---
title: "MAILSTORK LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a4bf8ddf-d8a1-578d-9f0a-9daa2bc5a2d3
json: https://whiteintel.dev/api/public/dossier/a4bf8ddf-d8a1-578d-9f0a-9daa2bc5a2d3
identifier: oo:GB-COH-12318237
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MAILSTORK LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-12318237`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a4bf8ddf-d8a1-578d-9f0a-9daa2bc5a2d3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a4bf8ddf-d8a1-578d-9f0a-9daa2bc5a2d3  

## Ownership & control

### Owners / controllers

- **Mrs Tracy Mcivor** (beneficial owner) — 75% — https://whiteintel.dev/entity/a9855780-3ba7-5598-b4c3-ca92e7ca84cf
- **Mr Mark Noel Mcivor** (beneficial owner) — 75% — https://whiteintel.dev/entity/24d8983d-3c63-50d5-931f-2567872dca45
- **JONES & HARLINGTON LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/1d618c39-fd44-5493-803e-6ddf75deddbd
- **BIRCH & CALLOWAY LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/a0804f10-6b24-59b0-b895-ac5d2311784c
- **BIRCH & CALLOWAY LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/a0804f10-6b24-59b0-b895-ac5d2311784c
- **JONES & HARLINGTON LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/1d618c39-fd44-5493-803e-6ddf75deddbd
- **Mrs Tracy Mcivor** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/54d12d1d-0b7d-4ccb-a3ff-dcfaceebcea3
- **Mr Mark Noel Mcivor** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/3388c110-7f04-47ed-ae2c-ec0fb2f2ff48

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

A **12-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:** `12318237`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2019-11-18
- **Registered office:** Suite 0587, Unit D3 Mod Village Baron Way, Kingmoor Business Park, Carlisle, CA6 4BU, England
- **SIC:** 18129

### Officers

- MCIVOR, Mark Noel — director · British · appointed 2019-11-18 · resigned 2024-12-02
- MCIVOR, Tracy — director · British · appointed 2019-11-18 · resigned 2024-12-02
- MORTIMER, Karen Lilwyn — director · British · appointed 2024-12-02 · resigned 2025-10-10

### Beneficial owners (Persons with Significant Control)

- [Gpa Klm 24 Ltd](https://whiteintel.dev/entity/1d618c39-fd44-5493-803e-6ddf75deddbd) — 75–100% shares · corporate PSC · England — since 2024-12-02
- [Birch & Calloway Ltd](https://whiteintel.dev/entity/a0804f10-6b24-59b0-b895-ac5d2311784c) — 75–100% shares · corporate PSC · England — ceased 2024-12-02
- Mrs Tracy Mcivor — 50–75% shares · individual PSC · England — ceased 2024-12-02
- Mr Mark Noel Mcivor — 50–75% shares · individual PSC · England — ceased 2024-12-02

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12318237
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12318237

## 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 **MAILSTORK LTD** — https://whiteintel.dev/entity/a4bf8ddf-d8a1-578d-9f0a-9daa2bc5a2d3 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MAILSTORK LTD**. Human view: https://whiteintel.dev/entity/a4bf8ddf-d8a1-578d-9f0a-9daa2bc5a2d3 · Structured JSON: https://whiteintel.dev/api/public/dossier/a4bf8ddf-d8a1-578d-9f0a-9daa2bc5a2d3._

_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"._