---
title: "WHITEMOUNTAIN QUARRIES LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a94dae4e-2f6d-520a-8675-6aeebe090af5
json: https://whiteintel.dev/api/public/dossier/a94dae4e-2f6d-520a-8675-6aeebe090af5
identifier: oo:GB-COH-NI018140
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# WHITEMOUNTAIN QUARRIES LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-NI018140`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a94dae4e-2f6d-520a-8675-6aeebe090af5  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a94dae4e-2f6d-520a-8675-6aeebe090af5  

## Cross-source identity

The same real-world entity, resolved across sources:

- **Whitemountain Quarries Ltd** — GLEIF · `lei:635400P4OCN8QPDSGD28` — https://whiteintel.dev/entity/9e6e6133-8dc9-5d41-aa44-38694811a7d4

## Ownership & control

### Owners / controllers

- **Breedon Group Plc** (beneficial owner) — 100% — https://whiteintel.dev/entity/84ce57cd-bd41-5c66-a072-368437ca06e4
- **Mr Sean Gerard Mccann** (beneficial owner) — 75% — https://whiteintel.dev/entity/272342be-b081-5793-8330-e43e1339c146
- **Mr Peter Gary Woods** (beneficial owner) — 75% — https://whiteintel.dev/entity/7a93f19f-dcbb-50d4-ba6a-bddbf14738cc
- **BREEDON MIDCO LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/58b03e9f-b546-55c4-82e0-bb4ccde9b110
- **John Patrick Kevin Lagan** (beneficial owner) — https://whiteintel.dev/entity/45dd44e5-6390-45ee-9efb-679037bdf309
- **Breedon Group Plc** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/8e7b9624-147c-403a-83ff-9bcc19fa6b0e
- **Breedon Group Plc** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/84ce57cd-bd41-5c66-a072-368437ca06e4
- **BREEDON MIDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/58b03e9f-b546-55c4-82e0-bb4ccde9b110
- **BREEDON MIDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/58b03e9f-b546-55c4-82e0-bb4ccde9b110
- **Mr Sean Gerard Mccann** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/e86ba6a4-0f4a-4e9b-b298-b471dc0634a3
- **Mr Peter Gary Woods** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/b4f8469e-1907-4b63-beac-e53c8e43ee86

### Holdings / subsidiaries

- **LAGAN BITUMEN LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/fccbf8fd-35f5-5693-b1e6-7282c7a3dd5e
- **LAGAN WHITEMOUNTAIN LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/0e460366-eee3-50e6-a28b-ada56d6b10c4
- **LAGAN AIRPORTS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/fd4f35c3-7286-56bb-b202-e1ed984ac65e
- **ROBINSON QUARRY MASTERS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c9801d6e-06b3-5c82-99c9-bade4438eb37
- **KILCARN LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/b8da6d16-d681-5232-b061-e18c9716a81c
- **ROADMIX LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/1f7b1d46-2816-5a89-b83f-fa62cd41a003
- **BREEDON WHITEMOUNTAIN LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/fb2d4c7f-5fac-5274-a856-d4978f75fbc1

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

1. **BREEDON GROUP PLC** — ultimate parent → *Whitemountain Quarries Ltd*
1. **BREEDON GROUP PLC** — parent → *Whitemountain Quarries Ltd*
1. **Breedon Group Plc** — beneficial owner 100% → *WHITEMOUNTAIN QUARRIES LTD*
1. **Mr Sean Gerard Mccann** — beneficial owner 75% → *WHITEMOUNTAIN QUARRIES LTD*
1. **Mr Peter Gary Woods** — beneficial owner 75% → *WHITEMOUNTAIN QUARRIES LTD*
1. **BREEDON MIDCO LIMITED** — beneficial owner 100% → *WHITEMOUNTAIN QUARRIES LTD*
1. **John Patrick Kevin Lagan** — beneficial owner → *WHITEMOUNTAIN QUARRIES LTD*
1. **Breedon Group Plc** — beneficial owner 87.5% → *WHITEMOUNTAIN QUARRIES LTD*
1. **Breedon Group Plc** — beneficial owner 87.5% → *WHITEMOUNTAIN QUARRIES LTD*
1. **BREEDON MIDCO LIMITED** — beneficial owner 87.5% → *WHITEMOUNTAIN QUARRIES LTD*
1. **BREEDON MIDCO LIMITED** — beneficial owner 87.5% → *WHITEMOUNTAIN QUARRIES LTD*
1. **Mr Sean Gerard Mccann** — beneficial owner 62.5% → *WHITEMOUNTAIN QUARRIES LTD*
1. **Mr Peter Gary Woods** — beneficial owner 62.5% → *WHITEMOUNTAIN QUARRIES LTD*
2. **Breedon Group Plc** — beneficial owner 100% → *BREEDON MIDCO LIMITED*
2. **Breedon Group Plc** — beneficial owner 87.5% → *BREEDON MIDCO LIMITED*
2. **Breedon Group Plc** — beneficial owner 87.5% → *Breedon Group Plc*

