---
title: "CHISWICK SECURITY LLP — Ownership Dossier"
canonical: https://whiteintel.dev/entity/eb679815-e557-5616-b151-1642860ba583
json: https://whiteintel.dev/api/public/dossier/eb679815-e557-5616-b151-1642860ba583
identifier: oo:GB-COH-OC442816
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CHISWICK SECURITY LLP

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-OC442816`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/eb679815-e557-5616-b151-1642860ba583  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/eb679815-e557-5616-b151-1642860ba583  

## Ownership & control

### Owners / controllers

- **Mrs Joanna Efford** (beneficial owner) — 50% — https://whiteintel.dev/entity/f2380dcf-e652-50d6-8703-4183dce86af1
- **Mr Colin Efford** (beneficial owner) — 50% — https://whiteintel.dev/entity/726bdfab-5fc3-574b-9e24-0e0cb41bb37a
- **Mrs Joanna Efford** (beneficial owner) — https://whiteintel.dev/entity/5283ab86-4437-4b1d-aeb4-fe324e3d1a82
- **Mr Colin Efford** (beneficial owner) — https://whiteintel.dev/entity/18403593-07b9-4295-961c-b0ad5d1cb90b

### 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:** `OC442816`
- **Status:** active
- **Type:** llp
- **Incorporated:** 2022-06-24
- **Registered office:** 21 New Road, Welwyn, AL6 0AQ, England

### Officers

- EFFORD, Colin — llp designated member · appointed 2022-06-24
- EFFORD, Joanna — llp designated member · appointed 2022-06-24

### Beneficial owners (Persons with Significant Control)

- Mrs Joanna Efford — 25–50% votes · individual PSC · United Kingdom — since 2022-06-24
- Mr Colin Efford — 25–50% votes · individual PSC · United Kingdom — since 2022-06-24

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/OC442816
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/OC442816

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CHISWICK SECURITY LLP**. Human view: https://whiteintel.dev/entity/eb679815-e557-5616-b151-1642860ba583 · Structured JSON: https://whiteintel.dev/api/public/dossier/eb679815-e557-5616-b151-1642860ba583._

_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"._