---
title: "TURNMILL HOLDCO LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4ef453c5-aaaa-5b01-96b2-517d2c6385ec
json: https://whiteintel.dev/api/public/dossier/4ef453c5-aaaa-5b01-96b2-517d2c6385ec
identifier: oo:GB-COH-15453984
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# TURNMILL HOLDCO LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-15453984`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4ef453c5-aaaa-5b01-96b2-517d2c6385ec  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4ef453c5-aaaa-5b01-96b2-517d2c6385ec  

## Ownership & control

### Owners / controllers

- **TURNMILL TOPCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/b7f310f6-4dc4-596a-9381-d1fba568aed6

### Holdings / subsidiaries

- **TURNMILL MIDCO LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/b7a8fbb1-8097-59c5-bcab-df4768fb7b01
- **TURNMILL MIDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/b7a8fbb1-8097-59c5-bcab-df4768fb7b01

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

A **7-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:** `15453984`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2024-01-30
- **Registered office:** 32-38 Saffron Hill, London, EC1N 8FH, England
- **SIC:** 82990

### Officers

- JOHNSON, Alexander Masaaki — director · British · appointed 2024-02-19
- THOMPSON, Robert Jan — director · British · appointed 2026-07-06
- HICKLEY, Emily — director · British · appointed 2024-01-30 · resigned 2024-02-19
- LEVY, Rupert James — director · British · appointed 2024-02-19 · resigned 2026-07-06
- LEWIS, Adam Stephen — director · British · appointed 2024-01-30 · resigned 2024-02-19

### Beneficial owners (Persons with Significant Control)

- [Turnmill Topco Limited](https://whiteintel.dev/entity/b7f310f6-4dc4-596a-9381-d1fba568aed6) — 75–100% shares · corporate PSC · United Kingdom — since 2024-01-30

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/15453984
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/15453984

## 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 **TURNMILL HOLDCO LIMITED** — https://whiteintel.dev/entity/4ef453c5-aaaa-5b01-96b2-517d2c6385ec · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **TURNMILL HOLDCO LIMITED**. Human view: https://whiteintel.dev/entity/4ef453c5-aaaa-5b01-96b2-517d2c6385ec · Structured JSON: https://whiteintel.dev/api/public/dossier/4ef453c5-aaaa-5b01-96b2-517d2c6385ec._

_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"._