---
title: "CALMAC TYRES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/72170e41-5ea3-57b2-baa0-e440b1716e23
json: https://whiteintel.dev/api/public/dossier/72170e41-5ea3-57b2-baa0-e440b1716e23
identifier: oo:GB-COH-06105830
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CALMAC TYRES LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-06105830`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/72170e41-5ea3-57b2-baa0-e440b1716e23  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/72170e41-5ea3-57b2-baa0-e440b1716e23  

## Ownership & control

### Owners / controllers

- **Mr Mark Andrew O'Callaghan** (beneficial owner) — 50% — https://whiteintel.dev/entity/d0ef0cc9-7302-5386-8191-247035efcc6f
- **Mrs Colleen O'Callaghan** (beneficial owner) — 50% — https://whiteintel.dev/entity/d04f494a-4021-56d9-ad19-12fbf184dc4f
- **Mrs Colleen O'Callaghan** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/c5403e4e-7f80-4734-abef-d8de3524cf27
- **Mr Mark Andrew O'Callaghan** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/dd45dc32-d984-40b5-a53e-16ae1d66bda9

### 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:** `06105830`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2007-02-14
- **Registered office:** 15 High Street, Brackley, Northamptonshire, NN13 7DH, England
- **SIC:** 45200

### Officers

- O'CALLAGHAN, Colleen — secretary · British · appointed 2007-02-14
- O'CALLAGHAN, Colleen — director · Canadian · appointed 2020-02-14
- O'CALLAGHAN, Mark Andrew — director · British · appointed 2007-02-14

### Beneficial owners (Persons with Significant Control)

- Mr Mark Andrew O'Callaghan — 25–50% shares · individual PSC · England — since 2016-04-06
- Mrs Colleen O'Callaghan — 25–50% shares · individual PSC · England — since 2016-04-06

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/06105830
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/06105830

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CALMAC TYRES LIMITED**. Human view: https://whiteintel.dev/entity/72170e41-5ea3-57b2-baa0-e440b1716e23 · Structured JSON: https://whiteintel.dev/api/public/dossier/72170e41-5ea3-57b2-baa0-e440b1716e23._

_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"._