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Company number
17031965

CENTURY GREEN UK LIMITED

Active
✓ Active company on the official register. Next accounts due 13 November 2027.

Company details

Registered name
CENTURY GREEN UK LIMITED
Company number
17031965
Registered office
9A REEDS FARM ESTATE ROXWELL ROAD, WRITTLE, CHELMSFORD, ESSEX, CM1 3ST, ENGLAND
Company type
Private Limited Company
Incorporated on
13 February 2026
Status
Active
Age
0 years
Previous names
NRG MECHANICAL LTD (to 25 Jun 2026)
Nature of business (SIC)
43999 — Other specialised construction activities n.e.c.
Accounts — next due
13 Nov 2027
Confirmation statement — next due
26 Feb 2027

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 Paul James O'Brien
Notified 17/06/2026
Mr Simon Brooks
Notified 13/02/2026

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 Paul James O'Brien
born 11/1968 · United Kingdom owns 25–50% of shares · holds 25–50% of votes Notified 17/06/2026 Controls 2 companies
Mr Simon Brooks
born 06/1988 · England owns 25–50% of shares · holds 25–50% of votes Notified 13/02/2026 Controls 4 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
25/06/2026 Registered name changed NRG MECHANICAL LTD CENTURY GREEN UK LIMITED
17/06/2026 Person with significant control added Mr Paul James O'Brien
13/02/2026 Person with significant control added Mr Simon Brooks

Documents for CENTURY GREEN UK 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 CENTURY GREEN UK LIMITED?
According to the official registry, the company number of CENTURY GREEN UK LIMITED is 17031965.
Where is CENTURY GREEN UK LIMITED registered?
The registered office is 9A REEDS FARM ESTATE ROXWELL ROAD, WRITTLE, CHELMSFORD, ESSEX, CM1 3ST, ENGLAND.
What is the SIC code of CENTURY GREEN UK LIMITED?
The nature of business is recorded under SIC code 43999 — Other specialised construction activities n.e.c..
Who controls CENTURY GREEN UK LIMITED?
Mr Paul James O'Brien is recorded as a person with significant control.
When are the next accounts of CENTURY GREEN UK LIMITED due?
The next annual accounts are due by 13 November 2027.

About CENTURY GREEN UK LIMITED (17031965)

CENTURY GREEN UK LIMITED is a private limited company incorporated on 13 February 2026 and registered in the United Kingdom under company number 17031965. Its registered office is at 9A REEDS FARM ESTATE ROXWELL ROAD, WRITTLE, CHELMSFORD, ESSEX, CM1 3ST, ENGLAND. The recorded nature of business is other specialised construction activities n.e.c. (SIC 43999). The company is currently active . , and the person with significant control is Mr Paul James O'Brien. 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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