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Company number
12657320

CARBON ZERO MARKETS LIMITED

Active
✓ Active company on the official register. Next accounts due 30 September 2027.

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
CARBON ZERO MARKETS LIMITED
Company number
12657320
Registered office
22-26 KING STREET, KING'S LYNN, NORFOLK, PE30 1HJ, ENGLAND · 594 other companies at this postcode
Company type
Private Limited Company
Incorporated on
9 June 2020
Status
Active
Age
6 years
Previous names
NEW STREAM GREEN MARKETS LIMITED (to 03 May 2021)
Nature of business (SIC)
35140 — Trade of electricity · 35230 — Trade of gas through mains
Accounts — next due
30 Sept 2027
Accounts — last made up to
31 Dec 2025
Confirmation statement — next due
08 Oct 2026
Confirmation statement — last
24 Sept 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

Mr Bruce Duncan Brown
owns 25–50% of shares · holds 25–50% of voting rights · can appoint and remove directors
Notified 09/06/2020
Mr Charles Peter Ward
owns 25–50% of shares · holds 25–50% of voting rights · can appoint and remove directors
Notified 09/06/2020
Mr Gareth Goodall
owns 25–50% of shares · holds 25–50% of voting rights · can appoint and remove directors
Notified 09/06/2020
Mr Michael George Ridler
owns 25–50% of shares · holds 25–50% of voting rights · can appoint and remove directors
Notified 24/09/2021

Corporate structure

Who controls this company, and who they control in turn

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

Connections

Mr Bruce Duncan Brown
born 03/1980 · England owns 25–50% of shares · holds 25–50% of votes · can appoint and remove directors Notified 09/06/2020 Controls 6 companies
Mr Charles Peter Ward
born 10/1977 · England owns 25–50% of shares · holds 25–50% of votes · can appoint and remove directors Notified 09/06/2020 Controls 8 companies
Mr Gareth Goodall
born 02/1975 · England owns 25–50% of shares · holds 25–50% of votes · can appoint and remove directors Notified 09/06/2020 Controls 10 companies
Mr Michael George Ridler
born 11/1977 · United Kingdom owns 25–50% of shares · holds 25–50% of votes · can appoint and remove directors Notified 24/09/2021

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
24/09/2021 Person with significant control added Mr Michael George Ridler
03/05/2021 Registered name changed NEW STREAM GREEN MARKETS LIMITED CARBON ZERO MARKETS LIMITED
09/06/2020 Person with significant control added Mr Gareth Goodall
09/06/2020 Person with significant control added Mr Charles Peter Ward
09/06/2020 Person with significant control added Mr Bruce Duncan Brown

Financial highlights

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

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2025FY2024FY2023
Total assets less current liabilities 223
▲ 50.5%
148
▼ 66.4%
440
Net assets 222
▲ 50.6%
147
▼ 66.5%
439
Employees (avg) 4
▼ 55.6%
9
▲ 12.5%
8

Documents for CARBON ZERO MARKETS 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 CARBON ZERO MARKETS LIMITED?
According to the official registry, the company number of CARBON ZERO MARKETS LIMITED is 12657320.
Where is CARBON ZERO MARKETS LIMITED registered?
The registered office is 22-26 KING STREET, KING'S LYNN, NORFOLK, PE30 1HJ, ENGLAND.
What is the SIC code of CARBON ZERO MARKETS LIMITED?
The nature of business is recorded under SIC code 35140 — Trade of electricity, 35230 — Trade of gas through mains.
Who controls CARBON ZERO MARKETS LIMITED?
Mr Bruce Duncan Brown is recorded as a person with significant control, and owns 25–50% of shares, holds 25–50% of voting rights, can appoint and remove directors.
When are the next accounts of CARBON ZERO MARKETS LIMITED due?
The next annual accounts are due by 30 September 2027, and the last accounts were made up to 31 December 2025.

About CARBON ZERO MARKETS LIMITED (12657320)

CARBON ZERO MARKETS LIMITED is a private limited company incorporated on 9 June 2020 and registered in the United Kingdom under company number 12657320. Its registered office is at 22-26 KING STREET, KING'S LYNN, NORFOLK, PE30 1HJ, ENGLAND. The recorded nature of business is trade of electricity (SIC 35140). The company is currently active , with statutory accounts last made up to 31 December 2025. , and the person with significant control is Mr Bruce Duncan Brown. 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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