---
title: "MALLORY QS LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a75c0954-d99f-5959-b32b-ebdb43bc7cb4
json: https://whiteintel.dev/api/public/dossier/a75c0954-d99f-5959-b32b-ebdb43bc7cb4
identifier: oo:GB-COH-14423314
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MALLORY QS LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-14423314`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a75c0954-d99f-5959-b32b-ebdb43bc7cb4  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a75c0954-d99f-5959-b32b-ebdb43bc7cb4  

## Ownership & control

### Owners / controllers

- **Sarah Lambourne** (beneficial owner) — 50% — https://whiteintel.dev/entity/cddf713c-7396-5b01-b796-5144674785f3
- **Simon Lambourne** (beneficial owner) — 50% — https://whiteintel.dev/entity/8cd10468-eb7d-55c0-a844-964453a3618e
- **Sarah Lambourne** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/a2af7a31-b59b-4987-aca6-8427c13d809d
- **Simon Lambourne** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/01de548f-4c2b-49fd-a1c3-ad286a93e56e

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

A **4-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:** `14423314`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2022-10-17
- **Registered office:** 17 Ashwell Road, Bygrave, Baldock, Hertfordshire, SG7 5DT, England
- **SIC:** 74902

### Officers

- LAMBOURNE, Simon — secretary · appointed 2022-10-17
- LAMBOURNE, Sarah Jane — director · British · appointed 2022-10-21
- LAMBOURNE, Simon — director · British · appointed 2022-10-17

### Beneficial owners (Persons with Significant Control)

- Sarah Lambourne — 25–50% shares · individual PSC · England — since 2022-10-17
- Simon Lambourne — 25–50% shares · individual PSC · England — since 2022-10-17

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/14423314
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/14423314

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MALLORY QS LTD**. Human view: https://whiteintel.dev/entity/a75c0954-d99f-5959-b32b-ebdb43bc7cb4 · Structured JSON: https://whiteintel.dev/api/public/dossier/a75c0954-d99f-5959-b32b-ebdb43bc7cb4._

_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"._