---
title: "SIMPSON MICHAEL — Ownership Dossier"
canonical: https://whiteintel.dev/entity/68dea055-c416-5e46-8a7e-b0e4d98b438b
json: https://whiteintel.dev/api/public/dossier/68dea055-c416-5e46-8a7e-b0e4d98b438b
identifier: sec:0001184782
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SIMPSON MICHAEL

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001184782`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/68dea055-c416-5e46-8a7e-b0e4d98b438b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/68dea055-c416-5e46-8a7e-b0e4d98b438b  

## Ownership & control

### Holdings / subsidiaries

- **A. M. CASTLE & CO.** (director) — https://whiteintel.dev/entity/c3d0f8cd-62c9-59a5-b750-a8c3f4e652e5

## 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 **SIMPSON MICHAEL** — https://whiteintel.dev/entity/68dea055-c416-5e46-8a7e-b0e4d98b438b · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SIMPSON MICHAEL**. Human view: https://whiteintel.dev/entity/68dea055-c416-5e46-8a7e-b0e4d98b438b · Structured JSON: https://whiteintel.dev/api/public/dossier/68dea055-c416-5e46-8a7e-b0e4d98b438b._

_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"._