---
title: "QUOTIENT THERAPEUTICS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b931989d-2dfb-586f-af27-d059a57ffd8a
json: https://whiteintel.dev/api/public/dossier/b931989d-2dfb-586f-af27-d059a57ffd8a
identifier: oo:GB-COH-14042800
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# QUOTIENT THERAPEUTICS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-14042800`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b931989d-2dfb-586f-af27-d059a57ffd8a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b931989d-2dfb-586f-af27-d059a57ffd8a  

## Ownership & control

### Owners / controllers

- **Dom Chester Sound Ltd** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/5df8268a-8065-4e34-a379-8e5207787ba8

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

A **1-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:** `14042800`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2022-04-12
- **Registered office:** Suite 4, 7th Floor 50 Broadway, London, SW1H 0DB, United Kingdom
- **SIC:** 72110

### Officers

- KEEFE, Susan, Ms. — director · American · appointed 2026-04-24
- CHAPMAN, Marcus Andrew, Mr. — director · American · appointed 2022-04-12 · resigned 2025-03-19
- COLGAN, Erin — director · American · appointed 2025-03-19 · resigned 2026-04-24

### Beneficial owners (Persons with Significant Control)

- [Flagship Labs 86, Inc.](https://whiteintel.dev/entity/5df8268a-8065-4e34-a379-8e5207787ba8) — 75–100% shares · corporate PSC · United States — ceased 2022-04-12

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/14042800
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/14042800

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **QUOTIENT THERAPEUTICS LIMITED**. Human view: https://whiteintel.dev/entity/b931989d-2dfb-586f-af27-d059a57ffd8a · Structured JSON: https://whiteintel.dev/api/public/dossier/b931989d-2dfb-586f-af27-d059a57ffd8a._

_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"._