---
title: "Mrs Janet Margaret Haestier — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3977a451-e70a-531a-b5c9-cd7275046f01
json: https://whiteintel.dev/api/public/dossier/3977a451-e70a-531a-b5c9-cd7275046f01
identifier: oo-person:GB-COH-PER-03691312-o2j97GLAdIrXPhbSTIVe_xS7P2U
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mrs Janet Margaret Haestier

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-03691312-o2j97GLAdIrXPhbSTIVe_xS7P2U`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3977a451-e70a-531a-b5c9-cd7275046f01  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3977a451-e70a-531a-b5c9-cd7275046f01  

## Ownership & control

### Holdings / subsidiaries

- **GROSVENOR CONSTRUCTION (READING) LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/4b8fe74c-3564-5c79-b2f9-116ed30e215e

## Provenance

- OpenOwnership — https://www.openownership.org

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mrs Janet Margaret Haestier**. Human view: https://whiteintel.dev/entity/3977a451-e70a-531a-b5c9-cd7275046f01 · Structured JSON: https://whiteintel.dev/api/public/dossier/3977a451-e70a-531a-b5c9-cd7275046f01._

_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"._