## Company profile (live · UK Companies House)

- **Company number:** `NI018140`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1985-01-24
- **Registered office:** 5 Blackwater Road, Newtownabbey, BT36 4TZ, Northern Ireland
- **SIC:** 08990

### Officers

- ATHERTON-HAM, James West — secretary · appointed 2022-03-01
- ATHERTON-HAM, James West — director · British · appointed 2022-03-01
- TURNBULL, Mark Edward — director · British · appointed 2026-03-18
- CANAVAN, Declan Vincent — secretary · Irish · appointed 2008-05-06 · resigned 2018-10-31
- JENKINS, Charles Gerard — secretary · appointed 2005-08-01 · resigned 2008-05-06
- MCDONALD, Ross Edward — secretary · appointed 2018-10-31 · resigned 2022-03-01
- MCNAMARA, Rory — secretary · appointed 1985-01-24 · resigned 2005-08-01
- ANDREW, William Lyle — director · British · appointed 2010-09-01 · resigned 2013-08-30
- BROTHERTON, James Edward — director · British · appointed 2021-03-16 · resigned 2026-06-30
- CANAVAN, Declan Vincent — director · Irish · appointed 2010-08-30 · resigned 2018-10-31
- CAREY, John Charles (Ian) — director · British · appointed 2000-10-04 · resigned 2006-03-22
- GILROY, Patrick Richard — director · Irish · appointed 2023-05-18 · resigned 2024-09-30
- HANNA, Adrian Kenneth — director · British · appointed 1999-06-26 · resigned 2000-02-04
- KELLY, Mark Francis — director · Irish · appointed 2002-10-01 · resigned 2019-01-31
- LAGAN, Kevin John Patrick — director · British · appointed 1985-01-24 · resigned 2018-04-20
- LAGAN, Michael Anthony — director · Irish · appointed 1985-01-24 · resigned 2010-09-01
- MACNAMARA, Brian — director · Irish · appointed 2002-02-20 · resigned 2006-03-22
- MCCANN, Sean Gerard — director · British · appointed 2011-01-20 · resigned 2018-04-20
- MCCLURE, Timothy — director · Northern Irish · appointed 2023-11-01 · resigned 2026-03-18
- MCDONALD, Liam Paul — director · Irish · appointed 2010-09-01 · resigned 2023-09-30

### Beneficial owners (Persons with Significant Control)

- [Breedon Midco Limited](https://whiteintel.dev/entity/58b03e9f-b546-55c4-82e0-bb4ccde9b110) — 75–100% shares · corporate PSC · England — since 2024-07-29
- [Breedon Group Plc](https://whiteintel.dev/entity/84ce57cd-bd41-5c66-a072-368437ca06e4) — 75–100% shares · corporate PSC · England — ceased 2024-07-29
- [Breedon Group Plc](https://whiteintel.dev/entity/8e7b9624-147c-403a-83ff-9bcc19fa6b0e) — 75–100% shares · corporate PSC · Jersey — ceased 2023-06-09
- Mr Sean Gerard Mccann — 50–75% shares · individual PSC — ceased 2018-04-20
- Mr Peter Gary Woods — 50–75% shares · individual PSC — ceased 2018-04-20
- John Patrick Kevin Lagan — significant influence or control as trust · individual PSC — ceased 2018-04-20

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/NI018140
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/NI018140

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **WHITEMOUNTAIN QUARRIES LTD**. Human view: https://whiteintel.dev/entity/a94dae4e-2f6d-520a-8675-6aeebe090af5 · Structured JSON: https://whiteintel.dev/api/public/dossier/a94dae4e-2f6d-520a-8675-6aeebe090af5._

_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"._