---
title: "AES DEFENCE LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/307d35f1-2b10-5ced-ba38-ae2cd93a387f
json: https://whiteintel.dev/api/public/dossier/307d35f1-2b10-5ced-ba38-ae2cd93a387f
identifier: oo:GB-COH-06843526
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# AES DEFENCE LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-06843526`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/307d35f1-2b10-5ced-ba38-ae2cd93a387f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/307d35f1-2b10-5ced-ba38-ae2cd93a387f  

## Ownership & control

### Owners / controllers

- **Dr Mircea Marcel Grigoriu** (beneficial owner) — https://whiteintel.dev/entity/a6f265c0-2425-5ac2-ae44-bd2e00fe3547
- **Mrs Doina Grigoriu** (beneficial owner) — https://whiteintel.dev/entity/801baad1-7d50-56b8-a582-a8d288acd1e2
- **ADVANCED EXPERT SYSTEMS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/d456dfa5-7df7-526a-9ecb-a4094343cc00
- **Mrs Doina Grigoriu** (beneficial owner) — https://whiteintel.dev/entity/8a676cc7-31b4-49df-8c99-29600cb23b36
- **Dr Mircea Marcel Grigoriu-Deceased Estate** (beneficial owner) — https://whiteintel.dev/entity/9b335355-6da3-4edd-b5df-d2914282a349

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

1. **Dr Mircea Marcel Grigoriu** — beneficial owner → *AES DEFENCE LIMITED*
1. **Mrs Doina Grigoriu** — beneficial owner → *AES DEFENCE LIMITED*
1. **ADVANCED EXPERT SYSTEMS LIMITED** — beneficial owner 87.5% → *AES DEFENCE LIMITED*
1. **Mrs Doina Grigoriu** — beneficial owner → *AES DEFENCE LIMITED*
1. **Dr Mircea Marcel Grigoriu-Deceased Estate** — beneficial owner → *AES DEFENCE LIMITED*
2. **Mrs Doina Grigoriu** — beneficial owner 50% → *ADVANCED EXPERT SYSTEMS LIMITED*
2. **Dr Mircea Marcel Grigoriu** — beneficial owner 50% → *ADVANCED EXPERT SYSTEMS LIMITED*
2. **Dr Mircea Marcel Grigoriu-Deceased Estate** — beneficial owner 37.5% → *ADVANCED EXPERT SYSTEMS LIMITED*
2. **Mrs Doina Grigoriu** — beneficial owner 37.5% → *ADVANCED EXPERT SYSTEMS LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `06843526`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2009-03-11
- **Registered office:** Woburn House, Vernon Gate, Derby, Derbyshire, DE1 1UL
- **SIC:** 62090

### Officers

- GRIGORIU, Claudiu Mircea — director · British · appointed 2024-10-15
- GRIGORIU, Doina — director · British · appointed 2009-03-11
- GRIGORIU, Marius Sorin — director · British · appointed 2024-10-15
- GRIGORIU, Mircea Marcel, Dr — director · British · appointed 2009-03-11 · resigned 2024-10-15
- WARMISHAM, Barry Charles — director · British · appointed 2009-03-11 · resigned 2009-03-11

### Beneficial owners (Persons with Significant Control)

- Mrs Doina Grigoriu — significant influence or control · individual PSC · England — since 2016-04-06
- [Advanced Expert Systems Limited](https://whiteintel.dev/entity/d456dfa5-7df7-526a-9ecb-a4094343cc00) — 75–100% shares · corporate PSC · England — since 2016-04-06
- Dr Mircea Marcel Grigoriu-Deceased Estate — significant influence or control · individual PSC · England — ceased 2025-12-12

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/06843526
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/06843526

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **AES DEFENCE LIMITED**. Human view: https://whiteintel.dev/entity/307d35f1-2b10-5ced-ba38-ae2cd93a387f · Structured JSON: https://whiteintel.dev/api/public/dossier/307d35f1-2b10-5ced-ba38-ae2cd93a387f._

_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"._