---
title: "Mr Mark Henderson Grant — Ownership Dossier"
canonical: https://whiteintel.dev/entity/15471699-ee02-4475-9941-9af3fe2e69cb
json: https://whiteintel.dev/api/public/dossier/15471699-ee02-4475-9941-9af3fe2e69cb
identifier: psc:yaV3OPX1qB_ucDcHQF5grlZ5hrw
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Mark Henderson Grant

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:yaV3OPX1qB_ucDcHQF5grlZ5hrw`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/15471699-ee02-4475-9941-9af3fe2e69cb  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/15471699-ee02-4475-9941-9af3fe2e69cb  

## Ownership & control

### Holdings / subsidiaries

- **HYPERFAST MEDIA LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/0fc38fc3-59d2-5bcc-ae46-07479936aad3

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Mark Henderson Grant**. Human view: https://whiteintel.dev/entity/15471699-ee02-4475-9941-9af3fe2e69cb · Structured JSON: https://whiteintel.dev/api/public/dossier/15471699-ee02-4475-9941-9af3fe2e69cb._

_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"._