---
title: "NAYLES BARN QUARRY LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4bb1897e-e087-59cf-b71f-1dc2a7e12b24
json: https://whiteintel.dev/api/public/dossier/4bb1897e-e087-59cf-b71f-1dc2a7e12b24
identifier: oo:GB-COH-13732617
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# NAYLES BARN QUARRY LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-13732617`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4bb1897e-e087-59cf-b71f-1dc2a7e12b24  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4bb1897e-e087-59cf-b71f-1dc2a7e12b24  

## Ownership & control

### Owners / controllers

- **Mr Nicholas Matthew Middlemass Johnston** (beneficial owner) — 100% — https://whiteintel.dev/entity/dcaf44d6-2cf1-51fe-b9ab-27c957b6f1a9
- **SIGMAROC PLC** (beneficial owner) — 100% — https://whiteintel.dev/entity/15cca571-9d3b-5e91-92e6-7167a6c5a428
- **Mr Nicholas Matthew Middlemass Johnston** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/93912ca2-a345-4991-8117-ed8d76a1b46b
- **SIGMAROC PLC** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/15cca571-9d3b-5e91-92e6-7167a6c5a428

### Holdings / subsidiaries

- **C B COLLIER QUARRY LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/ede648ed-6247-589f-9e81-2d032238f4a6
- **C B COLLIER QUARRY LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/ede648ed-6247-589f-9e81-2d032238f4a6

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

1. **Mr Nicholas Matthew Middlemass Johnston** — beneficial owner 100% → *NAYLES BARN QUARRY LIMITED*
1. **SIGMAROC PLC** — beneficial owner 100% → *NAYLES BARN QUARRY LIMITED*
1. **Mr Nicholas Matthew Middlemass Johnston** — beneficial owner 87.5% → *NAYLES BARN QUARRY LIMITED*
1. **SIGMAROC PLC** — beneficial owner 87.5% → *NAYLES BARN QUARRY LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `13732617`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2021-11-09
- **Registered office:** Westfield Lodge Butchers Hill, Great Tew, Chipping Norton, Oxfordshire, OX7 4AD, England
- **SIC:** 08110

### Officers

- BARRETT, David Kenneth — director · British · appointed 2023-01-27
- RIDEHALGH, Mark James — director · British · appointed 2025-12-02
- RODDY, Michael Ignatius — director · Irish · appointed 2023-01-27
- BOLSOVER, George William — director · British · appointed 2021-11-09 · resigned 2023-01-27
- CRUMP, Michael Anthony — director · British · appointed 2023-01-27 · resigned 2025-11-25
- JOHNSTON, Nicholas Matthew Middlemass — director · British · appointed 2021-11-09 · resigned 2023-01-27
- TRIGG, Charles Edmund — director · English · appointed 2023-01-27 · resigned 2025-11-13

### Beneficial owners (Persons with Significant Control)

- [Sigmaroc Plc](https://whiteintel.dev/entity/15cca571-9d3b-5e91-92e6-7167a6c5a428) — 75–100% shares · corporate PSC · England — since 2023-02-14
- Mr Nicholas Matthew Middlemass Johnston — 75–100% shares · individual PSC · England — ceased 2023-02-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/13732617

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **NAYLES BARN QUARRY LIMITED**. Human view: https://whiteintel.dev/entity/4bb1897e-e087-59cf-b71f-1dc2a7e12b24 · Structured JSON: https://whiteintel.dev/api/public/dossier/4bb1897e-e087-59cf-b71f-1dc2a7e12b24._

_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"._