WILLIAM THOMPSON & SON (DUMBARTON) LIMITED
Active Company number SC025901
WILLIAM THOMPSON & SON (DUMBARTON) LIMITED (company number SC025901) is a private limited company incorporated on 20 November 1947. Its status on the Companies House register is Active. Its registered office is in G82 2RN. Its nature of business (SIC 2007) is other mining and quarrying n.e.c. (08990). Its latest accounts we hold, for the period ending 31 October 2022, report net assets of £10.6m.
Source: Companies House register, as at 29 September 2026. How to cite this page
Information only, not advice. Register details and accounts figures are the company's own filings, shown as filed: CompanyStack does not audit or verify them and accepts no responsibility for decisions made on them. Check important facts at Companies House.
Company Report on WILLIAM THOMPSON & SON (DUMBARTON) LIMITED (PDF)
The register, the accounts and the people behind the company in one PDF, for your own business use.
- Summary and Health Score, with the reasons behind the score
- Red flags and what changed in the last 12 months
- Key figures against the year before, and filing deadlines
- Financials ledger: up to 10 years of filed accounts
- Who runs and owns it: directors, secretaries and PSCs
- Charges, filing history and methodology
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Company details
- Company number
- SC025901
- Status
- Active
- Company type
- Private Limited Company
- Incorporated
- 20 November 1947
- Country of origin
- United Kingdom
- Registered office
- BIRCH ROAD
DUMBARTON
G82 2RN
Nature of business (SIC 2007)
Accounts and confirmation statement
- Accounting reference date
- 31 October
- Accounts category
- GROUP
- Accounts last made up to
- 31 October 2025
- Next accounts due
- 31 July 2027
- Confirmation statement last made up to
- 10 April 2026
- Next confirmation statement due
- 24 April 2027
Financial summary
| Period ending | 31 October 2022 | 31 October 2021 | 31 October 2020 |
|---|---|---|---|
| Profit after tax | £753k | £833k | £683k |
| Total assets | £19.4m | £20.4m | £20.6m |
| Cash at bank | £220k | £222k | £554k |
| Current liabilities | £3.1m | £3.2m | £4.5m |
| Net current liabilities | £1.9m | £1.4m | £1.8m |
| Net assets | £10.6m | £10.7m | £11.4m |
| Employees | 61 | 63 | 77 |
Figures read from filings at Companies House (ixbrl) and checked; see how we read them. Small-company accounts often omit turnover and profit. Spotted an error? Tell us.
Control, officers and charges
- Persons with significant control
- 1 current (1 including ceased)
- Charges (mortgages)
- 3 registered, 1 outstanding, 2 satisfied
Questions about WILLIAM THOMPSON & SON (DUMBARTON) LIMITED
Is WILLIAM THOMPSON & SON (DUMBARTON) LIMITED active?
Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 29 September 2026.)
When was WILLIAM THOMPSON & SON (DUMBARTON) LIMITED incorporated?
WILLIAM THOMPSON & SON (DUMBARTON) LIMITED was incorporated on 20 November 1947, according to the Companies House register. (Companies House register, as at 29 September 2026.)
Where is WILLIAM THOMPSON & SON (DUMBARTON) LIMITED registered?
Its registered office is in G82 2RN. (Companies House register, as at 29 September 2026.)
Who controls WILLIAM THOMPSON & SON (DUMBARTON) LIMITED?
The register lists 1 current person with significant control (1 including those who have ceased). The register shows control, not a list of shareholders. Individuals are named at https://find-and-update.company-information.service.gov.uk/company/SC025901/persons-with-significant-control. (Companies House register, as at 29 September 2026.) Who owns a UK limited company: shareholders, PSCs and what the register shows
When are WILLIAM THOMPSON & SON (DUMBARTON) LIMITED's next accounts due?
The register shows the next accounts as due by 31 July 2027. Its latest accounts on the register were made up to 31 October 2025. (Companies House register, as at 29 September 2026.)
Does WILLIAM THOMPSON & SON (DUMBARTON) LIMITED file dormant accounts?
Not in its latest accounts. The register gives their category as “Group accounts”, made up to 31 October 2025. (Companies House register, as at 29 September 2026.) What a dormant company is and what it must file
Does WILLIAM THOMPSON & SON (DUMBARTON) LIMITED have any charges registered against it?
Yes. The register shows 3 charges: 1 outstanding and 2 satisfied. The charges themselves are listed at https://find-and-update.company-information.service.gov.uk/company/SC025901/charges. (Companies House register, as at 29 September 2026.) Company charges: what a mortgage or debenture means and how to read one
Is WILLIAM THOMPSON & SON (DUMBARTON) LIMITED on a sanctions list?
No match for this company's name on the sanctions lists CompanyStack screens (UK, EU, OFAC SDN, OFAC non-SDN, Canada, Australia, New Zealand, Japan, France, US CSL) as at 6 October 2026. A name screen is not legal clearance.
Related companies
More other mining and quarrying n.e.c. companies
- CEMCOR LTD
- CONEXPO (NI) LIMITED
- LONG RAKE SPAR COMPANY LIMITED(THE)
- CES QUARRY PRODUCTS LIMITED
- EURASIA MINING PLC
- LOVELL STONE GROUP LIMITED
- PHILIPPINE GOLD LIMITED
- MIDLAND LANDFILL LIMITED
Industry overview: 752 active companies in SIC 08990
Other active companies registered at G82 2RN
Related guides
Companies with similar names
Other companies, LLPs and partnerships on the Companies House register whose names begin “WILLIAM THOMPSON”. Each is a separate legal entity from WILLIAM THOMPSON & SON (DUMBARTON) LIMITED: check the registered number before relying on a name. Register data as at 29 September 2026.
- WILLIAM THOMPSON & SONS (Limited partnership, Active, Lancashire; LP007765)
- WILLIAM THOMPSON (YORK) LIMITED (Company, Active, Malton; 00211711)
- WILLIAM THOMPSON CARS LTD (Company, Active, Stoke-On-Trent; 16732416)
- WILLIAM THOMPSON HOMES (CONSTRUCTION) LTD (Company, Active, Clitheroe; 06628800)
- WILLIAM THOMPSON HOMES (EPPING) LTD (Company, Active, Chelmsford; 15792937)
- WILLIAM THOMPSON HOMES (MEADOW VIEWS) LTD (Company, Active, London; 13647514)
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CompanyStack turns Companies House records into answers you can act on: who a company is, who runs and owns it, whether it keeps up with its filings and how its finances are moving. Every figure traces back to a public record, and we say when a record is missing.
Sources for company pages: Companies House (register, accounts, officers, PSCs, charges and filings), The Gazette (company insolvency notices only), the ONS Postcode Directory, official sanctions lists, including those of the UK (with UN designations), the EU, the US, Canada, Australia, New Zealand and France, and copies taken in April 2026 of the ICO register, the Charity Commission, CQC, Ofsted, Food Standards Agency and Environment Agency registers. Contains public sector information licensed under the Open Government Licence v3.0. CompanyStack is not affiliated with or endorsed by Companies House.
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Use this data
Official register entry: WILLIAM THOMPSON & SON (DUMBARTON) LIMITED on Companies House.
Developers can fetch this profile as JSON with GET https://api.companystack.co.uk/company/SC025901 — see the API documentation and pricing.