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Company number
15218390

SMARTCITYZEN LIMITED

Active
✓ Active company on the official register. Next accounts due 31 October 2026.

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
SMARTCITYZEN LIMITED
Company number
15218390
Registered office
SPECTRUM HOUSE, 2B SUTTONS LANE, HORNCHURCH, ESSEX, RM12 6RJ, ENGLAND · 581 other companies at this postcode
Company type
Private Limited Company
Incorporated on
18 October 2023
Status
Active
Age
2 years
Nature of business (SIC)
96090 — Other service activities n.e.c.
Accounts — next due
31 Oct 2026
Accounts — last made up to
31 Oct 2024
Confirmation statement — next due
14 Nov 2026
Confirmation statement — last
31 Oct 2025

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

Futurenergysystems Limited
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 01/03/2024
Mr Liam George O'Sullivan
owns 75–100% of shares · holds 75–100% of voting rights
Notified 18/10/2023
Smartcityplanet Limited
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 31/10/2025

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

Corporate owner owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Notified 31/10/2025
Corporate owner owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Control ended 31/10/2025 Controls 5 companies
Mr Liam George O'Sullivan
born 03/1972 · United Kingdom owns 75–100% of shares · holds 75–100% of votes Control ended 01/03/2024 Controls 10 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
31/10/2025 Person with significant control ceased Futurenergysystems Limited
31/10/2025 Person with significant control added Smartcityplanet Limited
01/03/2024 Person with significant control ceased Mr Liam George O'Sullivan
01/03/2024 Person with significant control added Futurenergysystems Limited
18/10/2023 Person with significant control added Mr Liam George O'Sullivan

Financial highlights

Parsed from the filed statutory accounts (£ thousands, except employees)

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2024
Employees (avg) 0

Documents for SMARTCITYZEN LIMITED

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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.

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Data protection register

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

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Get this company via API

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GET /v1/company/gb/15218390
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Read the API docs

Frequently asked questions

What is the company number of SMARTCITYZEN LIMITED?
According to the official registry, the company number of SMARTCITYZEN LIMITED is 15218390.
Where is SMARTCITYZEN LIMITED registered?
The registered office is SPECTRUM HOUSE, 2B SUTTONS LANE, HORNCHURCH, ESSEX, RM12 6RJ, ENGLAND.
What is the SIC code of SMARTCITYZEN LIMITED?
The nature of business is recorded under SIC code 96090 — Other service activities n.e.c..
Who controls SMARTCITYZEN LIMITED?
Futurenergysystems Limited 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 SMARTCITYZEN LIMITED due?
The next annual accounts are due by 31 October 2026, and the last accounts were made up to 31 October 2024.

About SMARTCITYZEN LIMITED (15218390)

SMARTCITYZEN LIMITED is a private limited company incorporated on 18 October 2023 and registered in the United Kingdom under company number 15218390. Its registered office is at SPECTRUM HOUSE, 2B SUTTONS LANE, HORNCHURCH, ESSEX, RM12 6RJ, ENGLAND. The recorded nature of business is other service activities n.e.c. (SIC 96090). The company is currently active , with statutory accounts last made up to 31 October 2024. , and the person with significant control is Futurenergysystems Limited. 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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