---
title: "Costello - Michael G — Ownership Dossier"
canonical: https://whiteintel.dev/entity/457ace4a-e544-5be5-aa90-b2c9a98baff9
json: https://whiteintel.dev/api/public/dossier/457ace4a-e544-5be5-aa90-b2c9a98baff9
identifier: icij:icijol-80052736
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Costello - Michael G

**Type:** Organization  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `icij:icijol-80052736`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/457ace4a-e544-5be5-aa90-b2c9a98baff9  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/457ace4a-e544-5be5-aa90-b2c9a98baff9  

## Ownership & control

### Holdings / subsidiaries

- **Meadowbrook Risk Management Limited** (secretary of) — https://whiteintel.dev/entity/8cfea5b0-4198-570e-8fb9-468d7b97bea2
- **American Indemnity Insurance Company Limited** (secretary of) — https://whiteintel.dev/entity/daceeb26-714a-590e-9a9c-7b8dc177abb8

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/80052736

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Costello - Michael G**. Human view: https://whiteintel.dev/entity/457ace4a-e544-5be5-aa90-b2c9a98baff9 · Structured JSON: https://whiteintel.dev/api/public/dossier/457ace4a-e544-5be5-aa90-b2c9a98baff9._

_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"._