- Companies
- Civil engineering
- Stornoway
- Dmmsy Construction Limited
Dmmsy Construction Limited
- Company number
- SC773778
- Incorporated
- 26 Jun 20233 years trading
- Registered office
- 26 Lewis Street, Stornoway, Isle Of Lewis, HS1 2JF
- Nature of business
- Construction of other civil engineering projects n.e.c.
Dmmsy Construction Limited is a 3-year-old private limited company registered in Stornoway, company number SC773778, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 down £1,038 on the year before, to -£977.
- Current assets of £10K against £11K owed within a year: 0.9 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£977 | £10K | £11K | 0 | |
| 30 Jun 2024 | £61 | £26K | £26K | 0 |
Where Dmmsy Construction Limited is registered
The registered office is in Stornoway (HS1), in the Na h-Eileanan Siar local authority area, Scotland. Show HS1 2JF on a map.
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Also registered at this address
15 other companies use the same registered office as Dmmsy Construction Limited.
- A Macdougall Contracting LimitedBuilders
- Alex Murray (Construction) LimitedBuilders
- Angus Mackay & Sons LtdCivil engineering
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- Norman Mackenzie Kitchens & Bathrooms LtdInstallers
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What happens if Dmmsy Construction Limited 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- SC773778
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 June 2023 (3 years ago)
- Registered office
- 26 Lewis Street, Stornoway, Isle Of Lewis, HS1 2JF
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 25 June 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Stornoway
Other active civil engineering contractors registered in Stornoway.
All civil engineering contractors in Stornoway · All trades in Stornoway · Civil engineering across the UK
Frequently asked questions
When are Dmmsy Construction Limited's accounts due?
Dmmsy Construction Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Dmmsy Construction Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Dmmsy Construction Limited still trading?
Dmmsy Construction Limited 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 Dmmsy Construction Limited do?
Dmmsy Construction Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Dmmsy Construction Limited?
Dmmsy Construction Limited was incorporated on 26 June 2023, 3 years ago.
What is the penalty if Dmmsy Construction Limited 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 Dmmsy Construction Limited 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.