AMENTUM CLEAN ENERGY LIMITED
Active Company number 01120437
AMENTUM CLEAN ENERGY LIMITED (company number 01120437) is a private limited company incorporated on 28 June 1973. Its status on the Companies House register is Active. Its registered office is in Warrington, WA3 6XF. Its nature of business (SIC 2007) is construction of utility projects for electricity and telecommunications (42220).
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 AMENTUM CLEAN ENERGY 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
Buy this report for £9 See a sample
One-off payment for business use, no subscription. Emailed as a download link straight after payment. Included with Pro and Team.
Company details
- Company number
- 01120437
- Status
- Active
- Company type
- Private Limited Company
- Incorporated
- 28 June 1973
- Country of origin
- United Kingdom
- Registered office
- 305 BRIDGEWATER PLACE
BIRCHWOOD PARK
WARRINGTON
WA3 6XF
UNITED KINGDOM
Nature of business (SIC 2007)
Accounts and confirmation statement
- Accounting reference date
- 30 September
- Accounts category
- FULL
- Accounts last made up to
- 27 September 2024
- Next accounts due
- 30 September 2026 Overdue
- Confirmation statement last made up to
- 10 April 2026
- Next confirmation statement due
- 24 April 2027
Control, officers and charges
- Persons with significant control
- 1 current (3 including ceased)
- Corporate controllers
- Energy, Security And Technology Uk Limited
- Charges (mortgages)
- 2 registered, 1 outstanding, 1 satisfied
Previous names
- JACOBS CLEAN ENERGY LIMITED (changed 30 September 2024)
- WOOD NUCLEAR LIMITED (changed 17 March 2020)
- AMEC FOSTER WHEELER NUCLEAR UK LIMITED (changed 3 September 2018)
- AMEC NUCLEAR UK LIMITED (changed 12 December 2014)
- AMEC NNC LIMITED (changed 3 September 2007)
Questions about AMENTUM CLEAN ENERGY LIMITED
Is AMENTUM CLEAN ENERGY LIMITED active?
Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 29 September 2026.)
When was AMENTUM CLEAN ENERGY LIMITED incorporated?
AMENTUM CLEAN ENERGY LIMITED was incorporated on 28 June 1973, according to the Companies House register. (Companies House register, as at 29 September 2026.)
Where is AMENTUM CLEAN ENERGY LIMITED registered?
Its registered office is in Warrington, WA3 6XF. (Companies House register, as at 29 September 2026.)
Who controls AMENTUM CLEAN ENERGY LIMITED?
The register lists 1 current person with significant control (3 including those who have ceased). Corporate controllers named on the register: Energy, Security And Technology Uk Limited. The register shows control, not a list of shareholders. Individuals are named at https://find-and-update.company-information.service.gov.uk/company/01120437/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 AMENTUM CLEAN ENERGY 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 27 September 2024. (Companies House register, as at 29 September 2026.)
Does AMENTUM CLEAN ENERGY LIMITED file dormant accounts?
Not in its latest accounts. The register gives their category as “Full accounts”, made up to 27 September 2024. (Companies House register, as at 29 September 2026.) What a dormant company is and what it must file
Does AMENTUM CLEAN ENERGY LIMITED have any charges registered against it?
Yes. The register shows 2 charges: 1 outstanding and 1 satisfied. The charges themselves are listed at https://find-and-update.company-information.service.gov.uk/company/01120437/charges. (Companies House register, as at 29 September 2026.) Company charges: what a mortgage or debenture means and how to read one
Is AMENTUM CLEAN ENERGY 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 6 October 2026. A name screen is not legal clearance.
Related companies
More construction of utility projects for electricity and telecommunications companies
- SOLARPRO HOLDING PLC
- WHP TELECOMS LIMITED
- ENIGMA INDUSTRIAL SERVICES LTD
- GCU (UK) LIMITED
- VEA GROUP LIMITED
- FOURWAY COMMUNICATION LIMITED
- PADERO SOLAER LTD
- NEXUS GREEN LIMITED
Industry overview: 3,622 active companies in SIC 42220
Other active companies registered at WA3 6XF
- PEEL HALL FARM (WARRINGTON) MANAGEMENT COMPANY LIMITED
- SILVERHILL MANOR RESIDENTS MANAGEMENT COMPANY LIMITED
- VESTAS OFFSHORE WIND UK LTD
- FAST REACTOR TECHNOLOGY LIMITED
- AMENTUM INTERNATIONAL HOLDINGS UK LTD.
- AMENTUM ENTERPRISE ASSET SOLUTIONS LIMITED
- PWR POWER PROJECTS LIMITED
- NATIONAL NUCLEAR CORPORATION LIMITED
Related guides
Companies with similar names
Other companies, LLPs and partnerships on the Companies House register whose names begin “AMENTUM CLEAN”. Each is a separate legal entity from AMENTUM CLEAN ENERGY LIMITED: check the registered number before relying on a name. Register data as at 29 September 2026.
- AMENTUM CLEAN ENERGY FRANCE SAS - UK BRANCH (Company, Active, Aix En Provence; FC036504)
- AMENTUM CLEAN ENERGY INTERNATIONAL LIMITED (Company, Active, Warrington; 03260477)
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.
How we work and keep data safe · Every data source we use · Sample reports
Use this data
Official register entry: AMENTUM CLEAN ENERGY LIMITED on Companies House.
Developers can fetch this profile as JSON with GET https://api.companystack.co.uk/company/01120437 — see the API documentation and pricing.