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Company number
11984731

CARBON13 CAPITAL LTD

Active
✓ Active company on the official register. Next accounts due 30 September 2026.

Company details

East of England, 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
CARBON13 CAPITAL LTD
Company number
11984731
Registered office
SALISBURY HOUSE, STATION ROAD, CAMBRIDGE, CB1 2LA, ENGLAND · 457 other companies at this postcode
Company type
Private Limited Company
Incorporated on
8 May 2019
Status
Active
Age
7 years
Previous names
CARBON13 LTD (to 03 Aug 2022) · CLIMATESEEDS LTD (to 03 Aug 2022)
Nature of business (SIC)
82990 — Other business support service activities n.e.c.
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
22 Apr 2027
Confirmation statement — last
08 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

Carbon13 Group Ltd
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 29/09/2022
Mr Andre Schwaninger
owns 25–50% of shares · holds 25–50% of voting rights · can appoint and remove directors
Notified 08/05/2019
Mr Christopher James Coleridge
owns 25–50% of shares · holds 25–50% of voting rights
Notified 08/05/2019
Mr Christopher James Coleridge
owns 25–50% of shares · holds 25–50% of voting rights · can appoint and remove directors
Notified 08/05/2019
Mr Frank Robert Knowles
owns 25–50% of shares · holds 25–50% of voting rights · can appoint and remove directors
Notified 08/05/2019

Corporate structure

Who controls this company, and who they control in turn

5 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 29/09/2022 Controls 2 companies
Mr Andre Schwaninger
born 04/1970 · Switzerland owns 25–50% of shares · holds 25–50% of votes · can appoint and remove directors Control ended 30/01/2020
Mr Christopher James Coleridge
born 12/1966 · England owns 25–50% of shares · holds 25–50% of votes Control ended 29/09/2022 Controls 8 companies
Mr Christopher James Coleridge
born 12/1966 · England owns 25–50% of shares · holds 25–50% of votes · can appoint and remove directors Control ended 27/09/2021 Controls 8 companies
Mr Frank Robert Knowles
born 02/1963 · United Kingdom owns 25–50% of shares · holds 25–50% of votes · can appoint and remove directors Control ended 30/01/2020 Controls 2 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
29/09/2022 Person with significant control ceased Mr Christopher James Coleridge
29/09/2022 Person with significant control added Carbon13 Group Ltd
03/08/2022 Registered name changed CLIMATESEEDS LTD CARBON13 LTD
03/08/2022 Registered name changed CARBON13 LTD CARBON13 CAPITAL LTD
27/09/2021 Person with significant control ceased Mr Christopher James Coleridge
30/01/2020 Person with significant control ceased Mr Frank Robert Knowles
30/01/2020 Person with significant control ceased Mr Andre Schwaninger
08/05/2019 Person with significant control added Mr Frank Robert Knowles
08/05/2019 Person with significant control added Mr Christopher James Coleridge
08/05/2019 Person with significant control added Mr Christopher James Coleridge
08/05/2019 Person with significant control added Mr Andre Schwaninger

Financial highlights

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

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2024FY2023
Total assets less current liabilities 142
▼ 13.1%
163
Net assets 142
▼ 13.1%
163
Employees (avg) 0 0

Documents for CARBON13 CAPITAL LTD

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Company extract£1.99

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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

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

Carbon13 Capital Ltd — CB1 2LA
Trading as Carbon13 Carbonthirteen
Tier 1 · renews 19/05/2027
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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Frequently asked questions

What is the company number of CARBON13 CAPITAL LTD?
According to the official registry, the company number of CARBON13 CAPITAL LTD is 11984731.
Where is CARBON13 CAPITAL LTD registered?
The registered office is SALISBURY HOUSE, STATION ROAD, CAMBRIDGE, CB1 2LA, ENGLAND.
What is the SIC code of CARBON13 CAPITAL LTD?
The nature of business is recorded under SIC code 82990 — Other business support service activities n.e.c..
Who controls CARBON13 CAPITAL LTD?
Carbon13 Group Ltd 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 CARBON13 CAPITAL LTD due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 December 2024.

About CARBON13 CAPITAL LTD (11984731)

CARBON13 CAPITAL LTD is a private limited company incorporated on 8 May 2019 and registered in the United Kingdom under company number 11984731. Its registered office is at SALISBURY HOUSE, STATION ROAD, CAMBRIDGE, CB1 2LA, ENGLAND. The recorded nature of business is other business support service activities n.e.c. (SIC 82990). The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Carbon13 Group Ltd. 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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