---
title: "SEABRIDGE HALL MANAGEMENT COMPANY SERVICES — Ownership Dossier"
canonical: https://whiteintel.dev/entity/f4e732c4-e77c-5943-9ee8-358a450be8a5
json: https://whiteintel.dev/api/public/dossier/f4e732c4-e77c-5943-9ee8-358a450be8a5
identifier: oo:GB-COH-12483249
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SEABRIDGE HALL MANAGEMENT COMPANY SERVICES

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-12483249`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/f4e732c4-e77c-5943-9ee8-358a450be8a5  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/f4e732c4-e77c-5943-9ee8-358a450be8a5  

## Ownership & control

### Owners / controllers

- **David Sayer** (beneficial owner) — 100% — https://whiteintel.dev/entity/5d36efeb-a6b5-5011-98d7-2b00e6a718dc
- **David Sayer** (beneficial owner) — https://whiteintel.dev/entity/bf3bebad-e44b-463b-ace1-f1cb54f0e8cf

### 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:** `12483249`
- **Status:** active
- **Type:** private limited guarant nsc limited exemption
- **Incorporated:** 2020-02-25
- **Registered office:** 324 Liverpool Road, Newcastle-Under-Lyme, Staffordshire, ST5 9DY, United Kingdom
- **SIC:** 98000

### Officers

- BOSSONS, George Darren — director · British · appointed 2020-02-25
- SAYER, David — director · British · appointed 2020-02-25
- CARTWRIGHT, Alan Neil — director · British · appointed 2020-02-25 · resigned 2026-02-24

### Beneficial owners (Persons with Significant Control)

- David Sayer — 75–100% votes · individual PSC · United Kingdom — since 2020-02-25

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12483249
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12483249

## 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 **SEABRIDGE HALL MANAGEMENT COMPANY SERVICES** — https://whiteintel.dev/entity/f4e732c4-e77c-5943-9ee8-358a450be8a5 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SEABRIDGE HALL MANAGEMENT COMPANY SERVICES**. Human view: https://whiteintel.dev/entity/f4e732c4-e77c-5943-9ee8-358a450be8a5 · Structured JSON: https://whiteintel.dev/api/public/dossier/f4e732c4-e77c-5943-9ee8-358a450be8a5._

_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"._