---
title: "THOMAS CALLUM LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/eaabbddf-4d53-5dd5-a989-2b2b72157ab8
json: https://whiteintel.dev/api/public/dossier/eaabbddf-4d53-5dd5-a989-2b2b72157ab8
identifier: oo:GB-COH-14634662
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# THOMAS CALLUM LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-14634662`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/eaabbddf-4d53-5dd5-a989-2b2b72157ab8  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/eaabbddf-4d53-5dd5-a989-2b2b72157ab8  

## Ownership & control

### Owners / controllers

- **Mr Mark Adam Malyon** (beneficial owner) — 50% — https://whiteintel.dev/entity/097dd130-a895-582a-8f88-f58808de32be
- **Mrs Tracey Malyon** (beneficial owner) — 50% — https://whiteintel.dev/entity/7171bffd-61a7-5751-a38e-9e40c659376f
- **Mrs Tracey Malyon** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/e7ab5b94-14f8-42fa-b267-2a4c30abd8f1
- **Mr Mark Adam Malyon** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/fc931ddc-e49e-4114-8c70-202654c270a7

### 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:** `14634662`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2023-02-02
- **Registered office:** The Coach House Unit 42 St Marys Business Centre, 66-70 Bourne Road, Bexley Kent, Kent, DA5 1LU, United Kingdom
- **SIC:** 68209

### Officers

- MALYON, Mark Adam — director · British · appointed 2023-02-02
- MALYON, Tracey — director · British · appointed 2023-02-02

### Beneficial owners (Persons with Significant Control)

- Mr Mark Adam Malyon — 25–50% shares · individual PSC · England — since 2023-02-02
- Mrs Tracey Malyon — 25–50% shares · individual PSC · England — since 2023-02-02

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/14634662
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/14634662

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **THOMAS CALLUM LIMITED**. Human view: https://whiteintel.dev/entity/eaabbddf-4d53-5dd5-a989-2b2b72157ab8 · Structured JSON: https://whiteintel.dev/api/public/dossier/eaabbddf-4d53-5dd5-a989-2b2b72157ab8._

_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"._