---
title: "GEMSTONERIVER LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/55e1c6d8-2c45-53e4-bb4e-d4a3e0872049
json: https://whiteintel.dev/api/public/dossier/55e1c6d8-2c45-53e4-bb4e-d4a3e0872049
identifier: oo:GB-COH-11667971
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GEMSTONERIVER LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-11667971`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/55e1c6d8-2c45-53e4-bb4e-d4a3e0872049  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/55e1c6d8-2c45-53e4-bb4e-d4a3e0872049  

## Ownership & control

### Owners / controllers

- **Ms Sylvia Da Silva** (beneficial owner) — 100% — https://whiteintel.dev/entity/d30ff559-3e64-57c5-8ef4-eefec01bac36
- **Ms Sylvia Da Silva** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/2916b4e9-1efb-4cf5-a681-8a01ce7f56e0

### 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:** `11667971`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2018-11-08
- **Registered office:** 71-75 Shelton Street, London, Greater London, WC2H 9JQ, United Kingdom
- **SIC:** 46160, 46190, 46420, 47910

### Officers

- DA SILVA, Sylvia — secretary · appointed 2018-11-08
- DA SILVA, Sylvia — director · British · appointed 2018-11-08

### Beneficial owners (Persons with Significant Control)

- Ms Sylvia Da Silva — 75–100% shares · individual PSC · United Kingdom — since 2018-11-08

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/11667971
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/11667971

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GEMSTONERIVER LTD**. Human view: https://whiteintel.dev/entity/55e1c6d8-2c45-53e4-bb4e-d4a3e0872049 · Structured JSON: https://whiteintel.dev/api/public/dossier/55e1c6d8-2c45-53e4-bb4e-d4a3e0872049._

_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"._