---
title: "MASSON LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e05756ee-9197-5f66-901b-2d9a57cfdac4
json: https://whiteintel.dev/api/public/dossier/e05756ee-9197-5f66-901b-2d9a57cfdac4
identifier: oo:GB-COH-12331779
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MASSON LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-12331779`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e05756ee-9197-5f66-901b-2d9a57cfdac4  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e05756ee-9197-5f66-901b-2d9a57cfdac4  

## Ownership & control

### Owners / controllers

- **Mr William Thomas Garner** (beneficial owner) — 50% — https://whiteintel.dev/entity/7b7c3334-f46b-5dcf-8ee3-f7789eb335da
- **Nicholas Onions** (beneficial owner) — 50% — https://whiteintel.dev/entity/63d9471e-3a8b-5a79-a2e9-edae7ebf05d8
- **Nicholas Onions** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/969a9b5c-0c9a-4164-a63c-3bbbf7492fd7
- **Mr William Thomas Garner** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/9de3f419-88e1-4312-ba6c-6dc5a5235121

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

A **4-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.

## Company profile (live · UK Companies House)

- **Company number:** `12331779`
- **Status:** dissolved
- **Type:** ltd
- **Incorporated:** 2019-11-25
- **Registered office:** 43 Avenue Road, Ashby-De-La-Zouch, LE65 2FA, England
- **SIC:** 59200, 90030

### Officers

- GARNER, William Thomas — director · British · appointed 2019-11-25
- ONIONS, Nicholas — director · British · appointed 2019-11-25

### Beneficial owners (Persons with Significant Control)

- Mr William Thomas Garner — 25–50% shares · individual PSC · England — since 2019-11-25
- Nicholas Onions — 25–50% shares · individual PSC · England — since 2019-11-25

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12331779

## 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 **MASSON LIMITED** — https://whiteintel.dev/entity/e05756ee-9197-5f66-901b-2d9a57cfdac4 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MASSON LIMITED**. Human view: https://whiteintel.dev/entity/e05756ee-9197-5f66-901b-2d9a57cfdac4 · Structured JSON: https://whiteintel.dev/api/public/dossier/e05756ee-9197-5f66-901b-2d9a57cfdac4._

_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"._