---
title: "SPECIALITY CARBONS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b39e4da5-972e-5342-93af-c459260982b3
json: https://whiteintel.dev/api/public/dossier/b39e4da5-972e-5342-93af-c459260982b3
identifier: oo:GB-COH-04976188
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SPECIALITY CARBONS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-04976188`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b39e4da5-972e-5342-93af-c459260982b3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b39e4da5-972e-5342-93af-c459260982b3  

## Ownership & control

### Owners / controllers

- **Mr Morgan Rhidian Davies** (beneficial owner) — 50% — https://whiteintel.dev/entity/e63701b7-aded-5541-8517-eafc22f28861
- **Mr Keith Calder** (beneficial owner) — 50% — https://whiteintel.dev/entity/56b5a733-9f28-5ad7-9c7b-7c8a35a41e8e
- **Mr Stephen Grenville Williams** (beneficial owner) — 50% — https://whiteintel.dev/entity/52010b3c-0907-5a9c-bb20-78b4422a1cd0
- **Mr Morgan Rhidian Davies** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/4d1fa038-4b7d-4328-89ba-27a95676728b
- **Mr Stephen Grenville Williams** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/78f5cde4-a551-423e-90e7-8b0fcf835e33
- **Mr Keith Calder** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/3b2e0ed9-479d-4206-b50a-64e6aba6a0b8

### Holdings / subsidiaries

- **ENERGYBUILD MINING LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/c9fa4dc1-f921-515f-80f3-34ba9b3f5b7c
- **ENERGYBUILD RESOURCES LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/49ff3924-08ba-5abf-971d-d6718732b6c8
- **MINERAL EXTRACTION AND HANDLING LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/d55ead7e-9826-5387-9ee1-13367fae10e1
- **ENERGYBUILD LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/f51ef8d0-fa24-5e86-bbe8-1e2e33646760
- **ENERGYBUILD RESOURCES LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/49ff3924-08ba-5abf-971d-d6718732b6c8
- **ENERGYBUILD LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/f51ef8d0-fa24-5e86-bbe8-1e2e33646760
- **ENERGYBUILD MINING LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c9fa4dc1-f921-515f-80f3-34ba9b3f5b7c
- **MINERAL EXTRACTION AND HANDLING LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/d55ead7e-9826-5387-9ee1-13367fae10e1

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

A **6-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:** `04976188`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2003-11-25
- **Registered office:** Aberpergwm Colliery Engine Cottage Site, Glynneath, Neath, SA11 5AJ, Wales
- **SIC:** 09900

### Officers

- CALDER, Keith Phillip Paul — director · Canadian · appointed 2015-11-01
- DAVIES, Morgan Rhidian — director · British · appointed 2015-11-01
- DAVIES, Thomas William — director · British · appointed 2015-11-01
- WILLIAMS, Stephen Grenville — secretary · British · appointed 2003-11-25 · resigned 2018-02-02
- WEBB, Nigel Allen — director · British · appointed 2003-11-25 · resigned 2015-08-14
- WILLIAMS, Stephen Grenville — director · British · appointed 2003-11-25 · resigned 2019-12-11

### Beneficial owners (Persons with Significant Control)

- Mr Morgan Rhidian Davies — 25–50% shares · individual PSC · Wales — since 2016-11-23
- Mr Keith Calder — 25–50% shares · individual PSC · Canada — since 2016-11-23
- Mr Stephen Grenville Williams — 25–50% shares · individual PSC — ceased 2018-02-02

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/04976188
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/04976188

## 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 **SPECIALITY CARBONS LIMITED** — https://whiteintel.dev/entity/b39e4da5-972e-5342-93af-c459260982b3 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SPECIALITY CARBONS LIMITED**. Human view: https://whiteintel.dev/entity/b39e4da5-972e-5342-93af-c459260982b3 · Structured JSON: https://whiteintel.dev/api/public/dossier/b39e4da5-972e-5342-93af-c459260982b3._

_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"._