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Company number
09416012

MAINFRAME GROUP LIMITED

Active
✓ Active company on the official register. Next accounts due 5 January 2027.

Company details

Registered name
MAINFRAME GROUP LIMITED
Company number
09416012
Registered office
24 OLD STATION WAY, WOOBURN GREEN, BUCKINGHAMSHIRE, HP10 0HZ, UNITED KINGDOM
Company type
Private Limited Company
Incorporated on
2 February 2015
Status
Active
Age
11 years
Previous names
WRN LIMITED (to 20 Aug 2018) · MAINFRAME INTERNET LIMITED (to 20 Aug 2018) · MAINFRAME TELECOM LIMITED (to 20 Aug 2018) · WCH INTERNET LIMITED (to 20 Aug 2018)
Nature of business (SIC)
62020 — Information technology consultancy activities · 63110 — Data processing, hosting and related activities
Accounts — next due
05 Jan 2027
Accounts — last made up to
05 Apr 2025
Confirmation statement — next due
19 Apr 2027
Confirmation statement — last
05 Apr 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 Michael Liam Warren
owns 75–100% of shares
Notified 06/04/2016

Corporate structure

Who controls this company, and who they control in turn

1 controller Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Mr Michael Liam Warren
born 08/1994 · England owns 75–100% of shares Notified 06/04/2016 Controls 5 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
20/08/2018 Registered name changed WCH INTERNET LIMITED MAINFRAME TELECOM LIMITED
20/08/2018 Registered name changed MAINFRAME TELECOM LIMITED MAINFRAME INTERNET LIMITED
20/08/2018 Registered name changed MAINFRAME INTERNET LIMITED WRN LIMITED
20/08/2018 Registered name changed WRN LIMITED MAINFRAME GROUP LIMITED
06/04/2016 Person with significant control added Mr Michael Liam Warren

Documents for MAINFRAME GROUP 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.

PDF Order

Data protection register

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

Mainframe Group Limited — HP10 0HZ
Trading as Mainframe Group, Mainframe UX
Tier 1 · renews 28/03/2027
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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GET /v1/company/gb/09416012
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of MAINFRAME GROUP LIMITED?
According to the official registry, the company number of MAINFRAME GROUP LIMITED is 09416012.
Where is MAINFRAME GROUP LIMITED registered?
The registered office is 24 OLD STATION WAY, WOOBURN GREEN, BUCKINGHAMSHIRE, HP10 0HZ, UNITED KINGDOM.
What is the SIC code of MAINFRAME GROUP LIMITED?
The nature of business is recorded under SIC code 62020 — Information technology consultancy activities, 63110 — Data processing, hosting and related activities.
Who controls MAINFRAME GROUP LIMITED?
Mr Michael Liam Warren is recorded as a person with significant control, and owns 75–100% of shares.
When are the next accounts of MAINFRAME GROUP LIMITED due?
The next annual accounts are due by 5 January 2027, and the last accounts were made up to 5 April 2025.

About MAINFRAME GROUP LIMITED (09416012)

MAINFRAME GROUP LIMITED is a private limited company incorporated on 2 February 2015 and registered in the United Kingdom under company number 09416012. Its registered office is at 24 OLD STATION WAY, WOOBURN GREEN, BUCKINGHAMSHIRE, HP10 0HZ, UNITED KINGDOM. The recorded nature of business is information technology consultancy activities (SIC 62020). The company is currently active , with statutory accounts last made up to 5 April 2025. , and the person with significant control is Mr Michael Liam Warren. 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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