---
title: "J.C.G PRECISION MASONRY LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/1ae3ef2a-6cbe-4e69-b4d4-b3916aa73589
json: https://whiteintel.dev/api/public/dossier/1ae3ef2a-6cbe-4e69-b4d4-b3916aa73589
identifier: gb-coh:17229900
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# J.C.G PRECISION MASONRY LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `gb-coh:17229900`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/1ae3ef2a-6cbe-4e69-b4d4-b3916aa73589  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/1ae3ef2a-6cbe-4e69-b4d4-b3916aa73589  

## Ownership & control

### Owners / controllers

- **Callum John Windsor** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/b2371acf-2804-4ddd-b39e-5fd573847e10
- **Jacob Lee Olver** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/926a2bf5-6c49-48dd-ba66-9dde12e4a728

### 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:** `17229900`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2026-05-19
- **Registered office:** 8 Hazelmead, Liskeard, Cornwall, PL14 4PY, England
- **SIC:** 41202

### Officers

- DELF, George Jack — director · British · appointed 2026-05-19
- OLVER, Jacob Lee — director · British · appointed 2026-05-19
- WINDSOR, Callum John — director · British · appointed 2026-05-19

### Beneficial owners (Persons with Significant Control)

- Callum John Windsor — 25–50% shares · individual PSC · England — since 2026-05-19
- Jacob Lee Olver — 25–50% shares · individual PSC · England — since 2026-05-19

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/17229900

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **J.C.G PRECISION MASONRY LTD**. Human view: https://whiteintel.dev/entity/1ae3ef2a-6cbe-4e69-b4d4-b3916aa73589 · Structured JSON: https://whiteintel.dev/api/public/dossier/1ae3ef2a-6cbe-4e69-b4d4-b3916aa73589._

_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"._