---
title: "CALIBURN LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b7ff9afd-4177-5c53-b992-b3462efae803
json: https://whiteintel.dev/api/public/dossier/b7ff9afd-4177-5c53-b992-b3462efae803
identifier: oo:GB-COH-SC594511
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CALIBURN LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-SC594511`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b7ff9afd-4177-5c53-b992-b3462efae803  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b7ff9afd-4177-5c53-b992-b3462efae803  

## Cross-source identity

The same real-world entity, resolved across sources:

- **CALIBURN LIMITED** — companies_house_bulk · `gb-coh:16642511` — https://whiteintel.dev/entity/7908376a-437f-4738-a8fa-4ad599206d3f

## Ownership & control

### Owners / controllers

- **Mark Ronald Graham** (beneficial owner) — 100% — https://whiteintel.dev/entity/6d00da3a-c17c-5e3c-b4e5-e02835c9c9b9
- **Mark Ronald Graham** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/08163f5f-fb3f-4a87-aa73-353ff91cd667

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

A **3-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.

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/SC594511

## 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 **CALIBURN LIMITED** — https://whiteintel.dev/entity/b7ff9afd-4177-5c53-b992-b3462efae803 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CALIBURN LIMITED**. Human view: https://whiteintel.dev/entity/b7ff9afd-4177-5c53-b992-b3462efae803 · Structured JSON: https://whiteintel.dev/api/public/dossier/b7ff9afd-4177-5c53-b992-b3462efae803._

_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"._