---
title: "Denis John O'Brien — Ownership Dossier"
canonical: https://whiteintel.dev/entity/905f28c0-1b2b-58ff-867c-e7b84e3e3aa9
json: https://whiteintel.dev/api/public/dossier/905f28c0-1b2b-58ff-867c-e7b84e3e3aa9
identifier: oo-person:GB-COH-PER-13307080-omt-2JpAhMlcU0qDBlpVuR6NV9w
jurisdiction: IE
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Denis John O'Brien

**Type:** Person  
**Jurisdiction:** IE  
**Identifier:** `oo-person:GB-COH-PER-13307080-omt-2JpAhMlcU0qDBlpVuR6NV9w`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/905f28c0-1b2b-58ff-867c-e7b84e3e3aa9  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/905f28c0-1b2b-58ff-867c-e7b84e3e3aa9  

## Ownership & control

### Holdings / subsidiaries

- **BROADCLYST ENERGY STORAGE LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/b6dbf173-7194-5c8a-9be0-1e06cb3cd5f0

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Denis John O'Brien**. Human view: https://whiteintel.dev/entity/905f28c0-1b2b-58ff-867c-e7b84e3e3aa9 · Structured JSON: https://whiteintel.dev/api/public/dossier/905f28c0-1b2b-58ff-867c-e7b84e3e3aa9._

_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"._