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THE SIEGE MUSEUM LIMITED

Active Company number NI045100

THE SIEGE MUSEUM LIMITED (company number NI045100) is a private company limited by guarantee incorporated on 7 January 2003. Its status on the Companies House register is Active. Its registered office is in Londonderry, BT48 6PJ. Its nature of business (SIC 2007) is museums activities (91020). Its latest accounts we hold, for the period ending 31 December 2025, report net assets of £296k.

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.

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Company Report on THE SIEGE MUSEUM LIMITED (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 Sep 2027; confirmation statement due 1 Dec 2026
  • Financials ledger: 5 years of filed accounts held (2021–2025)
  • Who runs and owns it: 1 PSC
  • Charges: none on the register
  • Filing history and methodology: with sources and a disclaimer

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Company details

Company number
NI045100
Status
Active
Company type
PRI/LTD BY GUAR/NSC (Private, limited by guarantee, no share capital)
Incorporated
7 January 2003
Country of origin
United Kingdom
Registered office
THE SIEGE MUSEUM
13 SOCIETY STREET
LONDONDERRY
BT48 6PJ
NORTHERN IRELAND

Nature of business (SIC 2007)

Accounts and confirmation statement

Accounting reference date
31 December
Accounts category
TOTAL EXEMPTION FULL
Accounts last made up to
31 December 2025
Next accounts due
30 September 2027
Confirmation statement last made up to
17 November 2025
Next confirmation statement due
1 December 2026

Financial summary

Period ending31 December 202531 December 202431 December 202331 December 202231 December 2021
Net assets£296k£274k£251k£238k£234k
Employees32222

Figures read from filings at Companies House (ixbrl) 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)

Previous names

  • SIEGE HEROES SHARED SPACE MUSEUM LIMITED (changed 22 March 2018)
  • MAIDEN CITY MUSEUM LIMITED (changed 28 June 2012)

Questions about THE SIEGE MUSEUM LIMITED

Is THE SIEGE MUSEUM LIMITED active?

Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 29 September 2026.)

When was THE SIEGE MUSEUM LIMITED incorporated?

THE SIEGE MUSEUM LIMITED was incorporated on 7 January 2003, according to the Companies House register. (Companies House register, as at 29 September 2026.)

Where is THE SIEGE MUSEUM LIMITED registered?

Its registered office is in Londonderry, BT48 6PJ. (Companies House register, as at 29 September 2026.)

Who controls THE SIEGE MUSEUM LIMITED?

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/NI045100/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 THE SIEGE MUSEUM LIMITED's next accounts due?

The register shows the next accounts as due by 30 September 2027. Its latest accounts on the register were made up to 31 December 2025. (Companies House register, as at 29 September 2026.)

Does THE SIEGE MUSEUM LIMITED file dormant accounts?

Not in its latest accounts. The register gives their category as “Total exemption 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

Is THE SIEGE MUSEUM LIMITED 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 9 October 2026. A name screen is not legal clearance.

More museums activities companies

Industry overview: 864 active companies in SIC 91020

Other active companies registered at BT48 6PJ

Companies registered in Londonderry

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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: THE SIEGE MUSEUM LIMITED on Companies House.

Developers can fetch this profile as JSON with GET https://api.companystack.co.uk/company/NI045100 — see the API documentation and pricing.