---
title: "Mrs Marcia Marie Marczynski — Ownership Dossier"
canonical: https://whiteintel.dev/entity/1484006c-421d-4369-b694-cb9c12dfbb7d
json: https://whiteintel.dev/api/public/dossier/1484006c-421d-4369-b694-cb9c12dfbb7d
identifier: psc:M_9bT9U5U3KIiMI65zOsLVwsxHA
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mrs Marcia Marie Marczynski

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:M_9bT9U5U3KIiMI65zOsLVwsxHA`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/1484006c-421d-4369-b694-cb9c12dfbb7d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/1484006c-421d-4369-b694-cb9c12dfbb7d  

## Ownership & control

### Holdings / subsidiaries

- **J D WILLIAMS DEVELOPMENTS LTD** (beneficial owner) — https://whiteintel.dev/entity/337c8822-8e35-5fc4-8151-0ea9467ae606

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mrs Marcia Marie Marczynski**. Human view: https://whiteintel.dev/entity/1484006c-421d-4369-b694-cb9c12dfbb7d · Structured JSON: https://whiteintel.dev/api/public/dossier/1484006c-421d-4369-b694-cb9c12dfbb7d._

_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"._