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GUILLEMOT INFRASTRUCTURE LIMITED

Active Company number 17189598

GUILLEMOT INFRASTRUCTURE LIMITED (company number 17189598) is a private limited company incorporated on 29 April 2026. Its status on the Companies House register is Active. Its registered office is in London, EC2M 4AG. 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.

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Company Report on GUILLEMOT INFRASTRUCTURE 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
17189598
Status
Active
Company type
Private Limited Company
Incorporated
29 April 2026
Country of origin
United Kingdom
Registered office
280 BISHOPSGATE
LONDON
EC2M 4AG
UNITED KINGDOM

Nature of business (SIC 2007)

Accounts and confirmation statement

Accounting reference date
31 December
Accounts category
NO ACCOUNTS FILED
Accounts last made up to
—
Next accounts due
30 September 2027
Confirmation statement last made up to
—
Next confirmation statement due
12 May 2027

Financial summary

No accounts filed yet; first accounts due 30 September 2027.

Control, officers and charges

Persons with significant control
1 current (1 including ceased)
Corporate controllers
Alphabet Inc.

Questions about GUILLEMOT INFRASTRUCTURE LIMITED

Is GUILLEMOT INFRASTRUCTURE LIMITED active?

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

When was GUILLEMOT INFRASTRUCTURE LIMITED incorporated?

GUILLEMOT INFRASTRUCTURE LIMITED was incorporated on 29 April 2026, according to the Companies House register. (Companies House register, as at 29 September 2026.)

Where is GUILLEMOT INFRASTRUCTURE LIMITED registered?

Its registered office is in London, EC2M 4AG. (Companies House register, as at 29 September 2026.)

Who controls GUILLEMOT INFRASTRUCTURE LIMITED?

The register lists 1 current person with significant control (1 including those who have ceased). Corporate controllers named on the register: Alphabet Inc.. The register shows control, not a list of shareholders. Individuals are named at https://find-and-update.company-information.service.gov.uk/company/17189598/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 GUILLEMOT INFRASTRUCTURE LIMITED's next accounts due?

The register shows the next accounts as due by 30 September 2027. (Companies House register, as at 29 September 2026.)

More construction of utility projects for electricity and telecommunications companies

Industry overview: 3,622 active companies in SIC 42220

Other active companies registered at EC2M 4AG

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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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Official register entry: GUILLEMOT INFRASTRUCTURE LIMITED on Companies House.

Developers can fetch this profile as JSON with GET https://api.companystack.co.uk/company/17189598 — see the API documentation and pricing.