---
title: "Mainsail Holdings Limited — Ownership Dossier"
canonical: https://whiteintel.dev/entity/6b83f4e4-b4f2-5ca8-96ef-0b6535710b75
json: https://whiteintel.dev/api/public/dossier/6b83f4e4-b4f2-5ca8-96ef-0b6535710b75
identifier: icij:icijol-82019495
jurisdiction: IM
risk: High
source: WhiteIntel corporate-ownership graph
---

# Mainsail Holdings Limited

**Type:** Company  
**Jurisdiction:** IM  
**Identifier:** `icij:icijol-82019495`  
**Risk level:** High  
**Canonical dossier:** https://whiteintel.dev/entity/6b83f4e4-b4f2-5ca8-96ef-0b6535710b75  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/6b83f4e4-b4f2-5ca8-96ef-0b6535710b75  

## Ownership & control

### Owners / controllers

- **Rational Property Holdings Limited** (shareholder of) — https://whiteintel.dev/entity/d7dd91eb-6355-5b62-84ff-db1168d7ca43
- **Amaya Group Limited** (shareholder of) — https://whiteintel.dev/entity/87ef651e-43cb-512d-8fe5-790d2a938f98
- **Leumi Overseas Trust Corporation Limited** (shareholder of) — https://whiteintel.dev/entity/af1b5d79-3360-5deb-9774-fa7faeaed811
- **Quorum Nominees Limited** (shareholder of) — https://whiteintel.dev/entity/de077858-a836-5295-b119-e022058f85c5
- **Quorum Secretaries Limited** (shareholder of) — https://whiteintel.dev/entity/4c9bf801-e61a-5f61-bc31-dcaf85abe606
- **Tidal Holdings Limited** (shareholder of) — https://whiteintel.dev/entity/626f3473-0f41-542a-b0f9-14f61710dc82

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

A **13-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)

**11** owners upstream in this entity's ownership/control chain are 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/82019495

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mainsail Holdings Limited**. Human view: https://whiteintel.dev/entity/6b83f4e4-b4f2-5ca8-96ef-0b6535710b75 · Structured JSON: https://whiteintel.dev/api/public/dossier/6b83f4e4-b4f2-5ca8-96ef-0b6535710b75._

_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"._