---
title: "COMPLEMENTARY COMPANY LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/30b94c34-3eaa-5ff4-8a87-2063bf32bf4b
json: https://whiteintel.dev/api/public/dossier/30b94c34-3eaa-5ff4-8a87-2063bf32bf4b
identifier: oo:GB-COH-04619574
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# COMPLEMENTARY COMPANY LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-04619574`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/30b94c34-3eaa-5ff4-8a87-2063bf32bf4b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/30b94c34-3eaa-5ff4-8a87-2063bf32bf4b  

## Ownership & control

### Owners / controllers

- **QA DIRECTORS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/5408b442-3caa-5365-b44a-88006fc0a0c9
- **Mr Graham Michael Cowan** (beneficial owner) — https://whiteintel.dev/entity/3f06004e-114a-51d4-84bd-283207ec246f
- **Mr Graham Michael Cowan** (beneficial owner) — https://whiteintel.dev/entity/3c4c4745-351d-475c-8e7a-418d2fa00995
- **QA DIRECTORS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/5408b442-3caa-5365-b44a-88006fc0a0c9

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

A **15-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:** `04619574`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2002-12-17
- **Registered office:** Suite Q, Athene House, 86 The Broadway, London, NW7 3TD, United Kingdom
- **SIC:** 99999

### Officers

- LEVY, Simon Mark — director · British · appointed 2023-12-07
- [ACCESS REGISTRARS LIMITED](https://whiteintel.dev/entity/ec7014df-a94b-4c2b-a7f3-9274269bd0f8) — corporate secretary · appointed 2003-12-17 · resigned 2023-05-26
- QA REGISTRARS LIMITED — corporate nominee secretary · appointed 2002-12-17 · resigned 2003-12-17
- COWAN, Graham Michael — director · British · appointed 2010-10-01 · resigned 2023-12-07
- ACCESS NOMINEES LIMITED — corporate director · appointed 2003-12-17 · resigned 2023-09-01
- QA NOMINEES LIMITED — corporate nominee director · appointed 2002-12-17 · resigned 2003-12-17

### Beneficial owners (Persons with Significant Control)

- [Qa Directors Limited](https://whiteintel.dev/entity/5408b442-3caa-5365-b44a-88006fc0a0c9) — 75–100% shares · corporate PSC · United Kingdom — since 2023-12-07
- Mr Graham Michael Cowan — significant influence or control · individual PSC · United Kingdom — ceased 2023-12-07

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/04619574
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/04619574

## 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 **COMPLEMENTARY COMPANY LIMITED** — https://whiteintel.dev/entity/30b94c34-3eaa-5ff4-8a87-2063bf32bf4b · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **COMPLEMENTARY COMPANY LIMITED**. Human view: https://whiteintel.dev/entity/30b94c34-3eaa-5ff4-8a87-2063bf32bf4b · Structured JSON: https://whiteintel.dev/api/public/dossier/30b94c34-3eaa-5ff4-8a87-2063bf32bf4b._

_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"._