---
title: "CHALLONER BUILDING SERVICES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/efd008fa-b40c-596f-8c79-1197b6a8794c
json: https://whiteintel.dev/api/public/dossier/efd008fa-b40c-596f-8c79-1197b6a8794c
identifier: oo:GB-COH-12083489
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CHALLONER BUILDING SERVICES LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-12083489`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/efd008fa-b40c-596f-8c79-1197b6a8794c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/efd008fa-b40c-596f-8c79-1197b6a8794c  

## Ownership & control

### Owners / controllers

- **Mr Simon James Challoner** (beneficial owner) — 100% — https://whiteintel.dev/entity/2c194a4f-abac-5e98-835d-becb07bc4b35
- **Mr Simon James Challoner** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/1f109c8c-3f4d-427e-9613-9a9731c7cdb5

### Holdings / subsidiaries

- **CHALLONER TRANSPORT LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/b95dd229-f43c-5b20-832b-70d91f14dcbd
- **CHALLONER TRANSPORT LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/b95dd229-f43c-5b20-832b-70d91f14dcbd

### 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:** `12083489`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2019-07-03
- **Registered office:** Cromwell House, Crusader Road, Lincoln, LN6 7YT, England
- **SIC:** 43390

### Officers

- CHALLONER, Simon James — director · British · appointed 2019-07-03
- GLENN, Rose — director · British · appointed 2022-11-29 · resigned 2026-01-20

### Beneficial owners (Persons with Significant Control)

- Mr Simon James Challoner — 75–100% shares · individual PSC · England — since 2019-07-03

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12083489
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12083489

## 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 **CHALLONER BUILDING SERVICES LIMITED** — https://whiteintel.dev/entity/efd008fa-b40c-596f-8c79-1197b6a8794c · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CHALLONER BUILDING SERVICES LIMITED**. Human view: https://whiteintel.dev/entity/efd008fa-b40c-596f-8c79-1197b6a8794c · Structured JSON: https://whiteintel.dev/api/public/dossier/efd008fa-b40c-596f-8c79-1197b6a8794c._

_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"._