---
title: "KEYSTONE LINTELS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/cf2c3f33-cfc3-59e6-bbda-ced4ea06f359
json: https://whiteintel.dev/api/public/dossier/cf2c3f33-cfc3-59e6-bbda-ced4ea06f359
identifier: oo:GB-COH-NI021988
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# KEYSTONE LINTELS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-NI021988`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/cf2c3f33-cfc3-59e6-bbda-ced4ea06f359  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/cf2c3f33-cfc3-59e6-bbda-ced4ea06f359  

## Ownership & control

### Owners / controllers

- **Mr Sean Plunkett Coyle** (beneficial owner) — 100% — https://whiteintel.dev/entity/dc91d7d7-c4c8-5763-b61c-7dbe35b052cc
- **Mr Sean Plunkett Coyle** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/16b08719-932e-479d-9060-8fc5e07f4e55
- **KEYSTONE HOLDING LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/3b75a048-16dc-5aec-b934-13fa691977a3

### Holdings / subsidiaries

- **STOCKGAP LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/a7fe6907-88b9-5e45-bbfb-6066c926dc92

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

A **17-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:** `NI021988`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1988-10-03
- **Registered office:** Ballyreagh Industrial Estate, Sandholes Road, Cookstown, County Tyrone, BT80 9DG
- **SIC:** 25110

### Officers

- COYLE, Sean Robert — secretary · appointed 2020-09-01
- COYLE, Owen Michael — director · Northern Irish · appointed 2020-09-01
- COYLE, Sean Robert — director · Irish · appointed 2013-11-23
- DUFFIN, John Patrick — director · Irish · appointed 2004-02-23
- KELLY, Eithne Margaret — director · Northern Irish · appointed 2001-05-07
- MCFARLAND, Derrick — director · British · appointed 2001-05-07
- COYLE, Sean Plunkett — secretary · British · appointed 1988-10-03 · resigned 2020-09-01
- COARY, Margaret Bernadette — director · British · appointed 2013-11-23 · resigned 2020-01-01
- COARY, Margaret Bernadette — director · British · appointed 2010-11-24 · resigned 2011-12-31
- COYLE, Sean Plunkett — director · British · appointed 1988-10-03 · resigned 2020-09-01
- DOWELL, William Arthur — director · British · appointed 2003-05-01 · resigned 2009-08-31
- LAVERTY, Eamonn Francis — director · Northern Irish · appointed 1988-10-03 · resigned 2013-07-08
- MCALEER, Seamus (James) — director · Northern Irish · appointed 1988-10-03 · resigned 2013-07-08
- MUZZLEWHITE, Darren Adrian — director · British · appointed 2004-10-13 · resigned 2009-12-31
- NEAL, Andrew — director · British · appointed 2013-11-23 · resigned 2020-06-01
- O'CALLAGHAN, Gerard Austin — director · Irish · appointed 2010-11-24 · resigned 2015-12-31

### Beneficial owners (Persons with Significant Control)

- [Keystone Holding Ltd](https://whiteintel.dev/entity/3b75a048-16dc-5aec-b934-13fa691977a3) — 75–100% shares · corporate PSC · Northern Ireland — since 2022-04-20
- Mr Sean Plunkett Coyle — 75–100% shares · individual PSC — ceased 2023-01-01

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/NI021988
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/NI021988

## 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 **KEYSTONE LINTELS LIMITED** — https://whiteintel.dev/entity/cf2c3f33-cfc3-59e6-bbda-ced4ea06f359 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **KEYSTONE LINTELS LIMITED**. Human view: https://whiteintel.dev/entity/cf2c3f33-cfc3-59e6-bbda-ced4ea06f359 · Structured JSON: https://whiteintel.dev/api/public/dossier/cf2c3f33-cfc3-59e6-bbda-ced4ea06f359._

_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"._