---
title: "SEIYU INC. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3734c969-659d-5213-a834-8ebfebafa0d5
json: https://whiteintel.dev/api/public/dossier/3734c969-659d-5213-a834-8ebfebafa0d5
identifier: icij:icijol-156136
jurisdiction: WS
risk: High
source: WhiteIntel corporate-ownership graph
---

# SEIYU INC.

**Type:** Company  
**Jurisdiction:** WS  
**Identifier:** `icij:icijol-156136`  
**Risk level:** High  
**Canonical dossier:** https://whiteintel.dev/entity/3734c969-659d-5213-a834-8ebfebafa0d5  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3734c969-659d-5213-a834-8ebfebafa0d5  

## Ownership & control

### Owners / controllers

- **KO, HSIU-MAN** (shareholder of) — https://whiteintel.dev/entity/a4de84dd-817a-5b86-a88c-567dc1dbe716
- **KO, HSIU-TSU** (shareholder of) — https://whiteintel.dev/entity/e8e8cfbe-73b0-53b1-9531-56da84b3713c
- **KE, CHIA-NAN** (shareholder of) — https://whiteintel.dev/entity/8eb31047-0199-5cf5-8b56-e1dd02aff650
- **KO, NIEN-TZU** (shareholder of) — https://whiteintel.dev/entity/e62037b9-7e6b-5176-bee1-a75a9b67c03a
- **Portcullis TrustNet (Samoa) Limited** (shareholder of) — https://whiteintel.dev/entity/b744713c-97d3-5ece-9bdf-461a70fa9a9e
- **KO, HUI-MIN** (shareholder of) — https://whiteintel.dev/entity/f678e77f-e9a9-5fd7-b419-08d61115ebe9
- **KO, CHIA-HSIU** (shareholder of) — https://whiteintel.dev/entity/58af7804-e834-544a-b476-f426f9065542
- **KO, SHIU-LI** (shareholder of) — https://whiteintel.dev/entity/15f20fd8-e828-542b-8164-0ce2dccd3480
- **KO, HUEI-TZE** (shareholder of) — https://whiteintel.dev/entity/b0f71695-eb73-5005-8650-0201a011cd9d

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

A **12-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.

## Exposure (derived from the ownership graph)

**1** owner upstream in this entity's ownership/control chain is flagged — a sanctions hit or a secrecy jurisdiction — an investigative lead by resolved identity, not a legal determination. The contributing parties and the hop-by-hop path unlock with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/156136

## 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 **SEIYU INC.** — https://whiteintel.dev/entity/3734c969-659d-5213-a834-8ebfebafa0d5 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SEIYU INC.**. Human view: https://whiteintel.dev/entity/3734c969-659d-5213-a834-8ebfebafa0d5 · Structured JSON: https://whiteintel.dev/api/public/dossier/3734c969-659d-5213-a834-8ebfebafa0d5._

_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"._