---
title: "SECURITY MONITORING CENTRES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/aecbf6ea-0944-54dd-becd-bed6e49af26e
json: https://whiteintel.dev/api/public/dossier/aecbf6ea-0944-54dd-becd-bed6e49af26e
identifier: oo:GB-COH-00318215
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SECURITY MONITORING CENTRES LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-00318215`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/aecbf6ea-0944-54dd-becd-bed6e49af26e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/aecbf6ea-0944-54dd-becd-bed6e49af26e  

## Ownership & control

### Owners / controllers

- **CHUBB GROUP SECURITY LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/5bf16c85-3a31-59c3-8344-18e336e16715

### Holdings / subsidiaries

- **MENTOR BUSINESS SYSTEMS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/685794f9-f54c-5381-bca9-8c4a830a2486
- **MENTOR BUSINESS SYSTEMS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/685794f9-f54c-5381-bca9-8c4a830a2486

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

1. **CHUBB GROUP SECURITY LIMITED** — beneficial owner 87.5% → *SECURITY MONITORING CENTRES LIMITED*
2. **CHUBB GROUP LIMITED** — beneficial owner 100% → *CHUBB GROUP SECURITY LIMITED*
2. **CHUBB GROUP LIMITED** — beneficial owner 87.5% → *CHUBB GROUP SECURITY LIMITED*
2. **CARRIER UK HOLDINGS LIMITED** — beneficial owner 87.5% → *CHUBB GROUP SECURITY LIMITED*
3. **CHUBB LIMITED** — beneficial owner 100% → *CHUBB GROUP LIMITED*
3. **CHUBB LIMITED** — beneficial owner 87.5% → *CHUBB GROUP LIMITED*
3. **Raytheon Technologies Corporation** — beneficial owner 87.5% → *CARRIER UK HOLDINGS LIMITED*
3. **Carrier Global Corporation** — beneficial owner 87.5% → *CARRIER UK HOLDINGS LIMITED*
3. **CARRIER GLOBAL CORPORATION** — ultimate parent → *CHUBB GROUP LIMITED*
3. **CHUBB LIMITED** — parent → *CHUBB GROUP LIMITED*
3. **CARRIER GLOBAL CORPORATION** — ultimate parent → *CARRIER UK HOLDINGS LIMITED*
3. **CARRIER GLOBAL CORPORATION** — parent → *CARRIER UK HOLDINGS LIMITED*
4. **API GROUP UK HOLDCO LIMITED** — beneficial owner 100% → *CHUBB LIMITED*
4. **CARRIER INVESTMENTS UK LIMITED** — beneficial owner 87.5% → *CHUBB LIMITED*
4. **API GROUP UK HOLDCO LIMITED** — beneficial owner 87.5% → *CHUBB LIMITED*
4. **CARRIER GLOBAL CORPORATION** — ultimate parent → *CHUBB LIMITED*
5. **Raytheon Technologies Corporation** — beneficial owner 87.5% → *CARRIER INVESTMENTS UK LIMITED*
5. **Carrier Global Corporation** — beneficial owner 87.5% → *CARRIER INVESTMENTS UK LIMITED*
5. **Api Group Corporation** — beneficial owner 87.5% → *API GROUP UK HOLDCO LIMITED*
5. **Api Group, Inc.** — beneficial owner 87.5% → *API GROUP UK HOLDCO LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `00318215`
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 1936-09-04
- **Registered office:** CHUBB HOUSE, SHADSWORTH ROAD, BLACKBURN, LANCASHIRE, BB1 2PR
- **SIC:** 80100 - Private security activities

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/00318215
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/00318215

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SECURITY MONITORING CENTRES LIMITED**. Human view: https://whiteintel.dev/entity/aecbf6ea-0944-54dd-becd-bed6e49af26e · Structured JSON: https://whiteintel.dev/api/public/dossier/aecbf6ea-0944-54dd-becd-bed6e49af26e._

_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"._