opendata.bot
Company number
SC690107

CALMECH LTD

Officer · WATSON, Calum David and 1 others
Active
✓ Active company on the official register. Next accounts due 30 November 2026.

Company details

Registered name
CALMECH LTD
Company number
SC690107
Registered office
221-223 Balgreen Road, Edinburgh, EH11 2RZ, Scotland
Company type
Private limited company
Incorporated on
23 February 2021
Status
Active
Age
5 years
Nature of business (SIC)
42910 — Construction of water projects · 43220 — Plumbing, heat and air-conditioning installation
Accounts — next due
30 Nov 2026
Accounts — last made up to
28 Feb 2025
Confirmation statement — next due
08 Mar 2027
Confirmation statement — last
22 Feb 2026

Officers

2 active

director
Appointed 23/02/2021
Active
director
Appointed 16/02/2026
Active

People with significant control

Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors

Mr Calum David Watson
ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors
Notified 23/02/2021

Corporate structure

Who controls this company, and who they control in turn

Connections

Serving officers

director Appointed 23/02/2021
director Appointed 16/02/2026

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
16/02/2026 Director appointed ZUCOLOTTO PAULINO DOS SANTOS, Thaminni
23/02/2021 Person with significant control added Mr Calum David Watson
23/02/2021 Director appointed WATSON, Calum David

Financial highlights

No figures could be read from the accounts filed on 30 Jan 2026. Companies House holds some filings only as a document image, which carries no tagged figures; the filing itself is on the register either way.

Documents for CALMECH LTD

Need this one company on file? Buy the document on its own — no plan required.

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.

PDF Order

Filing history

Most recent filings

CS01 — confirmation-statement-with-updates
confirmation-statement
AP01 — appoint-person-director-company-with-name-date
officers
AA — accounts-with-accounts-type-total-exemption-full
accounts
CS01 — confirmation-statement-with-updates
confirmation-statement
AA — accounts-with-accounts-type-total-exemption-full
accounts
PSC04 — change-to-a-person-with-significant-control
persons-with-significant-control
CH01 — change-person-director-company-with-change-date
officers
CH01 — change-person-director-company-with-change-date
officers
AD01 — change-registered-office-address-company-with-date-old-address-new-address
address
PSC04 — change-to-a-person-with-significant-control
persons-with-significant-control
CS01 — confirmation-statement-with-updates
confirmation-statement
AA — accounts-with-accounts-type-micro-entity
accounts
CS01 — confirmation-statement-with-updates
confirmation-statement
PSC04 — change-to-a-person-with-significant-control
persons-with-significant-control
CH01 — change-person-director-company-with-change-date
officers
AA — accounts-with-accounts-type-micro-entity
accounts
AD01 — change-registered-office-address-company-with-date-old-address-new-address
address
CS01 — confirmation-statement-with-updates
confirmation-statement
NEWINC — incorporation-company
incorporation

Data protection register

No entry found on the ICO register of fee payers under this name.

Not every organisation has to register — some are exempt. An absent entry is a question to ask, not a finding.

Get this company via API

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Frequently asked questions

What is the company number of CALMECH LTD?
According to the official registry, the company number of CALMECH LTD is SC690107.
Where is CALMECH LTD registered?
The registered office is 221-223 Balgreen Road, Edinburgh, EH11 2RZ, Scotland.
Who runs CALMECH LTD?
WATSON, Calum David is listed among the officers of CALMECH LTD.
What is the SIC code of CALMECH LTD?
The nature of business is recorded under SIC code 42910 — Construction of water projects, 43220 — Plumbing, heat and air-conditioning installation.
Who controls CALMECH LTD?
Mr Calum David Watson is recorded as a person with significant control, with ownership of shares 75 to 100 percent, voting rights 75 to 100 percent, right to appoint and remove directors.
When are the next accounts of CALMECH LTD due?
The next annual accounts are due by 30 November 2026, and the last accounts were made up to 28 February 2025.

About CALMECH LTD (SC690107)

CALMECH LTD is a private limited company incorporated on 23 February 2021 and registered in the United Kingdom under company number SC690107. Its registered office is at 221-223 Balgreen Road, Edinburgh, EH11 2RZ, Scotland. The recorded nature of business is construction of water projects (SIC 42910). The company is currently active , with statutory accounts last made up to 28 February 2025. 2 active officers are on record , and the person with significant control is Mr Calum David Watson. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House , last refreshed 8 September 2026.

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