SIGMAROC PLC
Active Company number 05204176
SIGMAROC PLC (company number 05204176) is a public limited company incorporated on 12 August 2004. Its status on the Companies House register is Active. Its registered office is in London, W1B 4BT. Its nature of business (SIC 2007) is other mining and quarrying n.e.c. (08990). Its latest accounts we hold, for the period ending 31 December 2025, report turnover of £1.0bn.
Source: Companies House register, as at 29 September 2026. How to cite this page
Information only, not advice. Register details and accounts figures are the company's own filings, shown as filed: CompanyStack does not audit or verify them and accepts no responsibility for decisions made on them. Check important facts at Companies House.
Company Report on SIGMAROC PLC (PDF)
The register, the accounts and the people behind the company in one PDF, for your own business use.
- Summary and Health Score: with the reasons behind the score
- Red flags: and what changed in the last 12 months
- Key figures: the accounts to 31 Dec 2025 against the year before
- Filing deadlines: accounts due 30 Jun 2027; confirmation statement due 26 Aug 2027
- Financials ledger: 2 years of filed accounts held (2023–2025)
- Who runs and owns it: 1 PSC
- Charges: 10 outstanding of 27 charges registered
- Filing history and methodology: with sources and a disclaimer
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Company details
- Company number
- 05204176
- Status
- Active
- Company type
- Public Limited Company
- Incorporated
- 12 August 2004
- Country of origin
- United Kingdom
- Registered office
- 6 HEDDON STREET
LONDON
W1B 4BT
ENGLAND
Nature of business (SIC 2007)
Accounts and confirmation statement
- Accounting reference date
- 31 December
- Accounts category
- GROUP
- Accounts last made up to
- 31 December 2025
- Next accounts due
- 30 June 2027
- Confirmation statement last made up to
- 12 August 2026
- Next confirmation statement due
- 26 August 2027
Financial summary
| Period ending | 31 December 2025 | 31 December 2023 |
|---|---|---|
| Turnover | £1.0bn | £580.3m |
| Gross profit | £269.0m | £139.2m |
| Operating profit | — | £40.8m |
| Total assets | — | £1.0bn |
| Total liabilities | — | £500.4m |
| Net assets | — | £514.9m |
—: no figure read from the filing.
Figures read from filings at Companies House (group) and checked; see how we read them. Small-company accounts often omit turnover and profit. Spotted an error? Tell us.
Control, officers and charges
- Persons with significant control
- 1 current (1 including ceased)
- Charges (mortgages)
- 27 registered, 10 outstanding, 17 satisfied
Previous names
- MESSAGING INTERNATIONAL PLC (changed 23 August 2016)
Questions about SIGMAROC PLC
Is SIGMAROC PLC active?
Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 29 September 2026.)
When was SIGMAROC PLC incorporated?
SIGMAROC PLC was incorporated on 12 August 2004, according to the Companies House register. (Companies House register, as at 29 September 2026.)
Where is SIGMAROC PLC registered?
Its registered office is in London, W1B 4BT. (Companies House register, as at 29 September 2026.)
Who controls SIGMAROC PLC?
The register lists 1 current person with significant control (1 including those who have ceased). The register shows control, not a list of shareholders. Individuals are named at https://find-and-update.company-information.service.gov.uk/company/05204176/persons-with-significant-control. (Companies House register, as at 29 September 2026.) Who owns a UK limited company: shareholders, PSCs and what the register shows
When are SIGMAROC PLC's next accounts due?
The register shows the next accounts as due by 30 June 2027. Its latest accounts on the register were made up to 31 December 2025. (Companies House register, as at 29 September 2026.)
Does SIGMAROC PLC file dormant accounts?
Not in its latest accounts. The register gives their category as “Group accounts”, made up to 31 December 2025. (Companies House register, as at 29 September 2026.) What a dormant company is and what it must file
Does SIGMAROC PLC have any charges registered against it?
Yes. The register shows 27 charges: 10 outstanding and 17 satisfied. The charges themselves are listed at https://find-and-update.company-information.service.gov.uk/company/05204176/charges. (Companies House register, as at 29 September 2026.) Company charges: what a mortgage or debenture means and how to read one
Is SIGMAROC PLC on a sanctions list?
No match for this company's name on the sanctions lists CompanyStack screens (UK, EU, OFAC SDN, OFAC non-SDN, Canada, Australia, New Zealand, Japan, France, US CSL) as at 8 October 2026. A name screen is not legal clearance.
Related companies
More other mining and quarrying n.e.c. companies
- CEMCOR LTD
- CONEXPO (NI) LIMITED
- LONG RAKE SPAR COMPANY LIMITED(THE)
- CES QUARRY PRODUCTS LIMITED
- EURASIA MINING PLC
- LOVELL STONE GROUP LIMITED
- PHILIPPINE GOLD LIMITED
- MIDLAND LANDFILL LIMITED
Industry overview: 752 active companies in SIC 08990
Other active companies registered at W1B 4BT
Related guides
About CompanyStack
CompanyStack turns Companies House records into answers you can act on: who a company is, who runs and owns it, whether it keeps up with its filings and how its finances are moving. Every figure traces back to a public record, and we say when a record is missing.
Sources for company pages: Companies House (register, accounts, officers, PSCs, charges and filings), The Gazette (company insolvency notices only), the ONS Postcode Directory, official sanctions lists, including those of the UK (with UN designations), the EU, the US, Canada, Australia, New Zealand and France, and copies taken in April 2026 of the ICO register, the Charity Commission, CQC, Ofsted, Food Standards Agency and Environment Agency registers. Contains public sector information licensed under the Open Government Licence v3.0. CompanyStack is not affiliated with or endorsed by Companies House.
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Use this data
Official register entry: SIGMAROC PLC on Companies House.
Developers can fetch this profile as JSON with GET https://api.companystack.co.uk/company/05204176 — see the API documentation and pricing.