---
title: "Michael James Grinham — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2aed0da5-6eb3-58dc-933a-bc9fcbcfed05
json: https://whiteintel.dev/api/public/dossier/2aed0da5-6eb3-58dc-933a-bc9fcbcfed05
identifier: oo-person:GB-COH-PER-07568611-Jgmvz05QObmOUQ31F3eN7Z4Cmo4
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Michael James Grinham

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `oo-person:GB-COH-PER-07568611-Jgmvz05QObmOUQ31F3eN7Z4Cmo4`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2aed0da5-6eb3-58dc-933a-bc9fcbcfed05  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2aed0da5-6eb3-58dc-933a-bc9fcbcfed05  

## Ownership & control

### Holdings / subsidiaries

- **AVALON LANDSCAPES & DESIGN LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/70bdba06-e36d-56ef-a3be-73ae51fb7612

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Michael James Grinham**. Human view: https://whiteintel.dev/entity/2aed0da5-6eb3-58dc-933a-bc9fcbcfed05 · Structured JSON: https://whiteintel.dev/api/public/dossier/2aed0da5-6eb3-58dc-933a-bc9fcbcfed05._

_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"._