---
title: "Mr Gareth William Macken — Ownership Dossier"
canonical: https://whiteintel.dev/entity/899f8dfd-fd62-4983-99c5-791bd184799d
json: https://whiteintel.dev/api/public/dossier/899f8dfd-fd62-4983-99c5-791bd184799d
identifier: psc:Ur2b0Ii3JJTng88n4Aq6Xnaqcvc
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Gareth William Macken

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:Ur2b0Ii3JJTng88n4Aq6Xnaqcvc`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/899f8dfd-fd62-4983-99c5-791bd184799d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/899f8dfd-fd62-4983-99c5-791bd184799d  

## Ownership & control

### Holdings / subsidiaries

- **IRISH BUILDING SUPPLY COMPANY LTD** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/ece38d82-3186-5805-a847-2061650050b6

## 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 Gareth William Macken** — https://whiteintel.dev/entity/899f8dfd-fd62-4983-99c5-791bd184799d · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Gareth William Macken**. Human view: https://whiteintel.dev/entity/899f8dfd-fd62-4983-99c5-791bd184799d · Structured JSON: https://whiteintel.dev/api/public/dossier/899f8dfd-fd62-4983-99c5-791bd184799d._

_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"._