---
title: "Mrs Sandra Maddalena Teresa Johnstone — Ownership Dossier"
canonical: https://whiteintel.dev/entity/eeb12df5-fdc0-50a9-96ae-62e66071f2cd
json: https://whiteintel.dev/api/public/dossier/eeb12df5-fdc0-50a9-96ae-62e66071f2cd
identifier: oo-person:GB-COH-PER-05263130-RkhJg0f-ZajlApapyAeQ22bjrpQ
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mrs Sandra Maddalena Teresa Johnstone

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-05263130-RkhJg0f-ZajlApapyAeQ22bjrpQ`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/eeb12df5-fdc0-50a9-96ae-62e66071f2cd  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/eeb12df5-fdc0-50a9-96ae-62e66071f2cd  

## Ownership & control

### Holdings / subsidiaries

- **TRIBO - SYNTHETICS LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/5377d732-7094-580c-90a8-dcd93d62f6ee

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mrs Sandra Maddalena Teresa Johnstone**. Human view: https://whiteintel.dev/entity/eeb12df5-fdc0-50a9-96ae-62e66071f2cd · Structured JSON: https://whiteintel.dev/api/public/dossier/eeb12df5-fdc0-50a9-96ae-62e66071f2cd._

_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"._