---
title: "MMC HOLDINGS (UK) LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/048195c7-7d44-5239-ad3d-2c7f7fc24181
json: https://whiteintel.dev/api/public/dossier/048195c7-7d44-5239-ad3d-2c7f7fc24181
identifier: oo:GB-COH-09831612
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MMC HOLDINGS (UK) LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-09831612`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/048195c7-7d44-5239-ad3d-2c7f7fc24181  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/048195c7-7d44-5239-ad3d-2c7f7fc24181  

## Cross-source identity

The same real-world entity, resolved across sources:

- **MMC HOLDINGS (UK) LIMITED** — GLEIF · `lei:213800RSIZGJLW4E3S66` — https://whiteintel.dev/entity/317cd0a4-6301-5dc7-8eb3-f7aa824a24eb
- **Mmc Holdings (Uk) Limited** — source · `gb-coh:9831612` — https://whiteintel.dev/entity/6712c3a8-bcff-47de-a278-d1dcbd749a63

## Ownership & control

### Owners / controllers

- **CALM TREASURY HOLDINGS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/64d2708d-a419-594a-add2-9d8549f2d6ee
- **Calm Treasury Holdings Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/ab636b74-d5be-466b-88d7-8f6dc3009a90

### Holdings / subsidiaries

- **MARSH MCLENNAN INDIA HOLDINGS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/b2e8a2a5-7fbd-516f-a093-f88a04bfe923
- **JLT INSURANCE GROUP HOLDINGS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/4aa3f44f-1cd9-5122-ade6-e909cb65e069
- **JLT MANAGEMENT SERVICES LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/a6d0c5b8-576e-5739-9e99-7510b0ab2d93
- **MARSH & MCLENNAN COMPANIES UK LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/251e1419-e2b5-5f52-a657-cb35cc4f1f25
- **JLT INSURANCE GROUP HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/4aa3f44f-1cd9-5122-ade6-e909cb65e069
- **JLT MANAGEMENT SERVICES LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/a6d0c5b8-576e-5739-9e99-7510b0ab2d93
- **MARSH MCLENNAN INDIA HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/b2e8a2a5-7fbd-516f-a093-f88a04bfe923

### 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:** `09831612`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2015-10-19
- **Registered office:** 1 Tower Place West, Tower Place, London, EC3R 5BU
- **SIC:** 70100

### Officers

- MARSH SECRETARIAL SERVICES LIMITED — corporate secretary · appointed 2020-01-01
- DARTNELL, Liam — director · British · appointed 2024-07-10
- GODWIN, Caroline Wendy — director · British · appointed 2024-07-10
- PORTER, Katherine Nicola — director · British · appointed 2024-07-10
- ABBOTT, Adrianne Helen Marie — secretary · appointed 2015-10-19 · resigned 2016-03-01
- MARSH, Wendy Patricia — secretary · appointed 2016-03-01 · resigned 2019-07-31
- BROAD, Justin Bruce — director · British · appointed 2018-08-03 · resigned 2024-08-19
- CLAYDEN, Paul Francis — director · British · appointed 2015-10-19 · resigned 2018-08-03
- D'OFFAY, Jean-Paul — director · British · appointed 2015-10-19 · resigned 2022-02-11
- PEARCE, Thomas Frank — director · British · appointed 2023-06-01 · resigned 2024-08-19
- SAXBY, Sarah — director · British · appointed 2021-07-22 · resigned 2023-05-26

### Beneficial owners (Persons with Significant Control)

- [Calm Treasury Holdings Limited](https://whiteintel.dev/entity/ab636b74-d5be-466b-88d7-8f6dc3009a90) — 75–100% shares · corporate PSC · United Kingdom — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/09831612
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/09831612

## 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 **MMC HOLDINGS (UK) LIMITED** — https://whiteintel.dev/entity/048195c7-7d44-5239-ad3d-2c7f7fc24181 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MMC HOLDINGS (UK) LIMITED**. Human view: https://whiteintel.dev/entity/048195c7-7d44-5239-ad3d-2c7f7fc24181 · Structured JSON: https://whiteintel.dev/api/public/dossier/048195c7-7d44-5239-ad3d-2c7f7fc24181._

_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"._