opendata.bot
Company number
15401560

MAINFRAME & CYBERNETIC SYSTEMS LIMITED

Active
✓ Active company on the official register. Next accounts due 31 December 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
MAINFRAME & CYBERNETIC SYSTEMS LIMITED
Company number
15401560
Registered office
ONE LEADENHALL, 1 LEADENHALL STREET, LONDON, EC3V 1AB, UNITED KINGDOM · 50 other companies at this postcode
Company type
Private Limited Company
Incorporated on
9 January 2024
Status
Active
Age
2 years
Nature of business (SIC)
46510 — Wholesale of computers, computer peripheral equipment and software
Accounts — next due
31 Dec 2026
Accounts — last made up to
31 Jan 2025
Confirmation statement — next due
22 Jan 2027
Confirmation statement — last
08 Jan 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 Sathesan Ganesarajah
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 09/01/2024
The Be Company Of United Kingdom Limited
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 28/02/2025

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 Sathesan Ganesarajah
born 11/1981 · United Kingdom owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Notified 09/01/2024 Controls 6 companies
Corporate owner owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Notified 28/02/2025 Controls 9 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
28/02/2025 Person with significant control added The Be Company Of United Kingdom Limited
09/01/2024 Person with significant control added Mr Sathesan Ganesarajah

Documents for MAINFRAME & CYBERNETIC SYSTEMS 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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Frequently asked questions

What is the company number of MAINFRAME & CYBERNETIC SYSTEMS LIMITED?
According to the official registry, the company number of MAINFRAME & CYBERNETIC SYSTEMS LIMITED is 15401560.
Where is MAINFRAME & CYBERNETIC SYSTEMS LIMITED registered?
The registered office is ONE LEADENHALL, 1 LEADENHALL STREET, LONDON, EC3V 1AB, UNITED KINGDOM.
What is the SIC code of MAINFRAME & CYBERNETIC SYSTEMS LIMITED?
The nature of business is recorded under SIC code 46510 — Wholesale of computers, computer peripheral equipment and software.
Who controls MAINFRAME & CYBERNETIC SYSTEMS LIMITED?
Mr Sathesan Ganesarajah 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 MAINFRAME & CYBERNETIC SYSTEMS LIMITED due?
The next annual accounts are due by 31 December 2026, and the last accounts were made up to 31 January 2025.

About MAINFRAME & CYBERNETIC SYSTEMS LIMITED (15401560)

MAINFRAME & CYBERNETIC SYSTEMS LIMITED is a private limited company incorporated on 9 January 2024 and registered in the United Kingdom under company number 15401560. Its registered office is at ONE LEADENHALL, 1 LEADENHALL STREET, LONDON, EC3V 1AB, UNITED KINGDOM. The recorded nature of business is wholesale of computers, computer peripheral equipment and software (SIC 46510). The company is currently active , with statutory accounts last made up to 31 January 2025. , and the person with significant control is Mr Sathesan Ganesarajah. 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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