---
title: "Mr Walter Johnston Halkerston — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a2252fe7-e63d-59bc-af57-c38b1f6e553d
json: https://whiteintel.dev/api/public/dossier/a2252fe7-e63d-59bc-af57-c38b1f6e553d
identifier: oo-person:GB-COH-PER-OC398447-3iVhpt0rXoCQgZPp35H3Jr-1uS8
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Walter Johnston Halkerston

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-OC398447-3iVhpt0rXoCQgZPp35H3Jr-1uS8`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a2252fe7-e63d-59bc-af57-c38b1f6e553d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a2252fe7-e63d-59bc-af57-c38b1f6e553d  

## Ownership & control

### Holdings / subsidiaries

- **UNIPAR SERVICES LLP** (beneficial owner) — https://whiteintel.dev/entity/02bd4b54-f24d-5e18-900e-633918f50ecb

## 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 **Mr Walter Johnston Halkerston** — https://whiteintel.dev/entity/a2252fe7-e63d-59bc-af57-c38b1f6e553d · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Walter Johnston Halkerston**. Human view: https://whiteintel.dev/entity/a2252fe7-e63d-59bc-af57-c38b1f6e553d · Structured JSON: https://whiteintel.dev/api/public/dossier/a2252fe7-e63d-59bc-af57-c38b1f6e553d._

_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"._