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Company number
12645644

CALCOR BUILDING CONTRACTORS LTD

Active
✓ Active company on the official register. Next accounts due 31 March 2027.

Company details

Registered name
CALCOR BUILDING CONTRACTORS LTD
Company number
12645644
Registered office
82 RAINHAM ROAD, RAINHAM, ESSEX, RM13 7RJ, ENGLAND
Company type
Private Limited Company
Incorporated on
4 June 2020
Status
Active
Age
6 years
Nature of business (SIC)
41100 — Development of building projects · 41201 — Construction of commercial buildings · 41202 — Construction of domestic buildings
Accounts — next due
31 Mar 2027
Accounts — last made up to
30 Jun 2025
Confirmation statement — next due
15 Apr 2027
Confirmation statement — last
01 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

Mr Calum Milligan
owns 25–50% of shares · holds 25–50% of voting rights
Notified 04/06/2020
Mr Joseph Michael Corboy
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 04/06/2020

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 Joseph Michael Corboy
born 07/1996 · United Kingdom owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Notified 04/06/2020 Controls 4 companies
Mr Calum Milligan
born 11/1995 · United Kingdom owns 25–50% of shares · holds 25–50% of votes Control ended 31/03/2026

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
31/03/2026 Person with significant control ceased Mr Calum Milligan
04/06/2020 Person with significant control added Mr Joseph Michael Corboy
04/06/2020 Person with significant control added Mr Calum Milligan

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 17
▲ 58.3%
11
Net assets 17
▲ 58.3%
11
Employees (avg) 1 1

Documents for CALCOR BUILDING CONTRACTORS 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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Read the API docs

Frequently asked questions

What is the company number of CALCOR BUILDING CONTRACTORS LTD?
According to the official registry, the company number of CALCOR BUILDING CONTRACTORS LTD is 12645644.
Where is CALCOR BUILDING CONTRACTORS LTD registered?
The registered office is 82 RAINHAM ROAD, RAINHAM, ESSEX, RM13 7RJ, ENGLAND.
What is the SIC code of CALCOR BUILDING CONTRACTORS LTD?
The nature of business is recorded under SIC code 41100 — Development of building projects, 41201 — Construction of commercial buildings, 41202 — Construction of domestic buildings.
Who controls CALCOR BUILDING CONTRACTORS LTD?
Mr Calum Milligan 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 CALCOR BUILDING CONTRACTORS LTD due?
The next annual accounts are due by 31 March 2027, and the last accounts were made up to 30 June 2025.

About CALCOR BUILDING CONTRACTORS LTD (12645644)

CALCOR BUILDING CONTRACTORS LTD is a private limited company incorporated on 4 June 2020 and registered in the United Kingdom under company number 12645644. Its registered office is at 82 RAINHAM ROAD, RAINHAM, ESSEX, RM13 7RJ, 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 30 June 2025. , and the person with significant control is Mr Calum Milligan. 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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