---
title: "Jamie Costello — Ownership Dossier"
canonical: https://whiteintel.dev/entity/5225e7f9-2046-487b-ac72-2beebd2b95a0
json: https://whiteintel.dev/api/public/dossier/5225e7f9-2046-487b-ac72-2beebd2b95a0
identifier: psc:89tImcIyFTEFdVR_G4Gy4DCWfyQ
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Jamie Costello

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:89tImcIyFTEFdVR_G4Gy4DCWfyQ`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/5225e7f9-2046-487b-ac72-2beebd2b95a0  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/5225e7f9-2046-487b-ac72-2beebd2b95a0  

## Ownership & control

### Holdings / subsidiaries

- **TAYO.AI LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/1066fdd2-305f-5772-b800-3b00244cb7a0

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Jamie Costello**. Human view: https://whiteintel.dev/entity/5225e7f9-2046-487b-ac72-2beebd2b95a0 · Structured JSON: https://whiteintel.dev/api/public/dossier/5225e7f9-2046-487b-ac72-2beebd2b95a0._

_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"._