- Companies
- Installers
- Dumbarton
- Jamestown Engineering Ltd
Jamestown Engineering Ltd
- Company number
- SC714077
- Incorporated
- 3 Nov 20214 years trading
- Registered office
- 6 Firthview Terrace, Bruce Hill, Dumbarton, G82 4DR
- Nature of business
- Other construction installation
Jamestown Engineering Ltd is a 4-year-old private limited company registered in Dumbarton, company number SC714077, one of 14 installation companies (insulation, lifts, shutters and similar) in Dumbarton. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £11K (+59.2%) on the year before, to £30K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £42K against £14K owed within a year: 3.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £30K | £42K | £14K | 1 | |
| 30 Nov 2024 | £19K | £30K | £15K | 1 | |
| 30 Nov 2023 | £9,305 | £14K | £9,395 | 1 | |
| 30 Nov 2022 | £12K | £21K | £9,405 | 1 |
Where Jamestown Engineering Ltd is registered
The registered office is in Dumbarton (G82), in the West Dunbartonshire local authority area, Scotland. Show G82 4DR on a map.
Other trade companies in G82
- Mintedcs LtdRoofers
- RT Electrical Services Scotland LtdElectricians
- Central Heating Scotland LtdPlumbers and heating engineers
- Carberry R.H LtdMachinery repair and installation
- RGM Window Cleaning LimitedCleaning companies
- Maxwell's Air Conditioning LtdPlumbers and heating engineers
- Plasterforce LtdPlasterers
- NCL Engineering LtdCivil engineering
What happens if Jamestown Engineering Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- SC714077
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 November 2021 (4 years ago)
- Registered office
- 6 Firthview Terrace, Bruce Hill, Dumbarton, G82 4DR
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 2 November 2025
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Dumbarton
Other active installation companies (insulation, lifts, shutters and similar) registered in Dumbarton.
- KM Signalling Maintenance Ltd2025
- Lomond Contracting Ltd2024
- Mathieson Group Limited2025
- Nonhebel Enterprises Ltd.2004
- RT Property Services Scotland Ltd2026
- SD Garage Doors Limited2017
- Acaal Ltd2023
- Algas Air Compressors & Maintenance Limited2022
All installation companies (insulation, lifts, shutters and similar) in Dumbarton · All trades in Dumbarton · Installers across the UK
Frequently asked questions
When are Jamestown Engineering Ltd's accounts due?
Jamestown Engineering Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Jamestown Engineering Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Jamestown Engineering Ltd still trading?
Jamestown Engineering Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Jamestown Engineering Ltd do?
Jamestown Engineering Ltd is registered under Other construction installation (SIC 43290).
How old is Jamestown Engineering Ltd?
Jamestown Engineering Ltd was incorporated on 3 November 2021, 4 years ago.
What is the penalty if Jamestown Engineering Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Jamestown Engineering Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.