---
title: "Iron Mountain Incorporated — Ownership Dossier"
canonical: https://whiteintel.dev/entity/bb3d38c6-4fe6-4a75-ba65-56a1323b2a1c
json: https://whiteintel.dev/api/public/dossier/bb3d38c6-4fe6-4a75-ba65-56a1323b2a1c
identifier: gb-coh:5559325
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Iron Mountain Incorporated

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `gb-coh:5559325`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/bb3d38c6-4fe6-4a75-ba65-56a1323b2a1c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/bb3d38c6-4fe6-4a75-ba65-56a1323b2a1c  

## Ownership & control

### Holdings / subsidiaries

- **BRITANNIA DATA MANAGEMENT LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/8ff4c646-37b2-5ea3-a83b-2957dcbce41e
- **IRON MOUNTAIN EUROPE (GROUP) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/3c8d012c-ee3c-5a74-9fd2-d5d5c229d3d6
- **IRON MOUNTAIN (UK) DATA CENTRE LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/470c25b3-946e-57ec-9ade-e94cbec3674d

## 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 **Iron Mountain Incorporated** — https://whiteintel.dev/entity/bb3d38c6-4fe6-4a75-ba65-56a1323b2a1c · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Iron Mountain Incorporated**. Human view: https://whiteintel.dev/entity/bb3d38c6-4fe6-4a75-ba65-56a1323b2a1c · Structured JSON: https://whiteintel.dev/api/public/dossier/bb3d38c6-4fe6-4a75-ba65-56a1323b2a1c._

_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"._