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Company number
12939532

GRAPHITE TECHNOLOGY LIMITED

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

Company details

Registered name
GRAPHITE TECHNOLOGY LIMITED
Company number
12939532
Registered office
CHESTER HOUSE C/O LANDMARK POWER HOLDINGS LIMITED, FULHAM HIGH STREET, LONDON, SW6 3JA, ENGLAND
Company type
Private Limited Company
Incorporated on
9 October 2020
Status
Active
Age
5 years
Previous names
CARBON BLACK LIMITED (to 02 Jun 2021)
Nature of business (SIC)
71121 — Engineering design activities for industrial process and production
Accounts — next due
31 Dec 2026
Accounts — last made up to
31 Mar 2025
Confirmation statement — next due
22 Oct 2026
Confirmation statement — last
08 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

George Sitwell
owns 25–50% of shares · holds 25–50% of voting rights
Notified 09/10/2020
Landmark Technology Limited
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 02/08/2021
Michael Avison
owns 25–50% of shares · holds 25–50% of voting rights
Notified 09/10/2020

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 02/08/2021 Controls 6 companies
George Sitwell
born 04/1967 · United Kingdom owns 25–50% of shares · holds 25–50% of votes Control ended 02/08/2021 Controls 2 companies
Michael Avison
born 12/1957 · United Kingdom owns 25–50% of shares · holds 25–50% of votes Control ended 02/08/2021 Controls 4 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
02/08/2021 Person with significant control ceased Michael Avison
02/08/2021 Person with significant control ceased George Sitwell
02/08/2021 Person with significant control added Landmark Technology Limited
02/06/2021 Registered name changed CARBON BLACK LIMITED GRAPHITE TECHNOLOGY LIMITED
09/10/2020 Person with significant control added Michael Avison
09/10/2020 Person with significant control added George Sitwell

Financial highlights

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

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2025FY2024
Net assets 0 0

Documents for GRAPHITE TECHNOLOGY 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/12939532
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Read the API docs

Frequently asked questions

What is the company number of GRAPHITE TECHNOLOGY LIMITED?
According to the official registry, the company number of GRAPHITE TECHNOLOGY LIMITED is 12939532.
Where is GRAPHITE TECHNOLOGY LIMITED registered?
The registered office is CHESTER HOUSE C/O LANDMARK POWER HOLDINGS LIMITED, FULHAM HIGH STREET, LONDON, SW6 3JA, ENGLAND.
What is the SIC code of GRAPHITE TECHNOLOGY LIMITED?
The nature of business is recorded under SIC code 71121 — Engineering design activities for industrial process and production.
Who controls GRAPHITE TECHNOLOGY LIMITED?
George Sitwell is recorded as a person with significant control, and owns 25–50% of shares, holds 25–50% of voting rights.
When are the next accounts of GRAPHITE TECHNOLOGY LIMITED due?
The next annual accounts are due by 31 December 2026, and the last accounts were made up to 31 March 2025.

About GRAPHITE TECHNOLOGY LIMITED (12939532)

GRAPHITE TECHNOLOGY LIMITED is a private limited company incorporated on 9 October 2020 and registered in the United Kingdom under company number 12939532. Its registered office is at CHESTER HOUSE C/O LANDMARK POWER HOLDINGS LIMITED, FULHAM HIGH STREET, LONDON, SW6 3JA, ENGLAND. The recorded nature of business is engineering design activities for industrial process and production (SIC 71121). The company is currently active , with statutory accounts last made up to 31 March 2025. , and the person with significant control is George Sitwell. 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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