---
title: "ALCO VALVES HOLDINGS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/29419a66-d018-5419-bc28-3fee8407e514
json: https://whiteintel.dev/api/public/dossier/29419a66-d018-5419-bc28-3fee8407e514
identifier: oo:GB-COH-12707537
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ALCO VALVES HOLDINGS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-12707537`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/29419a66-d018-5419-bc28-3fee8407e514  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/29419a66-d018-5419-bc28-3fee8407e514  

## Ownership & control

### Owners / controllers

- **Mark John Sargent** (beneficial owner) — 100% — https://whiteintel.dev/entity/1fb3dba3-f8f0-528f-9865-ebc23391a594
- **Mark John Sargent** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/8015e03a-89b7-4cfc-a1f5-45ceaaf91545

### Holdings / subsidiaries

- **SABRE INSTRUMENT VALVES LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/97c11eef-6ab0-5b1b-a0e3-87ef3139c1bb
- **ALCO HI-TEK LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/15107108-3d8a-5cf4-b43c-128f632a541c
- **ALCO VALVES GROUP LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/059a4062-5eb1-5fe7-962d-f68b7907d5a3
- **ALCO VALVES LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/3e0c48a4-137d-5c11-80c7-3b16fc9622ea
- **ALCO VALVES LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/3e0c48a4-137d-5c11-80c7-3b16fc9622ea
- **ALCO HI-TEK LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/15107108-3d8a-5cf4-b43c-128f632a541c
- **SABRE INSTRUMENT VALVES LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/97c11eef-6ab0-5b1b-a0e3-87ef3139c1bb
- **ALCO VALVES GROUP LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/059a4062-5eb1-5fe7-962d-f68b7907d5a3

### 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.

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12707537
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12707537

## 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 **ALCO VALVES HOLDINGS LIMITED** — https://whiteintel.dev/entity/29419a66-d018-5419-bc28-3fee8407e514 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ALCO VALVES HOLDINGS LIMITED**. Human view: https://whiteintel.dev/entity/29419a66-d018-5419-bc28-3fee8407e514 · Structured JSON: https://whiteintel.dev/api/public/dossier/29419a66-d018-5419-bc28-3fee8407e514._

_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"._