---
title: "ERMINE INVESTCO LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/c4fa7c69-c0e3-4d13-968e-d5897ff5ad78
json: https://whiteintel.dev/api/public/dossier/c4fa7c69-c0e3-4d13-968e-d5897ff5ad78
identifier: gb-coh:16811994
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ERMINE INVESTCO LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `gb-coh:16811994`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/c4fa7c69-c0e3-4d13-968e-d5897ff5ad78  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/c4fa7c69-c0e3-4d13-968e-d5897ff5ad78  

## Ownership & control

### Owners / controllers

- **MML KEYSTONE HOLDCO 1 LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/2c43f240-be0c-512a-8bcb-9350890c0799

### Holdings / subsidiaries

- **ERMINE TOPCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/d9b3359d-4c83-47c0-8138-b05c51ef33ef

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

A **12-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:** `16811994`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2025-10-27
- **Registered office:** Orion House, 5 Upper St. Martin's Lane, London, WC2H 9EA, United Kingdom
- **SIC:** 64304

### Officers

- [ALTER DOMUS (UK) LIMITED](https://whiteintel.dev/entity/3bf6edd5-c4e3-588a-897a-7b64b62ad2f2) — corporate secretary · appointed 2026-03-11
- BROWN, James Elliot — director · British · appointed 2025-10-27
- HONAN, Andrew James — director · Irish · appointed 2025-10-27

### Beneficial owners (Persons with Significant Control)

- [Mml Keystone Holdco 1 Ltd](https://whiteintel.dev/entity/2c43f240-be0c-512a-8bcb-9350890c0799) — 75–100% shares · corporate PSC · United Kingdom — since 2025-10-27

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/16811994

## 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 **ERMINE INVESTCO LIMITED** — https://whiteintel.dev/entity/c4fa7c69-c0e3-4d13-968e-d5897ff5ad78 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ERMINE INVESTCO LIMITED**. Human view: https://whiteintel.dev/entity/c4fa7c69-c0e3-4d13-968e-d5897ff5ad78 · Structured JSON: https://whiteintel.dev/api/public/dossier/c4fa7c69-c0e3-4d13-968e-d5897ff5ad78._

_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"._