I access TRIO-TECH INTERNATIONAL's data through an API?
Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including United States, so records like TRIO-TECH INTERNATIONAL'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 California Secretary of State — bizfile Online and was last synced on 3 October 2026.