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Company number
13354706

CITADEL ENGINEERING COMPANY LTD.

Active
✓ Active company on the official register. Next accounts due 31 January 2027.

Company details

Registered name
CITADEL ENGINEERING COMPANY LTD.
Company number
13354706
Registered office
EAGLE HOUSE 167 CITY ROAD, OLD STREET, LONDON, EC1V 1AW, ENGLAND
Company type
Private Limited Company
Incorporated on
23 April 2021
Status
Active
Age
5 years
Previous names
CITADEL ENGINEERING UK LTD. (to 28 Jun 2024)
Nature of business (SIC)
70229 — Management consultancy activities other than financial management · 71121 — Engineering design activities for industrial process and production · 71122 — Engineering related scientific and technical consulting activities · 71200 — Technical testing and analysis
Accounts — next due
31 Jan 2027
Accounts — last made up to
30 Apr 2025
Confirmation statement — next due
17 Feb 2027
Confirmation statement — last
03 Feb 2026

People with significant control

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

Citadel Engineering Company
owns 75–100% of shares · owns 75–100% of shares (through a trust) · owns 75–100% of shares (through a firm) · holds 75–100% of voting rights · holds 75–100% of voting rights (through a trust) · holds 75–100% of voting rights (through a firm) · can appoint and remove directors · has significant influence or control (through a trust)
Notified 01/01/2024
Dr. Seyed Shahriyar Majlesein
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 23/04/2021
Dr. Shahriyar Majlesein
owns 75–100% of shares
Notified 01/10/2025

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

Dr. Shahriyar Majlesein
born 02/1986 · Scotland owns 75–100% of shares Notified 01/10/2025 Controls 3 companies
Citadel Engineering Company name only
owns 75–100% of shares · owns 75–100% of shares · owns 75–100% of shares · holds 75–100% of votes · holds 75–100% of votes · holds 75–100% of votes · can appoint and remove directors · has significant influence or control Control ended 01/01/2026 Controls 2 companies
Dr. Seyed Shahriyar Majlesein
born 02/1986 · Scotland owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Control ended 01/01/2024 Controls 2 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
01/01/2026 Person with significant control ceased Citadel Engineering Company
01/10/2025 Person with significant control added Dr. Shahriyar Majlesein
28/06/2024 Registered name changed CITADEL ENGINEERING UK LTD. CITADEL ENGINEERING COMPANY LTD.
01/01/2024 Person with significant control ceased Dr. Seyed Shahriyar Majlesein
01/01/2024 Person with significant control added Citadel Engineering Company
23/04/2021 Person with significant control added Dr. Seyed Shahriyar Majlesein

Documents for CITADEL ENGINEERING COMPANY LTD.

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Company extract£1.99

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Financial statements£3.99

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Ownership report£3.99

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Data protection register

No entry found on the ICO register of fee payers under this name.

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Frequently asked questions

What is the company number of CITADEL ENGINEERING COMPANY LTD.?
According to the official registry, the company number of CITADEL ENGINEERING COMPANY LTD. is 13354706.
Where is CITADEL ENGINEERING COMPANY LTD. registered?
The registered office is EAGLE HOUSE 167 CITY ROAD, OLD STREET, LONDON, EC1V 1AW, ENGLAND.
What is the SIC code of CITADEL ENGINEERING COMPANY LTD.?
The nature of business is recorded under SIC code 70229 — Management consultancy activities other than financial management, 71121 — Engineering design activities for industrial process and production, 71122 — Engineering related scientific and technical consulting activities, 71200 — Technical testing and analysis.
Who controls CITADEL ENGINEERING COMPANY LTD.?
Citadel Engineering Company is recorded as a person with significant control, and owns 75–100% of shares, owns 75–100% of shares (through a trust), owns 75–100% of shares (through a firm), holds 75–100% of voting rights, holds 75–100% of voting rights (through a trust), holds 75–100% of voting rights (through a firm), can appoint and remove directors, has significant influence or control (through a trust).
When are the next accounts of CITADEL ENGINEERING COMPANY LTD. due?
The next annual accounts are due by 31 January 2027, and the last accounts were made up to 30 April 2025.

About CITADEL ENGINEERING COMPANY LTD. (13354706)

CITADEL ENGINEERING COMPANY LTD. is a private limited company incorporated on 23 April 2021 and registered in the United Kingdom under company number 13354706. Its registered office is at EAGLE HOUSE 167 CITY ROAD, OLD STREET, LONDON, EC1V 1AW, ENGLAND. The recorded nature of business is management consultancy activities other than financial management (SIC 70229). The company is currently active , with statutory accounts last made up to 30 April 2025. , and the person with significant control is Citadel Engineering Company. 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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