---
title: "TRIO-TECH INTERNATIONAL — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2540c910-fb03-532a-bc05-6e0818639d15
json: https://whiteintel.dev/api/public/dossier/2540c910-fb03-532a-bc05-6e0818639d15
identifier: sec:0000732026
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# TRIO-TECH INTERNATIONAL

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000732026`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/2540c910-fb03-532a-bc05-6e0818639d15  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2540c910-fb03-532a-bc05-6e0818639d15  

## Ownership & control

### Owners / controllers

- **YONG SIEW WAI** (10% owner) — https://whiteintel.dev/entity/73f4377b-d486-57d3-93a9-4b02cbf47440
- **HOROWITZ RICHARD M** (10% owner) — https://whiteintel.dev/entity/3a5fe302-b2ef-54d8-9d13-1a10b49aaeec
- **HOROWITZ RICHARD M** (10% owner) — https://whiteintel.dev/entity/3a5fe302-b2ef-54d8-9d13-1a10b49aaeec
- **YONG SIEW WAI** (tenpercentowner) — https://whiteintel.dev/entity/73f4377b-d486-57d3-93a9-4b02cbf47440
- **SPECTRUM GALAXY FUND LTD.** (tenpercentowner) — https://whiteintel.dev/entity/68b7393b-a166-548b-b470-36f12a949efa
- **ZEFF DANIEL** (tenpercentowner) — https://whiteintel.dev/entity/22f2955d-d613-5d3a-a5a1-b6cee1e131bb
- **ZEFF HOLDING COMPANY, LLC** (tenpercentowner) — https://whiteintel.dev/entity/9caca668-ec0b-577c-b4e1-4af5ed55fa79
- **ZEFF CAPITAL PARTNERS I, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/c4f10508-2873-5c99-a113-0379e9d34622
- **HOROWITZ RICHARD M** (tenpercentowner) — https://whiteintel.dev/entity/3a5fe302-b2ef-54d8-9d13-1a10b49aaeec
- **WILSON A CHARLES** (tenpercentowner) — https://whiteintel.dev/entity/df448ba4-cdab-578d-8d6d-5baca583b6e1

### UBO chain (walk to the ultimate owner)

A **28-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **TRIO-TECH INTERNATIONAL** — https://whiteintel.dev/entity/2540c910-fb03-532a-bc05-6e0818639d15 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **TRIO-TECH INTERNATIONAL**. Human view: https://whiteintel.dev/entity/2540c910-fb03-532a-bc05-6e0818639d15 · Structured JSON: https://whiteintel.dev/api/public/dossier/2540c910-fb03-532a-bc05-6e0818639d15._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._