---
title: "ARTHUR E.MASON LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/efd78e8a-a4ee-548d-90c9-1cad9dc5ab22
json: https://whiteintel.dev/api/public/dossier/efd78e8a-a4ee-548d-90c9-1cad9dc5ab22
identifier: oo:GB-COH-00782494
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ARTHUR E.MASON LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-00782494`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/efd78e8a-a4ee-548d-90c9-1cad9dc5ab22  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/efd78e8a-a4ee-548d-90c9-1cad9dc5ab22  

## Ownership & control

### Owners / controllers

- **ASPEN PUMPS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/b81dfec0-3fbb-5f33-9f77-5aa951d87cd0
- **Mr Kenneth John Mason** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/bec4f775-c576-4cfa-b4a2-189b398392e5
- **Mr Neville Anthony Mason** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/db430351-132a-4d3e-842a-c55c0a2d446c
- **ASPEN PUMPS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/b81dfec0-3fbb-5f33-9f77-5aa951d87cd0

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

A **21-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:** `00782494`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1963-11-27
- **Registered office:** Aspen Building, Apex Way, Hailsham, BN27 3WA, England
- **SIC:** 22290

### Officers

- MASON, Kenneth John — secretary · British · appointed 2004-11-19
- HINDLE, Brendan — director · British · appointed 2023-09-26
- MARTIN, Walter Andrew Cecil — director · British · appointed 2023-03-24
- MASON, Kenneth John — director · British
- MASON, Marjorie Edna — secretary · British · resigned 2004-11-19
- MASON, Anthony Arthur — director · British · resigned 2002-05-16
- MASON, Marjorie Edna — director · British · resigned 2003-09-03
- MASON, Neville Anthony — director · British · appointed 1996-06-01 · resigned 2023-03-24
- MASON, Robert Arthur — director · British · resigned 1993-09-08
- WAKELIN, Andrew — director · British · appointed 2023-03-24 · resigned 2023-09-26

### Beneficial owners (Persons with Significant Control)

- [Aspen Pumps Limited](https://whiteintel.dev/entity/b81dfec0-3fbb-5f33-9f77-5aa951d87cd0) — 75–100% shares · corporate PSC · England — since 2023-03-24
- Mr Neville Anthony Mason — 25–50% shares · individual PSC · England — ceased 2023-03-24
- Mr Kenneth John Mason — 25–50% shares · individual PSC · England — ceased 2016-12-07

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/00782494
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/00782494

## 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 **ARTHUR E.MASON LIMITED** — https://whiteintel.dev/entity/efd78e8a-a4ee-548d-90c9-1cad9dc5ab22 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ARTHUR E.MASON LIMITED**. Human view: https://whiteintel.dev/entity/efd78e8a-a4ee-548d-90c9-1cad9dc5ab22 · Structured JSON: https://whiteintel.dev/api/public/dossier/efd78e8a-a4ee-548d-90c9-1cad9dc5ab22._

_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"._