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Company number
SC471194

CALLUM WILLIAMSON LIMITED

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

Company details

Registered name
CALLUM WILLIAMSON LIMITED
Company number
SC471194
Registered office
SCOTTCOURT HOUSE, WEST PRINCES STREET, HELENSBURGH, ARGYLL & BUTE, G84 8BP, SCOTLAND
Company type
Private Limited Company
Incorporated on
28 February 2014
Status
Active
Age
12 years
Nature of business (SIC)
41202 — Construction of domestic buildings · 68209 — Other letting and operating of own or leased real estate
Accounts — next due
30 Nov 2026
Accounts — last made up to
28 Feb 2025
Confirmation statement — next due
01 May 2027
Confirmation statement — last
17 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 Malcolm Bruce Williamson
owns 50–75% of shares
Notified 18/04/2016

Corporate structure

Who controls this company, and who they control in turn

1 controller Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Mr Malcolm Bruce Williamson
born 01/1967 · Scotland owns 50–75% of shares Notified 18/04/2016 Controls 3 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
18/04/2016 Person with significant control added Mr Malcolm Bruce Williamson

Documents for CALLUM WILLIAMSON 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

Every field on this page is available as structured JSON behind one endpoint and one API key.

GET /v1/company/gb/SC471194
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of CALLUM WILLIAMSON LIMITED?
According to the official registry, the company number of CALLUM WILLIAMSON LIMITED is SC471194.
Where is CALLUM WILLIAMSON LIMITED registered?
The registered office is SCOTTCOURT HOUSE, WEST PRINCES STREET, HELENSBURGH, ARGYLL & BUTE, G84 8BP, SCOTLAND.
What is the SIC code of CALLUM WILLIAMSON LIMITED?
The nature of business is recorded under SIC code 41202 — Construction of domestic buildings, 68209 — Other letting and operating of own or leased real estate.
Who controls CALLUM WILLIAMSON LIMITED?
Mr Malcolm Bruce Williamson is recorded as a person with significant control, and owns 50–75% of shares.
When are the next accounts of CALLUM WILLIAMSON LIMITED due?
The next annual accounts are due by 30 November 2026, and the last accounts were made up to 28 February 2025.

About CALLUM WILLIAMSON LIMITED (SC471194)

CALLUM WILLIAMSON LIMITED is a private limited company incorporated on 28 February 2014 and registered in the United Kingdom under company number SC471194. Its registered office is at SCOTTCOURT HOUSE, WEST PRINCES STREET, HELENSBURGH, ARGYLL & BUTE, G84 8BP, SCOTLAND. The recorded nature of business is construction of domestic buildings (SIC 41202). The company is currently active , with statutory accounts last made up to 28 February 2025. , and the person with significant control is Mr Malcolm Bruce Williamson. 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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