opendata.bot
Company number
15367157

MAINSTAY CONSTRUCTION LTD

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

Company details

South West, 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
MAINSTAY CONSTRUCTION LTD
Company number
15367157
Registered office
11A KIMBERLEY PARK ROAD, FALMOUTH, CORNWALL, TR11 2DA, ENGLAND · 264 other companies at this postcode
Company type
Private Limited Company
Incorporated on
21 December 2023
Status
Active
Age
2 years
Nature of business (SIC)
41100 — Development of building projects
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
12 Aug 2027
Confirmation statement — last
29 Jul 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 Jonathan Bernard Cox
owns 25–50% of shares · holds 25–50% of voting rights
Notified 21/12/2023
Mrs Sarah Jane Cox
owns 25–50% of shares · holds 25–50% of voting rights
Notified 21/12/2023

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 Jonathan Bernard Cox
born 10/1964 · United Kingdom owns 25–50% of shares · holds 25–50% of votes Notified 21/12/2023 Controls 2 companies
Mrs Sarah Jane Cox
born 08/1971 · United Kingdom owns 25–50% of shares · holds 25–50% of votes Notified 21/12/2023 Controls 2 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
21/12/2023 Person with significant control added Mrs Sarah Jane Cox
21/12/2023 Person with significant control added Mr Jonathan Bernard Cox

Financial highlights

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

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2025FY2024
Total assets less current liabilities 642
▲ 79.9%
357
Net assets -159 -36
Employees (avg) 0 0

Documents for MAINSTAY CONSTRUCTION LTD

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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 MAINSTAY CONSTRUCTION LTD?
According to the official registry, the company number of MAINSTAY CONSTRUCTION LTD is 15367157.
Where is MAINSTAY CONSTRUCTION LTD registered?
The registered office is 11A KIMBERLEY PARK ROAD, FALMOUTH, CORNWALL, TR11 2DA, ENGLAND.
What is the SIC code of MAINSTAY CONSTRUCTION LTD?
The nature of business is recorded under SIC code 41100 — Development of building projects.
Who controls MAINSTAY CONSTRUCTION LTD?
Mr Jonathan Bernard Cox 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 MAINSTAY CONSTRUCTION LTD due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 December 2024.

About MAINSTAY CONSTRUCTION LTD (15367157)

MAINSTAY CONSTRUCTION LTD is a private limited company incorporated on 21 December 2023 and registered in the United Kingdom under company number 15367157. Its registered office is at 11A KIMBERLEY PARK ROAD, FALMOUTH, CORNWALL, TR11 2DA, ENGLAND. The recorded nature of business is development of building projects (SIC 41100). The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Mr Jonathan Bernard Cox. 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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