---
title: "ALDER SECURITY LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/871fc775-82be-53dc-aa18-51d63f2c19e6
json: https://whiteintel.dev/api/public/dossier/871fc775-82be-53dc-aa18-51d63f2c19e6
identifier: oo:GB-COH-09959431
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ALDER SECURITY LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-09959431`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/871fc775-82be-53dc-aa18-51d63f2c19e6  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/871fc775-82be-53dc-aa18-51d63f2c19e6  

## Ownership & control

### Owners / controllers

- **Mr Simon Martin Alder** (beneficial owner) — 100% — https://whiteintel.dev/entity/597ad1f8-d21b-593a-8d38-b641f5f1790e
- **Mr Simon Martin Alder** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/6d2e3483-0cd4-4130-8ece-7732248a8087

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

1. **Mr Simon Martin Alder** — beneficial owner 100% → *ALDER SECURITY LTD*
1. **Mr Simon Martin Alder** — beneficial owner 87.5% → *ALDER SECURITY LTD*

## Company profile (live · UK Companies House)

- **Company number:** `09959431`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2016-01-19
- **Registered office:** 116 Oxford Road, Cumnor, Oxford, Oxon, OX2 9PQ, United Kingdom
- **SIC:** 80200

### Officers

- ALDER, Simon Martin — director · British · appointed 2016-01-19

### Beneficial owners (Persons with Significant Control)

- Mr Simon Martin Alder — 75–100% shares · individual PSC · United Kingdom — since 2016-04-06

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/09959431
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/09959431

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ALDER SECURITY LTD**. Human view: https://whiteintel.dev/entity/871fc775-82be-53dc-aa18-51d63f2c19e6 · Structured JSON: https://whiteintel.dev/api/public/dossier/871fc775-82be-53dc-aa18-51d63f2c19e6._

_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"._