---
title: "GRINDON GATE LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a97e5cbe-c547-5299-af9c-10dcb1ed89d1
json: https://whiteintel.dev/api/public/dossier/a97e5cbe-c547-5299-af9c-10dcb1ed89d1
identifier: oo:GB-COH-12754336
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GRINDON GATE LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-12754336`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a97e5cbe-c547-5299-af9c-10dcb1ed89d1  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a97e5cbe-c547-5299-af9c-10dcb1ed89d1  

## Ownership & control

### Owners / controllers

- **Mr Simon Tuckwell** (beneficial owner) — 100% — https://whiteintel.dev/entity/ffb71065-9eec-5d0c-8010-2940d8af55ee
- **Mr Simon Tuckwell** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c0df1042-118e-450c-a2eb-65e3eafdb335

### Holdings / subsidiaries

- **ARCHITECTURAL GLASS AND ALUMINIUM LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/9b489f65-b8bc-5d45-bbe6-b6a879d3bb70
- **ARCHITECTURAL GLASS AND ALUMINIUM LIMITED** (beneficial owner) — https://whiteintel.dev/entity/9b489f65-b8bc-5d45-bbe6-b6a879d3bb70

### UBO chain (walk to the ultimate owner)

A **2-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Company profile (live · UK Companies House)

- **Company number:** `12754336`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2020-07-20
- **Registered office:** Unit 2, Jade Business Park, Spring Road, Murton, County Durham, SR7 9DR, United Kingdom
- **SIC:** 64209

### Officers

- TUCKWELL, Simon — director · British · appointed 2020-07-20

### Beneficial owners (Persons with Significant Control)

- Mr Simon Tuckwell — 75–100% shares · individual PSC · United Kingdom — since 2020-07-20

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12754336
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12754336

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **GRINDON GATE LIMITED** — https://whiteintel.dev/entity/a97e5cbe-c547-5299-af9c-10dcb1ed89d1 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GRINDON GATE LIMITED**. Human view: https://whiteintel.dev/entity/a97e5cbe-c547-5299-af9c-10dcb1ed89d1 · Structured JSON: https://whiteintel.dev/api/public/dossier/a97e5cbe-c547-5299-af9c-10dcb1ed89d1._

_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"._