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Company number
09270518

CIRCADIA TECHNOLOGIES LTD.

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
CIRCADIA TECHNOLOGIES LTD.
Company number
09270518
Registered office
TINTAGEL HOUSE, 92 ALBERT EMBANKMENT, LONDON, SE1 7TY, UNITED KINGDOM · 70 other companies at this postcode
Company type
Private Limited Company
Incorporated on
20 October 2014
Status
Active
Age
11 years
Previous names
SULTAN & KNIGHT LTD. (to 06 Mar 2018)
Nature of business (SIC)
72190 — Other research and experimental development on natural sciences and engineering · 72200 — Research and experimental development on social sciences and humanities · 74100 — specialised design activities
Accounts — next due
31 Oct 2026
Accounts — last made up to
31 Oct 2024
Confirmation statement — next due
16 Jan 2027
Confirmation statement — last
02 Jan 2026

People with significant control

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

Mr Fares Siddiqui
owns 50–75% of shares · holds 50–75% of voting rights · can appoint and remove directors
Notified 06/04/2016
Mr Michal Maslik
owns 25–50% of shares · holds 25–50% of voting rights
Notified 01/03/2018

Corporate structure

Who controls this company, and who they control in turn

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

Connections

Mr Fares Siddiqui
born 08/1992 · United Kingdom owns 50–75% of shares · holds 50–75% of votes · can appoint and remove directors Notified 06/04/2016
Mr Michal Maslik
born 03/1993 · England owns 25–50% of shares · holds 25–50% of votes Control ended 13/02/2026

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
13/02/2026 Person with significant control ceased Mr Michal Maslik
06/03/2018 Registered name changed SULTAN & KNIGHT LTD. CIRCADIA TECHNOLOGIES LTD.
01/03/2018 Person with significant control added Mr Michal Maslik
06/04/2016 Person with significant control added Mr Fares Siddiqui

Financial highlights

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

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2024FY2023
Net assets 1,360
▼ 56.8%
3,152
Employees (avg) 19
▼ 9.5%
21

Documents for CIRCADIA TECHNOLOGIES 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

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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Frequently asked questions

What is the company number of CIRCADIA TECHNOLOGIES LTD.?
According to the official registry, the company number of CIRCADIA TECHNOLOGIES LTD. is 09270518.
Where is CIRCADIA TECHNOLOGIES LTD. registered?
The registered office is TINTAGEL HOUSE, 92 ALBERT EMBANKMENT, LONDON, SE1 7TY, UNITED KINGDOM.
What is the SIC code of CIRCADIA TECHNOLOGIES LTD.?
The nature of business is recorded under SIC code 72190 — Other research and experimental development on natural sciences and engineering, 72200 — Research and experimental development on social sciences and humanities, 74100 — specialised design activities.
Who controls CIRCADIA TECHNOLOGIES LTD.?
Mr Fares Siddiqui is recorded as a person with significant control, and owns 50–75% of shares, holds 50–75% of voting rights, can appoint and remove directors.
When are the next accounts of CIRCADIA TECHNOLOGIES LTD. due?
The next annual accounts are due by 31 October 2026, and the last accounts were made up to 31 October 2024.

About CIRCADIA TECHNOLOGIES LTD. (09270518)

CIRCADIA TECHNOLOGIES LTD. is a private limited company incorporated on 20 October 2014 and registered in the United Kingdom under company number 09270518. Its registered office is at TINTAGEL HOUSE, 92 ALBERT EMBANKMENT, LONDON, SE1 7TY, UNITED KINGDOM. The recorded nature of business is other research and experimental development on natural sciences and engineering (SIC 72190). The company is currently active , with statutory accounts last made up to 31 October 2024. , and the person with significant control is Mr Fares Siddiqui. 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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