---
title: "CME GROUP BENCHMARK ADMINISTRATION LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/01fe0ca3-27c8-5310-b4e0-0df4640abfac
json: https://whiteintel.dev/api/public/dossier/01fe0ca3-27c8-5310-b4e0-0df4640abfac
identifier: oo:GB-COH-09914271
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CME GROUP BENCHMARK ADMINISTRATION LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-09914271`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/01fe0ca3-27c8-5310-b4e0-0df4640abfac  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/01fe0ca3-27c8-5310-b4e0-0df4640abfac  

## Cross-source identity

The same real-world entity, resolved across sources:

- **CME GROUP BENCHMARK ADMINISTRATION LIMITED** — GLEIF · `lei:213800LS1D2N6MQCDP18` — https://whiteintel.dev/entity/58271999-ddc1-5c48-a7f9-4abff839a6c8

## Ownership & control

### Owners / controllers

- **NEX OPTIMISATION LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/53293972-9c9b-5551-84a9-0baba3018352
- **NEX GROUP HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/6fafe1bd-45e4-5961-a0dd-ef4437f155a1
- **NEX INTERNATIONAL LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/4ff9774a-5601-5d51-b345-5fc4ca099af1
- **NEX OPTIMISATION LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/53293972-9c9b-5551-84a9-0baba3018352

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

A **21-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:** `09914271`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2015-12-14
- **Registered office:** London Fruit And Wool Exchange, 1 Duval Square, London, E1   6PW, England
- **SIC:** 63990

### Officers

- GIFFEN, Sarah — secretary · appointed 2023-02-09
- MUDDIMAN, David James — secretary · appointed 2023-02-09
- BERRE III, Edgar Louis — director · American · appointed 2019-07-22
- MARSTON, Serge Robitaille — director · British · appointed 2024-10-03
- RUSCHER, Maximilian — director · German · appointed 2023-07-12
- SEAMAN, Adrienne Hilary — director · British · appointed 2019-07-22
- ABREHART, Deborah Anne — secretary · appointed 2015-12-14 · resigned 2019-12-31
- RIDLEY, Veronica Holly — secretary · appointed 2019-12-31 · resigned 2021-07-01
- CRONIN, Kathleen Marie — director · American · appointed 2019-07-22 · resigned 2021-11-02
- EVERAERT, Michel — director · Belgian · appointed 2022-12-12 · resigned 2024-04-03
- HAVENS, Meghann Mary — director · British · appointed 2015-12-14 · resigned 2019-01-31
- KNOTTENBELT, William Frederick — director · British · appointed 2019-07-22 · resigned 2022-12-31
- LEE, Gavin Keith — director · British · appointed 2020-12-07 · resigned 2023-11-30
- TAYLOR, Kevin John — director · British · appointed 2015-12-14 · resigned 2019-10-11

### Beneficial owners (Persons with Significant Control)

- [Nex International Limited](https://whiteintel.dev/entity/4ff9774a-5601-5d51-b345-5fc4ca099af1) — 75–100% shares · corporate PSC · England — since 2026-02-13
- [Nex Group Holdings Limited](https://whiteintel.dev/entity/6fafe1bd-45e4-5961-a0dd-ef4437f155a1) — 75–100% shares · corporate PSC · England — ceased 2026-02-13
- [Nex Optimisation Limited](https://whiteintel.dev/entity/53293972-9c9b-5551-84a9-0baba3018352) — 75–100% shares · corporate PSC · England — ceased 2026-02-13

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/09914271
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/09914271

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CME GROUP BENCHMARK ADMINISTRATION LIMITED**. Human view: https://whiteintel.dev/entity/01fe0ca3-27c8-5310-b4e0-0df4640abfac · Structured JSON: https://whiteintel.dev/api/public/dossier/01fe0ca3-27c8-5310-b4e0-0df4640abfac._

_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"._