---
title: "POLYLINE PROPERTIES LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/62a0510c-9b59-595e-addf-9d930eba811c
json: https://whiteintel.dev/api/public/dossier/62a0510c-9b59-595e-addf-9d930eba811c
identifier: oo:GB-COH-14304804
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# POLYLINE PROPERTIES LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-14304804`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/62a0510c-9b59-595e-addf-9d930eba811c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/62a0510c-9b59-595e-addf-9d930eba811c  

## Ownership & control

### Owners / controllers

- **Mr Gerard Mason** (beneficial owner) — 50% — https://whiteintel.dev/entity/f3cd314b-f45a-5d11-bcc8-4a3404ef3669
- **Mrs Helen Mary Mason** (beneficial owner) — 50% — https://whiteintel.dev/entity/9d9deb92-751e-5410-8e45-857ab80a50f1
- **Mr Gerard Mason** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/a45cf964-e5a9-43ce-9744-a1a051578797
- **Mrs Helen Mary Mason** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/6235d829-27bb-4ca6-94b2-8aa41c67ba9d

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

A **4-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:** `14304804`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2022-08-18
- **Registered office:** 3 Chowley  Court Chowley Oak Business Park, Bolesworth Estates, Chester, CH3 9GA, United Kingdom
- **SIC:** 68100

### Officers

- MASON, Gerard — director · British · appointed 2022-08-18

### Beneficial owners (Persons with Significant Control)

- Mr Gerard Mason — 25–50% shares · individual PSC · United Kingdom — since 2022-08-18
- Mrs Helen Mary Mason — 25–50% shares · individual PSC · United Kingdom — since 2022-08-18

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/14304804
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/14304804

## 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 **POLYLINE PROPERTIES LTD** — https://whiteintel.dev/entity/62a0510c-9b59-595e-addf-9d930eba811c · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **POLYLINE PROPERTIES LTD**. Human view: https://whiteintel.dev/entity/62a0510c-9b59-595e-addf-9d930eba811c · Structured JSON: https://whiteintel.dev/api/public/dossier/62a0510c-9b59-595e-addf-9d930eba811c._

_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"._