---
title: "A.H BALDWIN & SONS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a3fb6324-ec88-5e92-9155-2dcd394e8e2e
json: https://whiteintel.dev/api/public/dossier/a3fb6324-ec88-5e92-9155-2dcd394e8e2e
identifier: oo:GB-COH-16205337
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# A.H BALDWIN & SONS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-16205337`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a3fb6324-ec88-5e92-9155-2dcd394e8e2e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a3fb6324-ec88-5e92-9155-2dcd394e8e2e  

## Ownership & control

### Owners / controllers

- **STANLEY GIBBONS BALDWINS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/499d9c51-434f-559b-8c70-0f81141f8bb4
- **Castelnau Group Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/04708d5b-4bf5-40fe-b300-34bea4a2f18f

### 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:** `16205337`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2025-01-24
- **Registered office:** 399 Strand, London, WC2R 0LP, United Kingdom
- **SIC:** 99999

### Officers

- HUGHES-WARD, Jenni Louise — director · British · appointed 2025-01-24

### Beneficial owners (Persons with Significant Control)

- [Castelnau Group Limited](https://whiteintel.dev/entity/04708d5b-4bf5-40fe-b300-34bea4a2f18f) — 75–100% shares · corporate PSC · Guernsey — since 2025-01-24
- [Stanley Gibbons Baldwins Limited](https://whiteintel.dev/entity/499d9c51-434f-559b-8c70-0f81141f8bb4) — 75–100% shares · corporate PSC · United Kingdom — ceased 2025-01-24

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/16205337
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/16205337

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **A.H BALDWIN & SONS LIMITED**. Human view: https://whiteintel.dev/entity/a3fb6324-ec88-5e92-9155-2dcd394e8e2e · Structured JSON: https://whiteintel.dev/api/public/dossier/a3fb6324-ec88-5e92-9155-2dcd394e8e2e._

_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"._