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Company number
04976188

SPECIALITY CARBONS LIMITED

Active
✓ Active company on the official register. Next accounts due 29 September 2026.

Company details

Registered name
SPECIALITY CARBONS LIMITED
Company number
04976188
Registered office
ABERPERGWM COLLIERY ENGINE COTTAGE SITE, GLYNNEATH, NEATH, SA11 5AJ, WALES
Company type
Private Limited Company
Incorporated on
25 November 2003
Status
Active
Age
22 years
Previous names
LLANWENARTH PROPERTIES LIMITED (to 18 Aug 2015)
Nature of business (SIC)
09900 — Support activities for other mining and quarrying
Accounts — next due
29 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
09 Dec 2026
Confirmation statement — last
25 Nov 2025

People with significant control

Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors

Mr Keith Calder
Notified 23/11/2016
Mr Morgan Rhidian Davies
Notified 23/11/2016
Mr Stephen Grenville Williams
Notified 23/11/2016

Corporate structure

Who controls this company, and who they control in turn

3 controllers Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Mr Keith Calder
born 06/1961 · Canada owns 25–50% of shares Notified 23/11/2016
Mr Morgan Rhidian Davies
born 06/1960 · Wales owns 25–50% of shares Notified 23/11/2016 Controls 2 companies
Mr Stephen Grenville Williams
born 02/1957 · Wales owns 25–50% of shares Control ended 02/02/2018 Controls 4 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
02/02/2018 Person with significant control ceased Mr Stephen Grenville Williams
23/11/2016 Person with significant control added Mr Stephen Grenville Williams
23/11/2016 Person with significant control added Mr Morgan Rhidian Davies
23/11/2016 Person with significant control added Mr Keith Calder
18/08/2015 Registered name changed LLANWENARTH PROPERTIES LIMITED SPECIALITY CARBONS LIMITED

Documents for SPECIALITY CARBONS LIMITED

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Company extract£1.99

The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.

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Financial statements£3.99

Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.

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Ownership report£3.99

Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.

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Data protection register

No entry found on the ICO register of fee payers under this name.

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Get this company via API

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Frequently asked questions

What is the company number of SPECIALITY CARBONS LIMITED?
According to the official registry, the company number of SPECIALITY CARBONS LIMITED is 04976188.
Where is SPECIALITY CARBONS LIMITED registered?
The registered office is ABERPERGWM COLLIERY ENGINE COTTAGE SITE, GLYNNEATH, NEATH, SA11 5AJ, WALES.
What is the SIC code of SPECIALITY CARBONS LIMITED?
The nature of business is recorded under SIC code 09900 — Support activities for other mining and quarrying.
Who controls SPECIALITY CARBONS LIMITED?
Mr Keith Calder is recorded as a person with significant control.
When are the next accounts of SPECIALITY CARBONS LIMITED due?
The next annual accounts are due by 29 September 2026, and the last accounts were made up to 31 December 2024.

About SPECIALITY CARBONS LIMITED (04976188)

SPECIALITY CARBONS LIMITED is a private limited company incorporated on 25 November 2003 and registered in the United Kingdom under company number 04976188. Its registered office is at ABERPERGWM COLLIERY ENGINE COTTAGE SITE, GLYNNEATH, NEATH, SA11 5AJ, WALES. The recorded nature of business is support activities for other mining and quarrying (SIC 09900). The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Mr Keith Calder. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.

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