opendata.bot
Company number
17201672

PROJECT EIRLYS LTD

Active
✓ Active company on the official register. Next accounts due 30 September 2027.

Company details

London, England Contains OS data © Crown copyright and database right. Contains Royal Mail data © Royal Mail copyright and database right. Source: Office for National Statistics licensed under the Open Government Licence v.3.0.
Registered name
PROJECT EIRLYS LTD
Company number
17201672
Registered office
INTERNATIONAL HOUSE, 50 ESSEX STREET, LONDON, GREATER LONDON, WC2R 3JF, ENGLAND · 211 other companies at this postcode
Company type
Private Limited Company
Incorporated on
6 May 2026
Status
Active
Age
0 years
Nature of business (SIC)
35110 — Production of electricity
Accounts — next due
30 Sept 2027
Confirmation statement — next due
06 Aug 2027
Confirmation statement — last
23 Jul 2026

What the register says

Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.

Companies House register snapshot, read 02/09/2026.

People with significant control

Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors

Mr Nathan James Welch
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 06/05/2026
Octo Partners Limited
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 23/07/2026
Tagenergy Uk Development Holdings Limited
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 13/08/2026

Corporate structure

Who controls this company, and who they control in turn

3 controllers Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Corporate owner owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Notified 13/08/2026 Controls 6 companies
Mr Nathan James Welch
born 01/1979 · Wales owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Control ended 23/07/2026 Controls 3 companies
Corporate owner owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Control ended 13/08/2026

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
13/08/2026 Person with significant control ceased Octo Partners Limited
13/08/2026 Person with significant control added Tagenergy Uk Development Holdings Limited
23/07/2026 Person with significant control ceased Mr Nathan James Welch
23/07/2026 Person with significant control added Octo Partners Limited
06/05/2026 Person with significant control added Mr Nathan James Welch

Documents for PROJECT EIRLYS LTD

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Company extract£1.99

The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.

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Financial statements£3.99

Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.

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Ownership report£3.99

Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.

PDF Order

Data protection register

Registered with the Information Commissioner's Office as a data protection fee payer.

Project Eirlys Ltd — WC2R 3JF
Tier 1 · renews 01/09/2027
ICO entry

The ICO publishes no company number, so this is matched on the registered name and confirmed by the postcode. Check the ICO entry before relying on it.

Get this company via API

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Frequently asked questions

What is the company number of PROJECT EIRLYS LTD?
According to the official registry, the company number of PROJECT EIRLYS LTD is 17201672.
Where is PROJECT EIRLYS LTD registered?
The registered office is INTERNATIONAL HOUSE, 50 ESSEX STREET, LONDON, GREATER LONDON, WC2R 3JF, ENGLAND.
What is the SIC code of PROJECT EIRLYS LTD?
The nature of business is recorded under SIC code 35110 — Production of electricity.
Who controls PROJECT EIRLYS LTD?
Mr Nathan James Welch is recorded as a person with significant control, and owns 75–100% of shares, holds 75–100% of voting rights, can appoint and remove directors.
When are the next accounts of PROJECT EIRLYS LTD due?
The next annual accounts are due by 30 September 2027.

About PROJECT EIRLYS LTD (17201672)

PROJECT EIRLYS LTD is a private limited company incorporated on 6 May 2026 and registered in the United Kingdom under company number 17201672. Its registered office is at INTERNATIONAL HOUSE, 50 ESSEX STREET, LONDON, GREATER LONDON, WC2R 3JF, ENGLAND. The recorded nature of business is production of electricity (SIC 35110). The company is currently active . , and the person with significant control is Mr Nathan James Welch. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.

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