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Company number
05204176

SIGMAROC PLC

Active
✓ Active company on the official register. Next accounts due 30 June 2027.

Company details

Registered name
SIGMAROC PLC
Company number
05204176
Registered office
6 HEDDON STREET, LONDON, W1B 4BT, ENGLAND
Company type
Public Limited Company
Incorporated on
12 August 2004
Status
Active
Age
22 years
Previous names
MESSAGING INTERNATIONAL PLC (to 23 Aug 2016)
Nature of business (SIC)
08990 — Other mining and quarrying n.e.c.
Accounts — next due
30 Jun 2027
Accounts — last made up to
31 Dec 2025
Confirmation statement — next due
26 Aug 2027
Confirmation statement — last
12 Aug 2026

What the register says

Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.

Companies House register snapshot, read 02/09/2026.

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
23/08/2016 Registered name changed MESSAGING INTERNATIONAL PLC SIGMAROC PLC

Documents for SIGMAROC PLC

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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

Registered with the Information Commissioner's Office as a data protection fee payer.

Sigmaroc Plc — W1B 4DE
Tier 2 · renews 23/03/2027
ICO entry

The ICO publishes no company number, so this is matched on the registered name . Check the ICO entry before relying on it.

Trade marks

1 mark applied for under this name, as advertised in the UK IPO journal.

FormaCalX — UK00004364676
Chemicals · Building materials
Figurative

We read the journal each Friday, so this covers marks advertised since we started reading — not the whole register. The IPO publishes no bulk export of it.

Get this company via API

Every field on this page is available as structured JSON behind one endpoint and one API key.

GET /v1/company/gb/05204176
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of SIGMAROC PLC?
According to the official registry, the company number of SIGMAROC PLC is 05204176.
Where is SIGMAROC PLC registered?
The registered office is 6 HEDDON STREET, LONDON, W1B 4BT, ENGLAND.
What is the SIC code of SIGMAROC PLC?
The nature of business is recorded under SIC code 08990 — Other mining and quarrying n.e.c..
When are the next accounts of SIGMAROC PLC due?
The next annual accounts are due by 30 June 2027, and the last accounts were made up to 31 December 2025.

About SIGMAROC PLC (05204176)

SIGMAROC PLC is a public limited company incorporated on 12 August 2004 and registered in the United Kingdom under company number 05204176. Its registered office is at 6 HEDDON STREET, LONDON, W1B 4BT, ENGLAND. The recorded nature of business is other mining and quarrying n.e.c. (SIC 08990). The company is currently active , with statutory accounts last made up to 31 December 2025. 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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