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UNITED INFRASTRUCTURE SYSTEMS LIMITED

Active Company number 03836457

UNITED INFRASTRUCTURE SYSTEMS LIMITED (company number 03836457) is a private limited company incorporated on 6 September 1999. Its status on the Companies House register is Active. Its registered office is in Warrington, WA5 3UZ. Its nature of business (SIC 2007) is manufacture of electricity distribution and control apparatus (27120). Its latest accounts we hold, for the period ending 30 September 2025, report net assets of £4.8m.

Source: Companies House register, as at 2 October 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 UNITED INFRASTRUCTURE SYSTEMS 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 30 Sep 2025 against the year before
  • Filing deadlines: accounts due 31 Dec 2027; confirmation statement due 20 Jun 2027
  • Financials ledger: 7 years of filed accounts held (2019–2025)
  • Who runs and owns it: 1 PSC
  • Shareholders: the current register from the filings: each holder, class, shares and percentage
  • Charges: 0 outstanding of 8 charges registered
  • Filing history and methodology: with sources and a disclaimer

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Company details

Company number
03836457
Status
Active
Company type
Private Limited Company
Incorporated
6 September 1999
Country of origin
United Kingdom
Registered office
BUILDING 4 CLEARWATER
LINGLEY MERE BUSINESS PARK
WARRINGTON
WA5 3UZ
UNITED KINGDOM

Nature of business (SIC 2007)

Accounts and confirmation statement

Accounting reference date
31 March
Accounts category
FULL
Accounts last made up to
30 September 2025
Next accounts due
31 December 2027
Confirmation statement last made up to
6 June 2026
Next confirmation statement due
20 June 2027

Financial summary

Period ending30 September 202530 September 202430 September 202330 September 202230 September 202130 September 202030 September 2019
Profit before tax£2.2m£1.8m—————
Profit after tax£2.1m£1.3m—————
Total assets£9.5m£6.7m£4.7m£4.6m£4.0m£4.2m£3.5m
Cash at bank£191k£122k£60k£165k£117k£88k£31k
Current liabilities£4.4m£3.5m£2.8m£2.0m£1.6m£1.7m£1.3m
Net current assets£3.2m£2.3m£1.2m£968k£839k£779k£443k
Total liabilities£4.7m——————
Net assets£4.8m£2.9m£1.7m£1.5m£1.2m£1.3m£1.3m
Employees1111028778716365

—: no figure read from the filing.

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 (3 including ceased)
Corporate controllers
Simkiss Group (Scs) Limited
Charges (mortgages)
8 registered, 0 outstanding, 7 satisfied

Previous names

  • SIMKISS CONTROL SYSTEMS LIMITED (changed 27 September 2026)

Questions about UNITED INFRASTRUCTURE SYSTEMS LIMITED

Is UNITED INFRASTRUCTURE SYSTEMS LIMITED active?

Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 2 October 2026.)

When was UNITED INFRASTRUCTURE SYSTEMS LIMITED incorporated?

UNITED INFRASTRUCTURE SYSTEMS LIMITED was incorporated on 6 September 1999, according to the Companies House register. (Companies House register, as at 2 October 2026.)

Where is UNITED INFRASTRUCTURE SYSTEMS LIMITED registered?

Its registered office is in Warrington, WA5 3UZ. (Companies House register, as at 2 October 2026.)

Who controls UNITED INFRASTRUCTURE SYSTEMS LIMITED?

The register lists 1 current person with significant control (3 including those who have ceased). Corporate controllers named on the register: Simkiss Group (Scs) Limited. The register shows control, not a list of shareholders. Individuals are named at https://find-and-update.company-information.service.gov.uk/company/03836457/persons-with-significant-control. (Companies House register, as at 2 October 2026.) Who owns a UK limited company: shareholders, PSCs and what the register shows

When are UNITED INFRASTRUCTURE SYSTEMS LIMITED's next accounts due?

The register shows the next accounts as due by 31 December 2027. Its latest accounts on the register were made up to 30 September 2025. (Companies House register, as at 2 October 2026.)

Does UNITED INFRASTRUCTURE SYSTEMS LIMITED file dormant accounts?

Not in its latest accounts. The register gives their category as “Full accounts”, made up to 30 September 2025. (Companies House register, as at 2 October 2026.) What a dormant company is and what it must file

Does UNITED INFRASTRUCTURE SYSTEMS LIMITED have any charges registered against it?

Yes. The register shows 8 charges: 0 outstanding and 7 satisfied. The charges themselves are listed at https://find-and-update.company-information.service.gov.uk/company/03836457/charges. (Companies House register, as at 2 October 2026.) Company charges: what a mortgage or debenture means and how to read one

Is UNITED INFRASTRUCTURE SYSTEMS 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 manufacture of electricity distribution and control apparatus companies

Industry overview: 626 active companies in SIC 27120

Other active companies registered at WA5 3UZ

Companies registered in Warrington

Related guides

Companies with similar names

Other companies, LLPs and partnerships on the Companies House register whose names begin “UNITED INFRASTRUCTURE”. Each is a separate legal entity from UNITED INFRASTRUCTURE SYSTEMS LIMITED: check the registered number before relying on a name. Register data as at 2 October 2026.

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: UNITED INFRASTRUCTURE SYSTEMS LIMITED on Companies House.

Developers can fetch this profile as JSON with GET https://api.companystack.co.uk/company/03836457 — see the API documentation and pricing.