---
title: "Johnston - M Calum — Ownership Dossier"
canonical: https://whiteintel.dev/entity/5d3023a2-c66b-5911-bd60-e7bf7ff6bbc3
json: https://whiteintel.dev/api/public/dossier/5d3023a2-c66b-5911-bd60-e7bf7ff6bbc3
identifier: icij:icijol-80083738
jurisdiction: BM
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# Johnston - M Calum

**Type:** Organization  
**Jurisdiction:** BM  
**Identifier:** `icij:icijol-80083738`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/5d3023a2-c66b-5911-bd60-e7bf7ff6bbc3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/5d3023a2-c66b-5911-bd60-e7bf7ff6bbc3  

## Ownership & control

### Holdings / subsidiaries

- **Hidden Cove Limited** (director of) — https://whiteintel.dev/entity/bb119605-87fd-5a85-8bcb-8496dc344c67
- **Butterfield Vencap Limited** (chairman of the board of) — https://whiteintel.dev/entity/385cbb5d-b312-57a5-b6e2-3545468fbfe7
- **Butterfield Vencap Limited** (director of) — https://whiteintel.dev/entity/385cbb5d-b312-57a5-b6e2-3545468fbfe7
- **Bank Nobelis Ltd.** (chairman of) — https://whiteintel.dev/entity/a0efb891-4d33-54d0-9048-72ffcc04fa69
- **Bank Nobelis Ltd.** (director of) — https://whiteintel.dev/entity/a0efb891-4d33-54d0-9048-72ffcc04fa69

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/80083738

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Johnston - M Calum**. Human view: https://whiteintel.dev/entity/5d3023a2-c66b-5911-bd60-e7bf7ff6bbc3 · Structured JSON: https://whiteintel.dev/api/public/dossier/5d3023a2-c66b-5911-bd60-e7bf7ff6bbc3._

_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"._