---
title: "Mr Guy Langrish Duder — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a45107cf-3ef4-5b14-a91f-38e52cf9ab3c
json: https://whiteintel.dev/api/public/dossier/a45107cf-3ef4-5b14-a91f-38e52cf9ab3c
identifier: oo-person:GB-COH-PER-09273130-W6Y9xInAylPIEPb123X6l195V9A
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Guy Langrish Duder

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-09273130-W6Y9xInAylPIEPb123X6l195V9A`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a45107cf-3ef4-5b14-a91f-38e52cf9ab3c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a45107cf-3ef4-5b14-a91f-38e52cf9ab3c  

## Ownership & control

### Holdings / subsidiaries

- **PORTHMINSTER INVESTMENTS LTD** (beneficial owner) — https://whiteintel.dev/entity/9b0ccda8-8359-5eda-ba38-751a0ce5360c

## 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 Guy Langrish Duder** — https://whiteintel.dev/entity/a45107cf-3ef4-5b14-a91f-38e52cf9ab3c · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Guy Langrish Duder**. Human view: https://whiteintel.dev/entity/a45107cf-3ef4-5b14-a91f-38e52cf9ab3c · Structured JSON: https://whiteintel.dev/api/public/dossier/a45107cf-3ef4-5b14-a91f-38e52cf9ab3c._

_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"._