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WARTSILA UK HOLDING LIMITED

Active Company number 00713225

WARTSILA UK HOLDING LIMITED (company number 00713225) is a private limited company incorporated on 18 January 1962. Its status on the Companies House register is Active. Its registered office is in Fareham, PO16 8SD. Its nature of business (SIC 2007) is activities of other holding companies n.e.c. (64209).

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 WARTSILA UK HOLDING 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 against the year before, and filing deadlines
  • Financials ledger: up to 10 years of filed accounts
  • Who runs and owns it: directors, secretaries and PSCs
  • Charges, filing history and methodology

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Company details

Company number
00713225
Status
Active
Company type
Private Limited Company
Incorporated
18 January 1962
Country of origin
United Kingdom
Registered office
SPINNAKER HOUSE
WATERSIDE GARDENS
FAREHAM
PO16 8SD
ENGLAND

Nature of business (SIC 2007)

Accounts and confirmation statement

Accounting reference date
31 December
Accounts category
FULL
Accounts last made up to
31 December 2024
Next accounts due
30 September 2026 Overdue
Confirmation statement last made up to
27 June 2026
Next confirmation statement due
11 July 2027

Control, officers and charges

Persons with significant control
1 current (1 including ceased)
Corporate controllers
Wartsila Corporation
Charges (mortgages)
8 registered, 0 outstanding, 8 satisfied

Previous names

  • WARTSILA HAMWORTHY LIMITED (changed 26 February 2026)
  • WARTSILA HAMWORTHY PLC (changed 2 February 2012)
  • HAMWORTHY PLC (changed 2 February 2012)

Questions about WARTSILA UK HOLDING LIMITED

Is WARTSILA UK HOLDING LIMITED active?

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

When was WARTSILA UK HOLDING LIMITED incorporated?

WARTSILA UK HOLDING LIMITED was incorporated on 18 January 1962, according to the Companies House register. (Companies House register, as at 29 September 2026.)

Where is WARTSILA UK HOLDING LIMITED registered?

Its registered office is in Fareham, PO16 8SD. (Companies House register, as at 29 September 2026.)

Who controls WARTSILA UK HOLDING LIMITED?

The register lists 1 current person with significant control (1 including those who have ceased). Corporate controllers named on the register: Wartsila Corporation. The register shows control, not a list of shareholders. Individuals are named at https://find-and-update.company-information.service.gov.uk/company/00713225/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 WARTSILA UK HOLDING LIMITED's next accounts due?

The register shows the next accounts as due by 30 September 2026. That date has passed. The register had not yet recorded those accounts as filed. Its latest accounts on the register were made up to 31 December 2024. (Companies House register, as at 29 September 2026.)

Does WARTSILA UK HOLDING LIMITED file dormant accounts?

Not in its latest accounts. The register gives their category as “Full accounts”, made up to 31 December 2024. (Companies House register, as at 29 September 2026.) What a dormant company is and what it must file

Does WARTSILA UK HOLDING LIMITED have any charges registered against it?

Yes. The register shows 8 charges: 0 outstanding and 8 satisfied. The charges themselves are listed at https://find-and-update.company-information.service.gov.uk/company/00713225/charges. (Companies House register, as at 29 September 2026.) Company charges: what a mortgage or debenture means and how to read one

More activities of other holding companies n.e.c. companies

Industry overview: 116,497 active companies in SIC 64209

Other active companies registered at PO16 8SD

Companies registered in Fareham

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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: WARTSILA UK HOLDING LIMITED on Companies House.

Developers can fetch this profile as JSON with GET https://api.companystack.co.uk/company/00713225 — see the API documentation and pricing.