---
title: "ADVATEC UK LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/00a5598d-b49d-5c1a-a818-f3df27dc0dbb
json: https://whiteintel.dev/api/public/dossier/00a5598d-b49d-5c1a-a818-f3df27dc0dbb
identifier: oo:GB-COH-15500253
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ADVATEC UK LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-15500253`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/00a5598d-b49d-5c1a-a818-f3df27dc0dbb  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/00a5598d-b49d-5c1a-a818-f3df27dc0dbb  

## Ownership & control

### Owners / controllers

- **Mr Ralph Allen Sheridan** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/32208e5b-c14f-42ce-b7df-11ac25aee910

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

A **1-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:** `15500253`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2024-02-18
- **Registered office:** 71-75 Shelton Street, Covent Garden, London, WC2H 9JQ, United Kingdom
- **SIC:** 49410

### Officers

- SHERIDAN, Ralph — secretary · appointed 2024-02-18
- SHERIDAN, Ralph Allen — director · British · appointed 2024-02-18

### Beneficial owners (Persons with Significant Control)

- Mr Ralph Allen Sheridan — 75–100% shares · individual PSC · United Kingdom — since 2024-02-18

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/15500253
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/15500253

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ADVATEC UK LTD**. Human view: https://whiteintel.dev/entity/00a5598d-b49d-5c1a-a818-f3df27dc0dbb · Structured JSON: https://whiteintel.dev/api/public/dossier/00a5598d-b49d-5c1a-a818-f3df27dc0dbb._

_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"._