---
title: "Mark John Sargent — Ownership Dossier"
canonical: https://whiteintel.dev/entity/97208ce2-1baf-5053-bc99-592a35b4a25e
json: https://whiteintel.dev/api/public/dossier/97208ce2-1baf-5053-bc99-592a35b4a25e
identifier: oo-person:GB-COH-PER-12865962-2U-zuECx1oQYY0WXtSYUEKhjSlM
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mark John Sargent

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-12865962-2U-zuECx1oQYY0WXtSYUEKhjSlM`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/97208ce2-1baf-5053-bc99-592a35b4a25e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/97208ce2-1baf-5053-bc99-592a35b4a25e  

## Ownership & control

### Holdings / subsidiaries

- **ALCO VALVES LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/3e0c48a4-137d-5c11-80c7-3b16fc9622ea

## Provenance

- OpenOwnership — https://www.openownership.org

## 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 **Mark John Sargent** — https://whiteintel.dev/entity/97208ce2-1baf-5053-bc99-592a35b4a25e · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mark John Sargent**. Human view: https://whiteintel.dev/entity/97208ce2-1baf-5053-bc99-592a35b4a25e · Structured JSON: https://whiteintel.dev/api/public/dossier/97208ce2-1baf-5053-bc99-592a35b4a25e._

_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"._