---
title: "QUANTUM BUZZ LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/84cbb185-5eb8-5050-b478-55d730388e0b
json: https://whiteintel.dev/api/public/dossier/84cbb185-5eb8-5050-b478-55d730388e0b
identifier: oo:GB-COH-13281699
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# QUANTUM BUZZ LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-13281699`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/84cbb185-5eb8-5050-b478-55d730388e0b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/84cbb185-5eb8-5050-b478-55d730388e0b  

## Ownership & control

### Owners / controllers

- **Ms. Zoë Mezin** (beneficial owner) — 75% — https://whiteintel.dev/entity/0ccd8eb6-8e97-50b5-8dfc-902282273132
- **Ms Marie-Alexis Mezin** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/d2c5c635-69e3-410b-9d00-6155548c722b
- **Ms. Zoë Mezin** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/4196a994-92fc-4c87-95c9-fb7e5001a12e
- **Mr Pierre Mezin** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/0646dea3-c141-43f4-ac9c-d24a7cd49954

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

1. **Ms. Zoë Mezin** — beneficial owner 75% → *QUANTUM BUZZ LIMITED*
1. **Ms Marie-Alexis Mezin** — beneficial owner 37.5% → *QUANTUM BUZZ LIMITED*
1. **Ms. Zoë Mezin** — beneficial owner 62.5% → *QUANTUM BUZZ LIMITED*
1. **Mr Pierre Mezin** — beneficial owner 37.5% → *QUANTUM BUZZ LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `13281699`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2021-03-21
- **Registered office:** 18 Thanet House 18 Thanet House, London, W2 3UN, England
- **SIC:** 62020, 62090, 63990

### Officers

- MEZIN, Zoë, Ms. — director · British,American,French · appointed 2022-12-01
- MEZIN, Marie-Alexis — director · British · appointed 2021-03-21 · resigned 2023-03-01
- MEZIN, Pierre — director · British · appointed 2021-03-21 · resigned 2023-03-01

### Beneficial owners (Persons with Significant Control)

- Ms. Zoë Mezin — 50–75% shares · individual PSC · England — since 2022-09-01
- Ms Marie-Alexis Mezin — 25–50% shares · individual PSC · United Kingdom — ceased 2022-12-31
- Mr Pierre Mezin — 25–50% shares · individual PSC · United Kingdom — ceased 2022-12-31

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/13281699
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/13281699

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **QUANTUM BUZZ LIMITED**. Human view: https://whiteintel.dev/entity/84cbb185-5eb8-5050-b478-55d730388e0b · Structured JSON: https://whiteintel.dev/api/public/dossier/84cbb185-5eb8-5050-b478-55d730388e0b._

_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"._