---
title: "MCMAHON CLAN LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8bd85ae5-d0f4-571c-b0e7-48ce23f7a167
json: https://whiteintel.dev/api/public/dossier/8bd85ae5-d0f4-571c-b0e7-48ce23f7a167
identifier: oo:GB-COH-SC323300
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MCMAHON CLAN LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-SC323300`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8bd85ae5-d0f4-571c-b0e7-48ce23f7a167  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8bd85ae5-d0f4-571c-b0e7-48ce23f7a167  

## Ownership & control

### Owners / controllers

- **Mrs Janet Mcmahon** (beneficial owner) — 50% — https://whiteintel.dev/entity/b1b0b1b6-6d7f-53f1-aa15-348bdc635ce4
- **Mr John Mcmahon** (beneficial owner) — 50% — https://whiteintel.dev/entity/334ba407-b76f-5469-93ac-faf3ac7fc474
- **Mr John Mcmahon** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/9b1210f3-e421-4815-8df7-eda5530e818c
- **Mrs Janet Mcmahon** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/263cc46c-0c75-44f7-90f2-4b20c48df1f0

### 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:** `SC323300`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2007-05-09
- **Registered office:** 322 Crow Road, Broomhill, Glasgow, Lanarkshire, G11 7HS
- **SIC:** 56102

### Officers

- MCMAHON, John — secretary · British · appointed 2007-05-09
- MCMAHON, John — director · British · appointed 2007-05-09
- MCMAHON, Janet — director · British · appointed 2007-05-09 · resigned 2026-05-12

### Beneficial owners (Persons with Significant Control)

- Mr John Mcmahon — 25–50% shares · individual PSC — since 2016-04-06
- Mrs Janet Mcmahon — 25–50% shares · individual PSC — ceased 2026-05-12

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/SC323300
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/SC323300

## 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 **MCMAHON CLAN LTD** — https://whiteintel.dev/entity/8bd85ae5-d0f4-571c-b0e7-48ce23f7a167 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MCMAHON CLAN LTD**. Human view: https://whiteintel.dev/entity/8bd85ae5-d0f4-571c-b0e7-48ce23f7a167 · Structured JSON: https://whiteintel.dev/api/public/dossier/8bd85ae5-d0f4-571c-b0e7-48ce23f7a167._

_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"._