---
title: "CORNERSTONE SECURITY SYSTEMS LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/f01c0c96-9758-5230-9da6-e760b47ef0e9
json: https://whiteintel.dev/api/public/dossier/f01c0c96-9758-5230-9da6-e760b47ef0e9
identifier: oo:GB-COH-07012667
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CORNERSTONE SECURITY SYSTEMS LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-07012667`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/f01c0c96-9758-5230-9da6-e760b47ef0e9  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/f01c0c96-9758-5230-9da6-e760b47ef0e9  

## Ownership & control

### Owners / controllers

- **CORNERSTONE SECURITY GROUP (UK) LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/687760d3-c8e6-54c4-aedf-4fb246b56118
- **CORNERSTONE SECURITY GROUP (UK) LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/687760d3-c8e6-54c4-aedf-4fb246b56118
- **Mr Richard Langshaw** (beneficial owner) — https://whiteintel.dev/entity/a53362df-fbbb-4672-9edd-f79e0b99f1e9

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

A **5-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:** `07012667`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2009-09-08
- **Registered office:** Building 16, Gateway 1000, Whittle Way, Arlington Business Park, Stevenage, Hertfordshire, SG1 2FP, England
- **SIC:** 43210

## Financials (Companies House accounts)

| Figure | 2025-08-31 |
|---|---:|
| Net assets | £596,848 |
| Cash | £809,986 |
| Shareholder funds | £110 |
| Fixed assets | £53,927 |
| Current assets | £2,670,435 |
| Employees | 24 |

_Latest filed period. Full 2-year history unlocks with a paid dossier — https://whiteintel.dev/pricing. As filed at Companies House._

### Officers

- COOPER, Justin Paul — director · British · appointed 2019-09-01
- LANGSHAW, Amy Monday Delisle — director · British · appointed 2012-09-11
- LANGSHAW, Richard — director · British · appointed 2009-09-08
- FLACK, Simon Christopher — director · British · appointed 2012-09-11 · resigned 2023-06-20
- HORN, Bradley Allan — director · British · appointed 2013-05-01 · resigned 2015-05-29
- SIMMONS, James Ian — director · British · appointed 2016-11-07 · resigned 2021-10-01

### Beneficial owners (Persons with Significant Control)

- [Cornerstone Security Group (Uk) Ltd](https://whiteintel.dev/entity/687760d3-c8e6-54c4-aedf-4fb246b56118) — 75–100% shares · corporate PSC · England — since 2021-10-01
- Mr Richard Langshaw — significant influence or control · individual PSC · England — ceased 2021-10-01

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/07012667
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/07012667
- companies_house_accounts — https://find-and-update.company-information.service.gov.uk/company/07012667/filing-history

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **CORNERSTONE SECURITY SYSTEMS LTD** — https://whiteintel.dev/entity/f01c0c96-9758-5230-9da6-e760b47ef0e9 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CORNERSTONE SECURITY SYSTEMS LTD**. Human view: https://whiteintel.dev/entity/f01c0c96-9758-5230-9da6-e760b47ef0e9 · Structured JSON: https://whiteintel.dev/api/public/dossier/f01c0c96-9758-5230-9da6-e760b47ef0e9._

_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"._