---
title: "Porteous William — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d4fe5e35-e2e1-5056-9072-70b306df38ad
json: https://whiteintel.dev/api/public/dossier/d4fe5e35-e2e1-5056-9072-70b306df38ad
identifier: sec:0001856453
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Porteous William

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001856453`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d4fe5e35-e2e1-5056-9072-70b306df38ad  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d4fe5e35-e2e1-5056-9072-70b306df38ad  

## Ownership & control

### Holdings / subsidiaries

- **Spire Global, Inc.** (director) — https://whiteintel.dev/entity/7cc2558a-b419-5237-b38e-a1d321727b7d
- **Spire Global, Inc.** (director) — https://whiteintel.dev/entity/7cc2558a-b419-5237-b38e-a1d321727b7d

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Porteous William**. Human view: https://whiteintel.dev/entity/d4fe5e35-e2e1-5056-9072-70b306df38ad · Structured JSON: https://whiteintel.dev/api/public/dossier/d4fe5e35-e2e1-5056-9072-70b306df38ad._

_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"._